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Jain R, Panwar NL, Chitranjan Agarwal, Guta T. A comprehensive review on unleashing the power of hydrogen: revolutionizing energy systems for a sustainable future. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024:10.1007/s11356-024-33541-1. [PMID: 38703313 DOI: 10.1007/s11356-024-33541-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/23/2023] [Accepted: 04/28/2024] [Indexed: 05/06/2024]
Abstract
Population growth and environmental degradation are major concerns for sustainable development worldwide. Hydrogen is a clean and eco-friendly alternative to fossil fuels, with a heating value almost three times higher than other fossil fuels. It also has a clean production process, which helps to reduce the emission of hazardous pollutants and save the environment. Among the various production methodologies described in this review, biochemical production of hydrogen is considered more suitable as it uses waste organic matter instead of fossil fuels. This technology not only produces clean energy but also helps to manage waste more efficiently. However, the production of hydrogen obtained from this method is currently more expensive due to its early stage of development. Nevertheless, various research projects are underway to develop this method on a commercial scale.
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Affiliation(s)
- Rupal Jain
- Department of Renewable Energy Engineering, Maharana Pratap University of Agriculture and Technology, Udaipur, Rajasthan, 313001, India
| | - Narayan Lal Panwar
- Department of Renewable Energy Engineering, Maharana Pratap University of Agriculture and Technology, Udaipur, Rajasthan, 313001, India.
| | - Chitranjan Agarwal
- Department of Mechanical Engineering, Maharana Pratap University of Agriculture and Technology, Udaipur, Rajasthan, 313001, India
| | - Trilok Guta
- Department of Civil Engineering, Maharana Pratap University of Agriculture and Technology, Udaipur, Rajasthan, 313001, India
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2
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Ezhumalai G, Arun M, Manavalan A, Rajkumar R, Heese K. A Holistic Approach to Circular Bioeconomy Through the Sustainable Utilization of Microalgal Biomass for Biofuel and Other Value-Added Products. MICROBIAL ECOLOGY 2024; 87:61. [PMID: 38662080 PMCID: PMC11045622 DOI: 10.1007/s00248-024-02376-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/25/2023] [Accepted: 04/03/2024] [Indexed: 04/26/2024]
Abstract
Emissions from transportation and industry primarily cause global warming, leading to floods, glacier melt, and rising seas. Widespread greenhouse gas emissions and resulting global warming pose significant risks to the environment, economy, and society. The need for alternative fuels drives the development of third-generation feedstocks: microalgae, seaweed, and cyanobacteria. These microalgae offer traits like rapid growth, high lipid content, non-competition with human food, and growth on non-arable land using brackish or waste water, making them promising for biofuel. These unique phototrophic organisms use sunlight, water, and carbon dioxide (CO2) to produce biofuels, biochemicals, and more. This review delves into the realm of microalgal biofuels, exploring contemporary methodologies employed for lipid extraction, significant value-added products, and the challenges inherent in their commercial-scale production. While the cost of microalgae bioproducts remains high, utilizing wastewater nutrients for cultivation could substantially cut production costs. Furthermore, this review summarizes the significance of biocircular economy approaches, which encompass the utilization of microalgal biomass as a feed supplement and biofertilizer, and biosorption of heavy metals and dyes. Besides, the discussion extends to the in-depth analysis and future prospects on the commercial potential of biofuel within the context of sustainable development. An economically efficient microalgae biorefinery should prioritize affordable nutrient inputs, efficient harvesting techniques, and the generation of valuable by-products.
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Affiliation(s)
- Ganesan Ezhumalai
- Department of Environmental Sciences, School of Life Sciences, Bharathiar University, Coimbatore, Tamil Nadu, 641046, India
| | - Muthukrishnan Arun
- Department of Biotechnology, School of Life Sciences, Bharathiar University, Coimbatore, Tamil Nadu, 641046, India
| | - Arulmani Manavalan
- Department of Cariology, Saveetha Dental College and Hospitals, Saveetha Institute of Medical and Technical Sciences, Chennai, Tamil Nadu, 600077, India
| | - Renganathan Rajkumar
- Department of Environmental Sciences, School of Life Sciences, Bharathiar University, Coimbatore, Tamil Nadu, 641046, India.
| | - Klaus Heese
- Graduate School of Biomedical Science and Engineering, Hanyang University, 222 Wangsimni-ro, Seongdong-gu, Seoul, 133791, Republic of Korea.
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3
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Mukherjee PK, Das B, Bhardwaj PK, Tampha S, Singh HK, Chanu LD, Sharma N, Devi SI. Socio-economic sustainability with circular economy - An alternative approach. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 904:166630. [PMID: 37643712 DOI: 10.1016/j.scitotenv.2023.166630] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/21/2023] [Revised: 08/25/2023] [Accepted: 08/25/2023] [Indexed: 08/31/2023]
Abstract
As the global population and living standards rise, it pushes the demand for basic amenities like food, health, and energy resources. Additionally, manufacturing automation has led to mass production and consumption, triggering waste production. The existing linear economy approach has led to increasing waste production and resource depletion, posing significant environmental and public health threats. To overcome these impediments, an alternative model called the circular economy concept has gained popularity in the global industry community. This closed-loop, restorative, waste-free concept has the potential to protect the environment and improve economics by reducing energy and resource consumption. Thus, major impetus should be given to strengthening the backbone of the economy where tools such as green technologies, decarbonization strategies, bio refinery processes, material flow analysis, life cycle assessment, ecological footprints (water, carbon, and material), substance flow analysis, circularity index, eco-designing, bioresource management, new business models, and policy play an essential role in the areas of socio-economic sustainability, ecological facts, and industrial aspects to enhance socio-economic growth in a sustainable manner. Sectoral awareness, collaborations, and partnerships among the Government, stakeholders, policymakers, and competent authorities are also essential to enabling circularity within the eco-systems.
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Affiliation(s)
- Pulok Kumar Mukherjee
- Institute of Bioresources and Sustainable Development (Under Department of Biotechnology, Government of India), Imphal 795001, Manipur, India.
| | - Bhaskar Das
- Institute of Bioresources and Sustainable Development (Under Department of Biotechnology, Government of India), Imphal 795001, Manipur, India
| | - Pardeep K Bhardwaj
- Institute of Bioresources and Sustainable Development (Under Department of Biotechnology, Government of India), Imphal 795001, Manipur, India
| | - Soibam Tampha
- Institute of Bioresources and Sustainable Development (Under Department of Biotechnology, Government of India), Imphal 795001, Manipur, India
| | - Huidrom Khelemba Singh
- Institute of Bioresources and Sustainable Development (Under Department of Biotechnology, Government of India), Imphal 795001, Manipur, India
| | - Leimapokpam Demi Chanu
- Institute of Bioresources and Sustainable Development (Under Department of Biotechnology, Government of India), Imphal 795001, Manipur, India
| | - Nanaocha Sharma
- Institute of Bioresources and Sustainable Development (Under Department of Biotechnology, Government of India), Imphal 795001, Manipur, India
| | - Sarangthem Indira Devi
- Institute of Bioresources and Sustainable Development (Under Department of Biotechnology, Government of India), Imphal 795001, Manipur, India
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4
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Singh S, Singh L, Kumar V, Ali W, Ramamurthy PC, Singh Dhanjal D, Sivaram N, Angurana R, Singh J, Chandra Pandey V, Khan NA. Algae-based approaches for Holistic wastewater management: A low-cost paradigm. CHEMOSPHERE 2023; 345:140470. [PMID: 37858768 DOI: 10.1016/j.chemosphere.2023.140470] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/23/2023] [Revised: 07/22/2023] [Accepted: 10/15/2023] [Indexed: 10/21/2023]
Abstract
Aquatic algal communities demonstrated their appeal for diverse industrial applications due to their vast availability, ease of harvest, lower production costs, and ability to biosynthesize valuable molecules. Algal biomass is promising because it can multiply in water and on land. Integrated algal systems have a significant advantage in wastewater treatment due to their ability to use phosphorus and nitrogen, simultaneously accumulating heavy metals and toxic substances. Several species of microalgae have adapted to thrive in these harsh environmental circumstances. The potential of algal communities contributes to achieving the United Nations' sustainable development goals in improving aquaculture, combating climate change, reducing carbon dioxide (CO2) emissions, and providing biomass as a biofuel feedstock. Algal-based biomass processing technology facilitates the development of a circular bio-economy that is both commercially and ecologically viable. An integrated bio-refinery process featuring zero waste discharge could be a sustainable solution. In the current review, we will highlight wastewater management by algal species. In addition, designing and optimizing algal bioreactors for wastewater treatment have also been incorporated.
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Affiliation(s)
- Simranjeet Singh
- Interdisciplinary Centre for Water Research (ICWaR), Indian Institute of Science, Bengaluru, Karnataka, 560012, India
| | - Lav Singh
- Department of Botany, University of Lucknow, Uttar Pradesh, India
| | - Vijay Kumar
- Department of Chemistry, CCRAS-CARI, Jhansi, U.P., 284003, India
| | - Wahid Ali
- Department of Chemical Engineering Technology, College of Applied Industrial Technology (CAIT), Jazan University, Kingdom of Saudi Arabia
| | - Praveen C Ramamurthy
- Interdisciplinary Centre for Water Research (ICWaR), Indian Institute of Science, Bengaluru, Karnataka, 560012, India.
| | - Daljeet Singh Dhanjal
- Department of Biotechnology, Lovely Professional University, Jalandhar, Punjab, 144111, India
| | - Nikhita Sivaram
- Department of Civil, Construction and Environmental Engineering, North Carolina State University, USA
| | - Ruby Angurana
- Department of Biotechnology, Lovely Professional University, Jalandhar, Punjab, 144111, India
| | - Joginder Singh
- Department of Biotechnology, Lovely Professional University, Jalandhar, Punjab, 144111, India; Department of Botany, Nagaland University, Lumami, Nagaland 798627, India
| | - Vimal Chandra Pandey
- CSIR-National Botanical Research Institute Lucknow, 226001, Uttar Pradesh, India.
| | - Nadeem A Khan
- Interdisciplinary Research Centre for Membranes and Water Security, King Fahd University of Petroleum and Minerals, Dhahran, 31261, Saudi Arabia.
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Chaos-Hernández D, Reynel-Ávila HE, Bonilla-Petriciolet A, Villalobos-Delgado FJ. Extraction methods of algae oils for the production of third generation biofuels - A review. CHEMOSPHERE 2023; 341:139856. [PMID: 37598949 DOI: 10.1016/j.chemosphere.2023.139856] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/27/2023] [Revised: 06/19/2023] [Accepted: 08/15/2023] [Indexed: 08/22/2023]
Abstract
Microalgae are the main source of third-generation biofuels because they have a lipid content of 20-70%, can be abundantly produced and do not compete in the food market besides other benefits. Biofuel production from microalgae is a promising option to contribute for the resolution of the eminent crisis of fossil energy and environmental pollution specially in the transporting sector. The choice of lipid extraction method is of relevance and associated to the algae morphology (i.e., rigid cells). Therefore, it is essential to develop suitable extraction technologies for economically viable and environment-friendly lipid recovery processes with the aim of achieving a commercial production of biofuels from this biomass. This review presents an exhaustive analysis and discussion of different methods and processes of lipid extraction from microalgae for the subsequent conversion to biodiesel. Physical methods based on the use of supercritical fluids, ultrasound and microwaves were reviewed. Chemical methods using solvents with different polarities, aside from mechanical techniques such as mechanical pressure and enzymatic methods, were also analyzed. The advantages, drawbacks, challenges and future prospects of lipid extraction methods from microalgae have been summarized to provide a wide panorama of this relevant topic for the production of economic and sustainable energy worldwide.
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Affiliation(s)
- D Chaos-Hernández
- Instituto Tecnológico de Aguascalientes, Av. Adolfo López Mateos #1801, Aguascalientes, Ags., C.P. 20256, Mexico
| | - H E Reynel-Ávila
- Instituto Tecnológico de Aguascalientes, Av. Adolfo López Mateos #1801, Aguascalientes, Ags., C.P. 20256, Mexico; CONACYT, Av. Insurgentes 1582 Sur, Ciudad de México, 03940, Aguascalientes, Ags, Mexico.
| | - A Bonilla-Petriciolet
- Instituto Tecnológico de Aguascalientes, Av. Adolfo López Mateos #1801, Aguascalientes, Ags., C.P. 20256, Mexico
| | - F J Villalobos-Delgado
- Instituto Tecnológico de Aguascalientes, Av. Adolfo López Mateos #1801, Aguascalientes, Ags., C.P. 20256, Mexico
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Cheirsilp B, Maneechote W, Srinuanpan S, Angelidaki I. Microalgae as tools for bio-circular-green economy: Zero-waste approaches for sustainable production and biorefineries of microalgal biomass. BIORESOURCE TECHNOLOGY 2023; 387:129620. [PMID: 37544540 DOI: 10.1016/j.biortech.2023.129620] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/25/2023] [Revised: 07/31/2023] [Accepted: 08/01/2023] [Indexed: 08/08/2023]
Abstract
Microalgae are promising organisms that are rapidly gaining much attention due to their numerous advantages and applications, especially in biorefineries for various bioenergy and biochemicals. This review focuses on the microalgae contributions to Bio-Circular-Green (BCG) economy, in which zero-waste approaches for sustainable production and biorefineries of microalgal biomass are introduced and their possible integration is discussed. Firstly, overviews of wastewater upcycling and greenhouse gas capture by microalgae are given. Then, a variety of valuable products from microalgal biomass, e.g., pigments, vitamins, proteins/peptides, carbohydrates, lipids, polyunsaturated fatty acids, and exopolysaccharides, are summarized to emphasize their biorefinery potential. Techno-economic and environmental analyses have been used to evaluate sustainability of microalgal biomass production systems. Finally, key issues, future perspectives, and challenges for zero-waste microalgal biorefineries, e.g., cost-effective techniques and innovative integrations with other viable processes, are discussed. These strategies not only make microalgae-based industries commercially feasible and sustainable but also reduce environmental impacts.
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Affiliation(s)
- Benjamas Cheirsilp
- Program of Biotechnology, Center of Excellence in Innovative Biotechnology for Sustainable Utilization of Bioresources, Faculty of Agro-Industry, Prince of Songkla University, Hat Yai, Songkhla 90110, Thailand.
| | - Wageeporn Maneechote
- Program of Biotechnology, Center of Excellence in Innovative Biotechnology for Sustainable Utilization of Bioresources, Faculty of Agro-Industry, Prince of Songkla University, Hat Yai, Songkhla 90110, Thailand
| | - Sirasit Srinuanpan
- Department of Biology, Faculty of Science, Chiang Mai University, Chiang Mai 50200, Thailand; Center of Excellence in Microbial Diversity and Sustainable Utilization, Chiang Mai University, Chiang Mai 50200, Thailand; Chiang Mai Research Group for Carbon Capture and Storage, Chiang Mai University, Chiang Mai 50200, Thailand; Center of Excellence in Materials Science and Technology, Chiang Mai University, Chiang Mai 50200, Thailand
| | - Irini Angelidaki
- Program of Biotechnology, Center of Excellence in Innovative Biotechnology for Sustainable Utilization of Bioresources, Faculty of Agro-Industry, Prince of Songkla University, Hat Yai, Songkhla 90110, Thailand; Department of Chemical and Biochemical Engineering, Technical University of Denmark, Kgs Lyngby DK-2800, Denmark
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7
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Wu G, Tham PE, Chew KW, Munawaroh HSH, Tan IS, Wan-Mohtar WAAQI, Sriariyanun M, Show PL. Net zero emission in circular bioeconomy from microalgae biochar production: A renewed possibility. BIORESOURCE TECHNOLOGY 2023; 388:129748. [PMID: 37714493 DOI: 10.1016/j.biortech.2023.129748] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Revised: 08/09/2023] [Accepted: 09/06/2023] [Indexed: 09/17/2023]
Abstract
The rapid expansion of industrialization and continuous population growth have caused a steady increase in energy consumption. Despite using renewable energy, such as bioethanol, to replace fossil fuels had been strongly promoted, however the outcomes were underwhelming, resulting in excessive greenhouse gases (GHG) emissions. Microalgal biochar, as a carbon-rich material produced from the pyrolysis of biomass, provides a promising solution for achieving net zero emission. By utilizing microalgal biochar, these GHG emissions can be captured and stored efficiently. It also enhances soil fertility, improves water retention, and conduct bioremediation in agriculture and environmental remediation field. Moreover, incorporating microalgal biochar into a zero-waste biorefinery could boost the employ of biomass feedstocks effectively to produce valuable bioproducts while minimizing waste. This contributes to sustainability and aligns with the concepts of a circular bioeconomy. In addition, some challenges like commercialization and standardization will be addressed in the future.
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Affiliation(s)
- Guowei Wu
- Department of Chemical and Environmental Engineering, Faculty of Science and Engineering, University of Nottingham Malaysia, Jalan Broga, Semenyih 43500, Malaysia
| | - Pei En Tham
- Department of Chemical and Environmental Engineering, Faculty of Science and Engineering, University of Nottingham Malaysia, Jalan Broga, Semenyih 43500, Malaysia
| | - Kit Wayne Chew
- School of Chemistry, Chemical Engineering and Biotechnology, Nanyang Technological University, 62 Nanyang Drive, Singapore 637459, Singapore
| | - Heli Siti Halimatul Munawaroh
- Study Program of Chemistry, Faculty of Mathematics and Science Education, Universitas Pendidikan Indonesia, Jalan Dr. Setiabudi 229, Bandung 40154, Indonesia
| | - Inn Shi Tan
- Department of Chemical and Energy Engineering, Faculty of Engineering and Science, Curtin University Malaysia, CDT 250, Miri, Sarawak 98009, Malaysia
| | - Wan Abd Al Qadr Imad Wan-Mohtar
- Functional Omics and Bioprocess Development Laboratory, Institute of Biological Sciences, Faculty of Science, Universiti Malaya, Kuala Lumpur 50603, Malaysia
| | - Malinee Sriariyanun
- Biorefinery and Process Automation Engineering Center, Department of Chemical and Process Engineering, The Sirindhorn International Thai-German Graduate School of Engineering, King Mongkut's University of Technology North Bangkok, Bangkok 10800, Thailand
| | - Pau Loke Show
- Department of Chemical and Environmental Engineering, Faculty of Science and Engineering, University of Nottingham Malaysia, Jalan Broga, Semenyih 43500, Malaysia; Department of Chemical Engineering, Khalifa University, Shakhbout Bin Sultan St - Zone 1, Abu Dhabi, United Arab Emirates.
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Ersahin ME, Cicekalan B, Cengiz AI, Zhang X, Ozgun H. Nutrient recovery from municipal solid waste leachate in the scope of circular economy: Recent developments and future perspectives. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2023; 335:117518. [PMID: 36841005 DOI: 10.1016/j.jenvman.2023.117518] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/21/2022] [Revised: 02/11/2023] [Accepted: 02/12/2023] [Indexed: 06/18/2023]
Abstract
Holistically considering the current situation of the commercial synthetic fertilizer (CSF) market, recent global developments, and future projection studies, dependency on CSFs in agricultural production born significant risks, especially to the food security of foreign-dependent countries. The foreign dependency of countries in terms of CSFs can be reduced by the concepts such as the circular economy and resource recovery. Recently, waste streams are considered as a source in order to produce recovery-based fertilizers (RBF). RBFs produced from different waste streams can be substituted with CSFs as input for agricultural applications. Municipal solid waste leachate (MSWL) is one of the waste streams that have a high potential for RBF production. Distribution of the published papers over the years shows that this potential was noticed by more researchers in the millennium. MSWL contains a remarkable amount of nitrogen and phosphorus which are the main nutrients required for agricultural production. These nutrients can be recovered with many different methods such as microalgae cultivation, chemical precipitation, ammonia stripping, membrane separation, etc. MSWL can be generated within the different phases of municipal solid waste (MSW) management. Although it is mainly composed of landfill leachate (LL), composting plant leachate (CPL), incineration plant leachate (IPL), and transfer station leachate (TSL) should be considered as potential sources to produce RBF. This study compiles studies conducted on MSWL from the perspective of nitrogen and phosphorus recovery. Moreover, recent developments and limitations of the subject were extensively discussed and future perspectives were introduced by considering the entire MSW management. Investigated studies in this review showed that the potential of MSWL to produce RBF is significant. The outcomes of this paper will serve the countries for ensuring their food security by implementing the resource recovery concept to produce RBF. Thus, the risks born with the recent global developments could be overcome in this way besides the positive environmental outcomes of resource recovery.
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Affiliation(s)
- Mustafa Evren Ersahin
- Istanbul Technical University, Civil Engineering Faculty, Environmental Engineering Department, Ayazaga Campus, Maslak, 34469, Istanbul, Turkey; National Research Center on Membrane Technologies, Istanbul Technical University, Ayazaga Campus, Maslak, 34469, Istanbul, Turkey.
| | - Busra Cicekalan
- Istanbul Technical University, Civil Engineering Faculty, Environmental Engineering Department, Ayazaga Campus, Maslak, 34469, Istanbul, Turkey
| | - Ali Izzet Cengiz
- Istanbul Technical University, Civil Engineering Faculty, Environmental Engineering Department, Ayazaga Campus, Maslak, 34469, Istanbul, Turkey
| | - Xuedong Zhang
- Jiangsu Key Laboratory of Anaerobic Biotechnology, School of Environmental and Civil Engineering, Jiangnan University, Wuxi, 214122, China
| | - Hale Ozgun
- Istanbul Technical University, Civil Engineering Faculty, Environmental Engineering Department, Ayazaga Campus, Maslak, 34469, Istanbul, Turkey; National Research Center on Membrane Technologies, Istanbul Technical University, Ayazaga Campus, Maslak, 34469, Istanbul, Turkey
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De Bhowmick G, Guieysse B, Everett DW, Reis MG, Thum C. Novel source of microalgal lipids for infant formula. Trends Food Sci Technol 2023. [DOI: 10.1016/j.tifs.2023.03.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/17/2023]
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10
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Fu W, Cui Z, Guo J, Cui X, Han G, Zhu Y, Hu J, Gao X, Li Y, Xu M, Fu A, Wang F. Immunophilin CYN28 is required for accumulation of photosystem II and thylakoid FtsH protease in Chlamydomonas. PLANT PHYSIOLOGY 2023; 191:1002-1016. [PMID: 36417279 PMCID: PMC9922407 DOI: 10.1093/plphys/kiac524] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/07/2022] [Accepted: 11/17/2022] [Indexed: 06/16/2023]
Abstract
Excess light causes severe photodamage to photosystem II (PSII) where the primary charge separation for electron transfer takes place. Dissection of mechanisms underlying the PSII maintenance and repair cycle in green algae promotes the usage of genetic engineering and synthetic biology to improve photosynthesis and biomass production. In this study, we systematically analyzed the high light (HL) responsive immunophilin genes in Chlamydomonas (Chlamydomonas reinhardtii) and identified one chloroplast lumen-localized immunophilin, CYN28, as an essential player in HL tolerance. Lack of CYN28 caused HL hypersensitivity, severely reduced accumulation of PSII supercomplexes and compromised PSII repair in cyn28. The thylakoid FtsH (filamentation temperature-sensitive H) is an essential AAA family metalloprotease involved in the degradation of photodamaged D1 during the PSII repair cycle and was identified as one potential target of CYN28. In the cyn28 mutant, the thylakoid FtsH undergoes inefficient turnover under HL conditions. The CYN28-FtsH1/2 interaction relies on the FtsH N-terminal proline residues and is strengthened particularly under HL. Further analyses demonstrated CYN28 displays peptidyl-prolyl isomerase (PPIase) activity, which is necessary for its physiological function. Taken together, we propose that immunophilin CYN28 participates in PSII maintenance and regulates the homeostasis of FtsH under HL stress via its PPIase activity.
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Affiliation(s)
- Weihan Fu
- Chinese Education Ministry's Key Laboratory of Western Resources and Modern Biotechnology, Key Laboratory of Biotechnology Shaanxi Province, College of Life Sciences, Northwest University, Xi’an, China
| | - Zheng Cui
- Chinese Education Ministry's Key Laboratory of Western Resources and Modern Biotechnology, Key Laboratory of Biotechnology Shaanxi Province, College of Life Sciences, Northwest University, Xi’an, China
| | - Jia Guo
- Chinese Education Ministry's Key Laboratory of Western Resources and Modern Biotechnology, Key Laboratory of Biotechnology Shaanxi Province, College of Life Sciences, Northwest University, Xi’an, China
| | - Xiayu Cui
- Chinese Education Ministry's Key Laboratory of Western Resources and Modern Biotechnology, Key Laboratory of Biotechnology Shaanxi Province, College of Life Sciences, Northwest University, Xi’an, China
| | - Guomao Han
- Chinese Education Ministry's Key Laboratory of Western Resources and Modern Biotechnology, Key Laboratory of Biotechnology Shaanxi Province, College of Life Sciences, Northwest University, Xi’an, China
| | - Yunpeng Zhu
- Chinese Education Ministry's Key Laboratory of Western Resources and Modern Biotechnology, Key Laboratory of Biotechnology Shaanxi Province, College of Life Sciences, Northwest University, Xi’an, China
| | - Jinju Hu
- Chinese Education Ministry's Key Laboratory of Western Resources and Modern Biotechnology, Key Laboratory of Biotechnology Shaanxi Province, College of Life Sciences, Northwest University, Xi’an, China
| | - Xiaoling Gao
- Chinese Education Ministry's Key Laboratory of Western Resources and Modern Biotechnology, Key Laboratory of Biotechnology Shaanxi Province, College of Life Sciences, Northwest University, Xi’an, China
| | - Yeqing Li
- Chinese Education Ministry's Key Laboratory of Western Resources and Modern Biotechnology, Key Laboratory of Biotechnology Shaanxi Province, College of Life Sciences, Northwest University, Xi’an, China
| | - Min Xu
- Chinese Education Ministry's Key Laboratory of Western Resources and Modern Biotechnology, Key Laboratory of Biotechnology Shaanxi Province, College of Life Sciences, Northwest University, Xi’an, China
| | - Aigen Fu
- Chinese Education Ministry's Key Laboratory of Western Resources and Modern Biotechnology, Key Laboratory of Biotechnology Shaanxi Province, College of Life Sciences, Northwest University, Xi’an, China
| | - Fei Wang
- Chinese Education Ministry's Key Laboratory of Western Resources and Modern Biotechnology, Key Laboratory of Biotechnology Shaanxi Province, College of Life Sciences, Northwest University, Xi’an, China
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Kapoor A, Krishnamoorthy N, Pathy A, Balasubramanian P. Chemometric analysis unravelling the effect of key influencing factors on algal biochar yield. ALGAL RES 2023. [DOI: 10.1016/j.algal.2022.102908] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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12
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Ubando AT, Chen WH, Hurt DA, Conversion A, Rajendran S, Lin SL. Biohydrogen in a circular bioeconomy: A critical review. BIORESOURCE TECHNOLOGY 2022; 366:128168. [PMID: 36283666 DOI: 10.1016/j.biortech.2022.128168] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/13/2022] [Revised: 10/14/2022] [Accepted: 10/17/2022] [Indexed: 06/16/2023]
Abstract
Hydrogen produced from biomass feedstocks is considered an effective solution in moving toward a decarbonized economy. Biohydrogen is a clean energy source that has gained global attention for adoption as it promises to mitigate climate change and human environmental damage. Through the circular economy framework, sustainable biohydrogen production with other bioproducts while addressing issues such as waste management is possible. This study presents a comprehensive review of the various biomass feedstocks and processing technologies associated with biohydrogen generation, as well as the possible integration of existing industries into a circular bioeconomy framework. The currently standing challenges and future perspectives are also discussed.
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Affiliation(s)
- Aristotle T Ubando
- Department of Mechanical Engineering, De La Salle University, 2401 Taft Avenue, 0922 Manila, Philippines; Thermomechanical Laboratory, De La Salle University, Laguna Campus, LTI Spine Road, Laguna Blvd, Biñan, Laguna 4024, Philippines; Center for Engineering and Sustainable Development Research, De La Salle University, 2401 Taft Avenue, 0922 Manila, Philippines
| | - Wei-Hsin Chen
- Department of Aeronautics and Astronautics, National Cheng Kung University, Tainan 701, Taiwan; Research Center for Smart Sustainable Circular Economy, Tunghai University, Taichung 407, Taiwan; Department of Mechanical Engineering, National Chin-Yi University of Technology, Taichung, 411, Taiwan.
| | - Dennis A Hurt
- Department of Mechanical Engineering, De La Salle University, 2401 Taft Avenue, 0922 Manila, Philippines
| | - Ariel Conversion
- Department of Mechanical Engineering, De La Salle University, 2401 Taft Avenue, 0922 Manila, Philippines; Thermomechanical Laboratory, De La Salle University, Laguna Campus, LTI Spine Road, Laguna Blvd, Biñan, Laguna 4024, Philippines
| | - Saravanan Rajendran
- Departamento de Ingeniería Mecánica, Facultad de Ingeniería, Universidad de Tarapacá, Avda. General Velásquez 1775, Arica, Chile
| | - Sheng-Lun Lin
- School of Mechanical Engineering, Beijing Institute of Technology, Beijing 100081, China
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13
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Viswanathan K, Huang JM, Tsai TH, Chang JS, Wu W. Exploration of algal biorefinery frameworks: Optimization, quantification of environmental impacts and economics. ALGAL RES 2022. [DOI: 10.1016/j.algal.2022.102903] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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14
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Yadav K, Vasistha S, Nawkarkar P, Kumar S, Rai MP. Algal biorefinery culminating multiple value-added products: recent advances, emerging trends, opportunities, and challenges. 3 Biotech 2022; 12:244. [PMID: 36033914 PMCID: PMC9402873 DOI: 10.1007/s13205-022-03288-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2022] [Accepted: 07/29/2022] [Indexed: 11/01/2022] Open
Abstract
Algal biorefinery is rising as a prominent solution to economically fulfill the escalating global requirement for nutrition, feed, fuel, and medicines. In recent years, scientific productiveness associated with microalgae-based studies has elaborated in multiplied aspects, while translation to the commercial level continues to be missing. The present microalgal biorefinery has a challenge in long-term viability due to escalated market price of algal-mediated biofuels and bioproducts. Advancements are required in a few aspects like improvement in algae processing, energy investment, and cost analysis of microalgae biorefinery. Therefore, it is essential to recognize the modern work by understanding the knowledge gaps and hotspots driving business scale up. The microalgae biorefinery integrated with energy-based products, bioactive and green compounds, focusing on a circular bioeconomy, is urgently needed. A detailed investigation of techno-economic analysis (TEA) and life cycle assessment (LCA) is important to increase the market value of algal products. This review discusses the valorization of algal biomass for the value-added application that holds a sustainable approach and cost-competitive algal biorefinery. The current industries, policies, technology transfer trends, challenges, and future economic outlook are discussed. This study is an overview through scientometric investigation attempt to describe the research development contributing to this rising field.
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Affiliation(s)
- Kushi Yadav
- Amity Institute of Biotechnology, Amity University Uttar Pradesh, Sector-125, Noida, Uttar Pradesh 201313 India
| | - Shrasti Vasistha
- Amity Institute of Biotechnology, Amity University Uttar Pradesh, Sector-125, Noida, Uttar Pradesh 201313 India
| | - Prachi Nawkarkar
- International Centre for Genetic Engineering and Biotechnology (ICGEB), New Delhi, 110067 India
| | - Shashi Kumar
- International Centre for Genetic Engineering and Biotechnology (ICGEB), New Delhi, 110067 India
| | - Monika Prakash Rai
- Amity Institute of Biotechnology, Amity University Uttar Pradesh, Sector-125, Noida, Uttar Pradesh 201313 India
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15
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Ubando AT, Anderson S Ng E, Chen WH, Culaba AB, Kwon EE. Life cycle assessment of microalgal biorefinery: A state-of-the-art review. BIORESOURCE TECHNOLOGY 2022; 360:127615. [PMID: 35840032 DOI: 10.1016/j.biortech.2022.127615] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/23/2022] [Revised: 07/06/2022] [Accepted: 07/07/2022] [Indexed: 06/15/2023]
Abstract
Microalgal biorefineries represent an opportunity to economically and environmentally justify the production of bioproducts. The generation of bioproducts within a biorefinery system must quantitatively demonstrate its viability in displacing traditional fossil-based refineries. To this end, several works have conducted life cycle analyses on microalgal biorefineries and have shown technological bottlenecks due to energy-intensive processes. This state-of-the-art review covers different studies that examined microalgal biorefineries through life cycle assessments and has identified strategic technologies for the sustainable production of microalgal biofuels through biorefineries. Different metrics were introduced to supplement life cycle assessment studies for the sustainable production of microalgal biofuel. Challenges in the comparison of various life cycle assessment studies were identified, and the future design choices for microalgal biorefineries were established.
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Affiliation(s)
- Aristotle T Ubando
- Department of Mechanical Engineering, De La Salle University, 2401 Taft Avenue, 0922 Manila, Philippines; Center for Engineering and Sustainable Development Research, De La Salle University, 2401 Taft Avenue, 0922 Manila, Philippines; Thermomechanical Laboratory, De La Salle University, Laguna Campus, LTI Spine Road, Laguna Blvd, Biñan, Laguna 4024, Philippines
| | - Earle Anderson S Ng
- Department of Mechanical Engineering, De La Salle University, 2401 Taft Avenue, 0922 Manila, Philippines
| | - Wei-Hsin Chen
- Department of Aeronautics and Astronautics, National Cheng Kung University, Tainan 701, Taiwan; Research Center for Smart Sustainable Circular Economy, Tunghai University, Taichung 407, Taiwan; Department of Mechanical Engineering, National Chin-Yi University of Technology, Taichung 411, Taiwan.
| | - Alvin B Culaba
- Department of Mechanical Engineering, De La Salle University, 2401 Taft Avenue, 0922 Manila, Philippines; Center for Engineering and Sustainable Development Research, De La Salle University, 2401 Taft Avenue, 0922 Manila, Philippines
| | - Eilhann E Kwon
- Department of Earth Resources and Environmental Engineering, Hanyang University, Seoul 04763, Republic of Korea
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16
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Behera B, Selvam S M, Paramasivan B. Research trends and market opportunities of microalgal biorefinery technologies from circular bioeconomy perspectives. BIORESOURCE TECHNOLOGY 2022; 351:127038. [PMID: 35331886 DOI: 10.1016/j.biortech.2022.127038] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/31/2022] [Revised: 03/15/2022] [Accepted: 03/17/2022] [Indexed: 05/16/2023]
Abstract
Microalgae as an alternative feedstock for sustainable bio-products have gained significant interest over years. Even though scientific productivity related to microalgae-based research has increased in recent decades, translation to industrial scale is still lacking. Therefore, it is essential to understand the current state-of-art and, identify research gaps and hotspots driving industrial scale up. The present review through scientometric analysis attempted to delineate the research evolution contributing to this emerging field. The research trends were analysed over the last decade globally highlighting the collaborative network between the countries. The comprehensive knowledge map generated confirmed microalgal biorefinery as a scientifically active field, where the present research interest is focussed on synergistically integrating the unit processes involved to make it enviro-economically feasible. Market opportunities and regulatory policy requirements along with the consensus need to adopt circular bio-economy perspectives were highlighted to facilitate real-time implementation of microalgal biorefinery.
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Affiliation(s)
- Bunushree Behera
- Agricultural & Environmental Biotechnology Group, Department of Biotechnology & Medical Engineering, National Institute of Technology Rourkela, Odisha 769008, India.
| | - Mari Selvam S
- Agricultural & Environmental Biotechnology Group, Department of Biotechnology & Medical Engineering, National Institute of Technology Rourkela, Odisha 769008, India
| | - Balasubramanian Paramasivan
- Agricultural & Environmental Biotechnology Group, Department of Biotechnology & Medical Engineering, National Institute of Technology Rourkela, Odisha 769008, India
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17
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Saleh HM, Hassan AI. Use of heterogeneous catalysis in sustainable biofuel production. PHYSICAL SCIENCES REVIEWS 2022. [DOI: 10.1515/psr-2022-0041] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Abstract
Biofuel is a sustainable energy source that may use to replace fossil-based carbon dioxide and mitigate the adverse effects of exhaust emissions. Nowadays, we need to replace petroleum fuels with alternatives from environmentally sustainable sources of increasing importance. Biofuels derived from biomass have gained considerable attention, and thus most of the traditional methods that harm the environment and humans have retreated. Developing an active and stable heterogeneous catalyst is a step of utmost importance in the renewable liquid fuel technology. Thus, there is a great interest in developing methods for producing liquid fuels from non-edible sources. It may also be from dry plant tissues such as agricultural waste. Lignocellulosic biomass can be a sustainable source for producing renewable fuels and chemicals, as well as the replacement of petroleum products. Hence, the researchers aspired to synthesize new catalysts using a cheap technology developed to hydrolyze cellulose and then produce bioethanol without needing expensive enzymes, which may ultimately lead to a lower fuel price. In this paper, we will focus on the recent technologies used to produce sustainable biofuels through inexpensive incentives and innocuous to the environment.
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Affiliation(s)
- Hosam M. Saleh
- Radioisotope Department , Nuclear Research Center, Egyptian Atomic Energy Authority , Cairo , Egypt
| | - Amal I. Hassan
- Radioisotope Department , Nuclear Research Center, Egyptian Atomic Energy Authority , Cairo , Egypt
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18
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Shah AV, Singh A, Sabyasachi Mohanty S, Kumar Srivastava V, Varjani S. Organic solid waste: Biorefinery approach as a sustainable strategy in circular bioeconomy. BIORESOURCE TECHNOLOGY 2022; 349:126835. [PMID: 35150857 DOI: 10.1016/j.biortech.2022.126835] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/03/2022] [Revised: 02/03/2022] [Accepted: 02/05/2022] [Indexed: 06/14/2023]
Abstract
Waste generation is associated with numerous environmental consequences, making it a point of discussion in the environmental arena. Efforts have been made around the world to develop a systematic management approach coupled with a sustainable treatment technology to maximize resource utilization of organic solid waste. Biorefineries and bio-based products play a critical role in lowering total emissions and supporting energy systems. However, economic viability of biorefineries, on the other hand, is a stumbling hurdle to their commercialization. This communication provides a thorough study of the concept of biorefinery in waste management, as well as technological advancements in this field. In addition, the notion of techno-economic assessment, as well as challenges and future prospects have been covered. To find the most technologically and economically viable solution, further techno-economic study to the new context is required. Overall, this communication would assist decision-makers in identifying environmentally appropriate biorefinery solutions ahead of time.
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Affiliation(s)
- Anil V Shah
- Gujarat Pollution Control Board, Gandhinagar 382 010, Gujarat, India; Sankalchand Patel Vidyadham, Sankalchand Patel University, Visnagar 384 315, Gujarat, India
| | - Aditi Singh
- Gujarat Pollution Control Board, Gandhinagar 382 010, Gujarat, India; Central University of Gujarat, Gandhinagar 382030, Gujarat, India
| | - Swayansu Sabyasachi Mohanty
- Gujarat Pollution Control Board, Gandhinagar 382 010, Gujarat, India; Central University of Gujarat, Gandhinagar 382030, Gujarat, India
| | - Vijay Kumar Srivastava
- Sankalchand Patel Vidyadham, Sankalchand Patel University, Visnagar 384 315, Gujarat, India
| | - Sunita Varjani
- Gujarat Pollution Control Board, Gandhinagar 382 010, Gujarat, India; Sankalchand Patel Vidyadham, Sankalchand Patel University, Visnagar 384 315, Gujarat, India.
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19
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Prabha S, Vijay AK, Paul RR, George B. Cyanobacterial biorefinery: Towards economic feasibility through the maximum valorization of biomass. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 814:152795. [PMID: 34979226 DOI: 10.1016/j.scitotenv.2021.152795] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/15/2021] [Revised: 12/24/2021] [Accepted: 12/27/2021] [Indexed: 06/14/2023]
Abstract
Cyanobacteria are well known for their plethora of applications in the fields of food industry, pharmaceuticals and bioenergy. Their simple growth requirements, remarkable growth rate and the ability to produce a wide range of bio-active compounds enable them to act as an efficient biorefinery for the production of valuable metabolites. Most of the cyanobacteria based biorefineries are targeting single products and thus fails to meet the efficient valorization of biomass. On the other hand, multiple products recovering cyanobacterial biorefineries can efficiently valorize the biomass with minimum to zero waste generation. But there are plenty of bottlenecks and challenges allied with cyanobacterial biorefineries. Most of them are being associated with the production processes and downstream strategies, which are difficult to manage economically. There is a need to propose new solutions to eliminate these tailbacks so on to elevate the cyanobacterial biorefinery to be an economically feasible, minimum waste generating multiproduct biorefinery. Cost-effective approaches implemented from production to downstream processing without affecting the quality of products will be beneficial for attaining economic viability. The integrated approaches in cultivation systems as well as downstream processing, by simplifying individual processes to unit operation systems can obviously increase the economic feasibility to a certain extent. Low cost approaches for biomass production, multiparameter optimization and successive sequential retrieval of multiple value-added products according to their high to low market value from a biorefinery is possible. The nanotechnological approaches in cyanobacterial biorefineries make it one step closer to the goal. The current review gives an overview of strategies used for constructing self-sustainable- economically feasible- minimum waste generating; multiple products based cyanobacterial biorefineries by the efficient valorization of biomass. Also the possibility of uplifting new cyanobacterial strains for biorefineries is discussed.
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Affiliation(s)
- Syama Prabha
- Department of Botany, CMS College (Autonomous), Kottayam 686001. Kerala, India
| | - Aravind K Vijay
- Department of Botany, CMS College (Autonomous), Kottayam 686001. Kerala, India
| | - Rony Rajan Paul
- Department of Chemistry, CMS College (Autonomous), Kottayam 686001. Kerala, India
| | - Basil George
- Department of Botany, CMS College (Autonomous), Kottayam 686001. Kerala, India.
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20
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Shah AM, Yang W, Mohamed H, Zhang Y, Song Y. Microbes: A Hidden Treasure of Polyunsaturated Fatty Acids. Front Nutr 2022; 9:827837. [PMID: 35369055 PMCID: PMC8968027 DOI: 10.3389/fnut.2022.827837] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Accepted: 02/21/2022] [Indexed: 12/26/2022] Open
Abstract
Microbes have gained a lot of attention for their potential in producing polyunsaturated fatty acids (PUFAs). PUFAs are gaining scientific interest due to their important health-promoting effects on higher organisms including humans. The current sources of PUFAs (animal and plant) have associated limitations that have led to increased interest in microbial PUFAs as most reliable alternative source. The focus is on increasing the product value of existing oleaginous microbes or discovering new microbes by implementing new biotechnological strategies in order to compete with other sources. The multidisciplinary approaches, including metabolic engineering, high-throughput screening, tapping new microbial sources, genome-mining as well as co-culturing and elicitation for the production of PUFAs, have been considered and discussed in this review. The usage of agro-industrial wastes as alternative low-cost substrates in fermentation for high-value single-cell oil production has also been discussed. Multidisciplinary approaches combined with new technologies may help to uncover new microbial PUFA sources that may have nutraceutical and biotechnological importance.
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Affiliation(s)
- Aabid Manzoor Shah
- Colin Ratledge Center of Microbial Lipids, School of Agriculture Engineering and Food Sciences, Shandong University of Technology, Zibo, China
| | - Wu Yang
- Colin Ratledge Center of Microbial Lipids, School of Agriculture Engineering and Food Sciences, Shandong University of Technology, Zibo, China
| | - Hassan Mohamed
- Colin Ratledge Center of Microbial Lipids, School of Agriculture Engineering and Food Sciences, Shandong University of Technology, Zibo, China
- Department of Botany and Microbiology, Faculty of Science, Al-Azhar University, Assiut, Egypt
| | - Yingtong Zhang
- Institute of Agricultural Facilities and Equipment, Jiangsu Academy of Agricultural Sciences, Nanjing, China
| | - Yuanda Song
- Colin Ratledge Center of Microbial Lipids, School of Agriculture Engineering and Food Sciences, Shandong University of Technology, Zibo, China
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21
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Gao K, Xue C, Yang M, Li L, Qian P, Gao Z, Gao Z, Deng X. Optimization of light intensity and photoperiod for growing Chlorella sorokiniana on cooking cocoon wastewater in a bubble-column bioreactor. ALGAL RES 2022. [DOI: 10.1016/j.algal.2021.102612] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022]
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22
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Ray A, Nayak M, Ghosh A. A review on co-culturing of microalgae: A greener strategy towards sustainable biofuels production. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 802:149765. [PMID: 34454141 DOI: 10.1016/j.scitotenv.2021.149765] [Citation(s) in RCA: 35] [Impact Index Per Article: 17.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/21/2021] [Revised: 08/15/2021] [Accepted: 08/15/2021] [Indexed: 05/27/2023]
Abstract
There is a growing global recognition that microalgae-based biofuel are environment-friendly and economically feasible options because they incur several advantages over traditional fossil fuels. Also, the microalgae can be manipulated for extraction of value-added compounds such as lipids (triacylglycerols), carbohydrates, polyunsaturated fatty acids, proteins, pigments, antioxidants, various antimicrobial compounds, etc. Recently, there is an increasing focus on the co-cultivation practices of microalgae with other microorganisms to enhance biomass and lipid productivity. In a co-cultivation strategy, microalgae grow symbiotically with other heterotrophic microbes such as bacteria, yeast, fungi, and other algae/microalgae. They exchange nutrients and metabolites; this helps to increase the productivity, therefore facilitating the commercialization of microalgal-based fuel. Co-cultivation also facilitates biomass harvesting and waste valorization, thereby help to build an algal biorefinery platform for bioenergy production along with multivariate high value bioproducts and simultaneous waste bioremediation. This article comprehensively reviews various microalgae cultivation practices utilizing co-culture approaches with other algae, fungi, bacteria, and yeast. The review mainly focuses on the impact of several binary culture strategies on biomass and lipid yield. The advantages and challenges associated with the procedure along with their respective cultivation modes have also been presented and discussed in detail.
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Affiliation(s)
- Ayusmita Ray
- P.K. Sinha Centre for Bioenergy and Renewables, Indian Institute of Technology Kharagpur, West Bengal 721302, India
| | - Manoranjan Nayak
- Biorefinery and Bioenergy Research Laboratory, Centre for Plant and Environmental Biotechnology, Amity Institute of Biotechnology, Amity University Uttar Pradesh, Noida 201313, India.
| | - Amit Ghosh
- P.K. Sinha Centre for Bioenergy and Renewables, Indian Institute of Technology Kharagpur, West Bengal 721302, India; School of Energy Science and Engineering, Indian Institute of Technology Kharagpur, West Bengal 721302, India.
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23
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Chaurasia AK, Mondal P. Enhancing biohydrogen production from sugar industry wastewater using Ni, Ni-Co and Ni-Co-P electrodeposits as cathodes in microbial electrolysis cells. CHEMOSPHERE 2022; 286:131728. [PMID: 34416586 DOI: 10.1016/j.chemosphere.2021.131728] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/09/2020] [Revised: 07/22/2021] [Accepted: 07/28/2021] [Indexed: 06/13/2023]
Abstract
Microbial electrolysis cell (MEC) can be utilized for the simultaneous treatment of actual industry wastewater and biohydrogen production. However, efficient and cost-effective cathode, working at ambient conditions and neutral pH, are required to make the MEC as a sustainable technology. In this study, MEC with electrodeposited cathodes (co-deposits of Ni, Ni-Co and Ni-Co-P) were utilized to evaluate the treatment efficiency and hydrogen recovery of sugar industry wastewater. MECs operation was carried out at 30 ± 2 °C temperature in batch mode at an applied voltage of 0.6 V in neutral pH with sugar industry effluent (COD 4850 ± 50 mg L-1, BOD 1950 ± 20 mg L-1) and activated sludge as a source of microorganism. The Ni-Co-P electrodeposit on both cases achieved the maximum H2 production rate of 0.24 ± 0.005 m3(H2) m-3 d-1 and 0.21 ± 0.005 m3(H2) m-3 d-1 with ~50 % treatment efficiency for a 500 ml effluent in 7 days' batch cycles. It was also found that fabricated cathodes can treat real wastewater efficiently with considerable energy recovery than previously reported literature. This study showed the potentiality of the real-time industrial effluents treatment and biohydrogen production near to ambient atmospheric conditions that emphasizes the waste to energy bio-electrochemical system.
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Affiliation(s)
- Amit Kumar Chaurasia
- Sustainable Processing and Water Treatment Research Laboratory, Department of Chemical Engineering, Indian Institute of Technology Roorkee, Roorkee, 247667, Uttarakhand, India
| | - Prasenjit Mondal
- Sustainable Processing and Water Treatment Research Laboratory, Department of Chemical Engineering, Indian Institute of Technology Roorkee, Roorkee, 247667, Uttarakhand, India.
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24
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LED alternating between blue and red-orange light improved the biomass and lipid productivity of Chlamydomonas reinhardtii. J Biotechnol 2021; 341:96-102. [PMID: 34537254 DOI: 10.1016/j.jbiotec.2021.09.008] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2021] [Revised: 09/04/2021] [Accepted: 09/11/2021] [Indexed: 11/22/2022]
Abstract
Light management is important for improving algae cultivation, specifically by enhancing the productivity of biomass and valued bioproducts. In this study, we present evidence that alternating blue and red-orange light can improve the algal growth kinetics and lipid production in a photobioreactor. Blue (430-445, 460-470 nm) and red-orange light (580-660 nm) from a LED were set at the light saturation point (B: 65 μmol/m2s; RO: 155 μmol/m2s) and alternated for the cultivation of the green alga Chlamydomonas reinhardtii. Growth kinetics, lipid, carbohydrate, and protein content were measured as a function of alternating illumination time. Results reveal that the first illumination light and illumination time had a significant impact on the growth kinetics and nutrient composition. When the red-orange light illumination was used at the beginning of cultivation (RO/B alternation), the biomass concentration and productivity increased 8% and 18% on average, respectively; lipid mass fraction and concentration increased 21-27% and 24-26% when 0.25-0.50 h per day of blue light illumination was used; no significant change of carbohydrate and protein content were observed. Relative to blue light alone, the improvement of growth kinetics, lipid mass fraction and concentration, and the carbohydrate concentration was significant. Under B/RO alternation (when the blue light was used first), on average, the protein content was significantly higher than RO/B alternation.
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Ha GS, Saha S, Basak B, Kurade MB, Kim GU, Ji MK, Ahn Y, Salama ES, Woong Chang S, Jeon BH. High-throughput integrated pretreatment strategies to convert high-solid loading microalgae into high-concentration biofuels. BIORESOURCE TECHNOLOGY 2021; 340:125651. [PMID: 34333346 DOI: 10.1016/j.biortech.2021.125651] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/29/2021] [Revised: 07/19/2021] [Accepted: 07/21/2021] [Indexed: 06/13/2023]
Abstract
The commercial feasibility of energy-efficient conversion of highly concentrated microalgal suspensions to produce high-titer biofuels is a major bottleneck due to high energy consumption. Herein, high-titer biofuels (bioethanol, higher-alcohols, and biodiesel) were generated from carbohydrate-rich Chlamydomonas mexicana and lipid-rich Chlamydomonas pitschmannii biomass through energy-saving microwave pretreatment, successive fermentation, and transesterification. Microwave pretreatment needed low specific energy (4.2 MJ/kg) for 100 g/L of microalgal suspension. Proposed sustainable integrated pretreatments method achieved unprecedented total conversion efficiency (67%) and highest biomass utilization (87%) of C. pitschmannii (100 g/L) with high yields of bioethanol (0.48 g-ethanol/g-carbohydrates), higher-alcohols (0.44 g-higher-alcohols/g-proteins), and biodiesel (0.90 g-biodiesel/g-lipids). Transmission electron microscopy showed the changes in the microalgal cellular integrity before and after sequential fermentations. Energy-efficient integrated pretreatments enhanced the extraction efficiency and whole utilization of high-concentration microalgae to generate high-titer biofuels with minimum waste production.
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Affiliation(s)
- Geon-Soo Ha
- Department of Earth Resources and Environmental Engineering, Hanyang University, Seoul 04763, South Korea
| | - Shouvik Saha
- Department of Earth Resources and Environmental Engineering, Hanyang University, Seoul 04763, South Korea
| | - Bikram Basak
- Department of Earth Resources and Environmental Engineering, Hanyang University, Seoul 04763, South Korea
| | - Mayur B Kurade
- Department of Earth Resources and Environmental Engineering, Hanyang University, Seoul 04763, South Korea
| | - Gyeong-Uk Kim
- Department of Earth Resources and Environmental Engineering, Hanyang University, Seoul 04763, South Korea
| | - Min-Kyu Ji
- Environmental Assessment Group, Korea Environment Institute, Yeongi-gun 30147, South Korea
| | - Yongtae Ahn
- Center for Environment, Health, and Welfare Research, Korea Institute of Science and Technology, South Korea
| | - El-Sayed Salama
- Department of Occupational and Environmental Health, School of Public Health, Lanzhou University, Lanzhou 730000, Gansu Province, PR China
| | - Soon Woong Chang
- Department of Environmental Engineering, Kyonggi University, Suwon 16627, South Korea
| | - Byong-Hun Jeon
- Department of Earth Resources and Environmental Engineering, Hanyang University, Seoul 04763, South Korea.
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26
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Ameen F, Al-Homaidan AA, Alsamhary K, Al-Enazi NM, AlNadhari S. Bioremediation of ossein effluents using the filamentous marine cyanobacterium Cylindrospermum stagnale. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2021; 284:117507. [PMID: 34261218 DOI: 10.1016/j.envpol.2021.117507] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/03/2021] [Revised: 05/21/2021] [Accepted: 05/30/2021] [Indexed: 06/13/2023]
Abstract
Wastewater containg proteinaceous ossein effluents are problematic to be treated. We studied the possibility to treat ossein effluents with the marine cyanobacterium strain Cylindrospermum stagnale. After optimizing the culture conditions of the bacterium, three different types of ossein effluents were tested: dicalcium phosphate (DCP), high total dissolved solids (HTDS) and low total dissolved (LTDS). The effluents were diluted with sea water at the following ratios 1:1, 2:1 and 3:2. The optimum operating conditions were at 3000 lux light intensity and 37 °C temperature. The highest degradation of ossein effluens by C. stagnale was attained for a dilution ratio of 1:1. However, less diluted ossein effluents reduced the growth of C. stagnale drastically. The degradation was shown by measuring the chlorophyll a content and the dry weight of bacterial cells during a seven-day incubation period degradation. Fourier Transform Infrared Spectroscopy (FT-IR) analysis verified the degradation showing the presence of the degradation products of ossein (i.e. calcium carbonate and calcite) in the culture medium. Lipid composition in fatty acids appeared to be suitable for biofuel production. The results showed that the marine cyanobacterium C. stagnale can be used to treat ossein effluents, and at the same time, to produce biofuel in a sustainable way.
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Affiliation(s)
- Fuad Ameen
- Department of Botany & Microbiology, College of Science, King Saud University, Riyadh, 11451, Saudi Arabia.
| | - Ali A Al-Homaidan
- Department of Botany & Microbiology, College of Science, King Saud University, Riyadh, 11451, Saudi Arabia
| | - Khawla Alsamhary
- Department of Biology, College of Science and Humanities in Al-Kharj, Prince Sattam Bin Abdulaziz University, Al-kharj, 11942, Saudi Arabia
| | - Nouf M Al-Enazi
- Department of Biology, College of Science and Humanities in Al-Kharj, Prince Sattam Bin Abdulaziz University, Al-kharj, 11942, Saudi Arabia
| | - Saleh AlNadhari
- Deanship of Scientific Research, King Saud University, Riyadh, 11451, Saudi Arabia
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Mona S, Malyan SK, Saini N, Deepak B, Pugazhendhi A, Kumar SS. Towards sustainable agriculture with carbon sequestration, and greenhouse gas mitigation using algal biochar. CHEMOSPHERE 2021; 275:129856. [PMID: 33636519 DOI: 10.1016/j.chemosphere.2021.129856] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/12/2020] [Revised: 12/31/2020] [Accepted: 02/02/2021] [Indexed: 05/18/2023]
Abstract
With the increase in the world's population, demand for food and other products is continuously rising. This has put a lot of pressure on the agricultural sector. To fulfill these demands, the utilization of chemical fertilizers and pesticides has also increased. Consequently, to overcome the adverse effects of agrochemicals on our environment and health, there has been a shift towards organic fertilizers or other substitutes, which are ecofriendly and help to maintain a sustainable environment. Microalgae have a very high potential of carbon dioxide (CO2) capturing and thus, help in mitigating the greenhouse effect. It is the most productive biological system for generating biomass. The high growth rate and higher photosynthetic efficiency of the algal species compared to the terrestrial plants make them a wonderful alternative towards a sustainable environment. Moreover, they could be cultivated in photobioreactors or open ponds, which in turn reduce the demand for arable land. Biochar derived from algae is high in nutrients and exhibits the property of ion exchange. Therefore, it can be utilized for sustainable agriculture by partial substituting the chemical fertilizers that degrade the fertility of the soil in the long run. This review provides a detailed insight on the properties of algal biochar as a potential fertilizer for sustainable agriculture. Application of algal biochar in bio-refinery and its economic aspects, challenges faced and future perspective are also discusses in this study.
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Affiliation(s)
- Sharma Mona
- Department of Environmental Science & Engineering, Guru Jambheshwar University of Science & Technology, Hisar, 125001, Haryana, India.
| | - Sandeep K Malyan
- Research Management and Outreach Division, National Institute of Hydrology, Jalvigyan Bhawan, Roorkee, Uttarakhand, 247667, India.
| | - Neha Saini
- Department of Environmental Science & Engineering, Guru Jambheshwar University of Science & Technology, Hisar, 125001, Haryana, India.
| | | | - Arivalagan Pugazhendhi
- Innovative Green Product Synthesis and Renewable Environment Development Research Group, Faculty of Environment and Labour Safety, Ton Duc Thang University, Ho Chi Minh City, Viet Nam.
| | - Smita S Kumar
- Department of Environmental Sciences, J.C. Bose University of Science and Technology YMCA, Faridabad, India.
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28
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Tang Z, Yuan M, Zhu H, Zeng G, Liu J, Duan J, Chen Z. Promoting the Performance of Li-CO 2 Batteries via Constructing Three-Dimensional Interconnected K + Doped MnO 2 Nanowires Networks. Front Chem 2021; 9:670612. [PMID: 33937205 PMCID: PMC8082424 DOI: 10.3389/fchem.2021.670612] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2021] [Accepted: 03/22/2021] [Indexed: 11/30/2022] Open
Abstract
Nowadays, Li–CO2 batteries have attracted enormous interests due to their high energy density for integrated energy storage and conversion devices, superiorities of capturing and converting CO2. Nevertheless, the actual application of Li–CO2 batteries is hindered attributed to excessive overpotential and poor lifespan. In the past decades, catalysts have been employed in the Li–CO2 batteries and been demonstrated to reduce the decomposition potential of the as-formed Li2CO3 during charge process with high efficiency. However, as a representative of promising catalysts, the high costs of noble metals limit the further development, which gives rise to the exploration of catalysts with high efficiency and low cost. In this work, we prepared a K+ doped MnO2 nanowires networks with three-dimensional interconnections (3D KMO NWs) catalyst through a simple hydrothermal method. The interconnected 3D nanowires network catalysts could accelerate the Li ions diffusion, CO2 transfer and the decomposition of discharge products Li2CO3. It is found that high content of K+ doping can promote the diffusion of ions, electrons and CO2 in the MnO2 air cathode, and promote the octahedral effect of MnO6, stabilize the structure of MnO2 hosts, and improve the catalytic activity of CO2. Therefore, it shows a high total discharge capacity of 9,043 mAh g−1, a low overpotential of 1.25 V, and a longer cycle performance.
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Affiliation(s)
- Zhuolin Tang
- College of Materials Science and Engineering, Changsha University of Science and Technology, Changsha, China
| | - Mengming Yuan
- College of Materials Science and Engineering, Changsha University of Science and Technology, Changsha, China
| | - Huali Zhu
- School of Physics and Electronic Science, Changsha University of Science and Technology, Changsha, China
| | - Guang Zeng
- College of Materials Science and Engineering, Changsha University of Science and Technology, Changsha, China
| | - Jun Liu
- College of Materials Science and Engineering, Changsha University of Science and Technology, Changsha, China
| | - Junfei Duan
- College of Materials Science and Engineering, Changsha University of Science and Technology, Changsha, China
| | - Zhaoyong Chen
- College of Materials Science and Engineering, Changsha University of Science and Technology, Changsha, China
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Das P, V P C, Mathimani T, Pugazhendhi A. Recent advances in thermochemical methods for the conversion of algal biomass to energy. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 766:144608. [PMID: 33421791 DOI: 10.1016/j.scitotenv.2020.144608] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/10/2020] [Revised: 12/16/2020] [Accepted: 12/17/2020] [Indexed: 06/12/2023]
Abstract
Thermochemical techniques are being operated for the complete conversion of diverse biomasses to biofuels. Among the feedstocks used for thermochemical processes, algae are the promising biomass sources owing to their advantages over other feedstocks such as biomass productivity, renewability and sustainability. Due to several advantages, algal biomass is considered as a source for third generation biofuel. This review work aims to provide a state-of-the-art on the most commonly used thermochemical methods namely torrefaction, pyrolysis, and gasification processes. Furthermore, the production of biofuels from algal biomass was comprehensively articulated. Different algal strains used in thermochemical techniques and their conditions of operation were compared and discussed. The yield and quality of solid (char), liquid (bio-oil) and gaseous (syngas) products obtained through thermochemical methods were reviewed and analysed to understand the efficacy of each technique. End product percentage, quality and advantages of the torrefaction, pyrolysis, and gasification were summarized. It is found that the biofuel produced from the torrefaction process was easy to store and deliver and had higher utilization efficiency. Among the existing thermochemical methods, the pyrolysis process was widely used for the complete conversion of algal biomass to bio-oil or char. This study also revealed that the gasification (supercritical) method was the most energy efficient process for conversion of wet algal biomass. The reactor used in the thermochemical process and its subprocess was also highlighted. This study revealed that the fixed bed reactor was suitable for small scale production whereas the fluidized bed reactor could be scaled up for industrial production. In addition to that environmental impacts of the products were also spotlighted. Finally, the perspectives and challenges of algal biomass to bioenergy conversion were addressed.
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Affiliation(s)
- Pritam Das
- Mechanical Engineering Department, National Institute of Technology Warangal, Warangal, Telangana 506004, India
| | - Chandramohan V P
- Mechanical Engineering Department, National Institute of Technology Warangal, Warangal, Telangana 506004, India.
| | - Thangavel Mathimani
- Department of Energy and Environment, National Institute of Technology Tiruchirappalli, Tiruchirappalli 620 015, Tamil Nadu, India
| | - Arivalagan Pugazhendhi
- Innovative Green Product Synthesis and Renewable Environment Development Research Group, Faculty of Environment and Labour Safety, Ton Duc Thang University, Ho Chi Minh City, Viet Nam.
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Karpagam R, Jawaharraj K, Gnanam R. Review on integrated biofuel production from microalgal biomass through the outset of transesterification route: a cascade approach for sustainable bioenergy. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 766:144236. [PMID: 33422843 DOI: 10.1016/j.scitotenv.2020.144236] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/21/2020] [Revised: 11/10/2020] [Accepted: 11/24/2020] [Indexed: 06/12/2023]
Abstract
In recent years, microalgal feedstocks have gained immense potential for sustainable biofuel production. Thermochemical, biochemical conversions and transesterification processes are employed for biofuel production. Especially, the transesterification process of lipid molecules to fatty acid alkyl esters (FAAE) is being widely employed for biodiesel production. In the case of the extractive transesterification process, biodiesel is produced from the extracted microalgal oil. Whereas In-situ (reactive) transesterification allows the direct conversion of microalgae to biodiesel avoiding the sequential steps, which subsequently reduces the production cost. Though microalgae have the highest potential to be an alternate renewable feedstock, the minimization of biofuel production cost is still a challenge. The biorefinery approaches that rely on simple cascade processes involving cost-effective technologies are the need of an hour for sustainable bioenergy production using microalgae. At the same time, combining the biorefineries for both (i) high value-low volume (food and health supplements) and (ii) low value- high volume (waste remediation, bioenergy) from microalgae involves regulatory and technical problems. Waste-remediation and algal biorefinery were extensively reviewed in many previous reports. On the other hand, this review focuses on the cascade processes for efficient utilization of microalgae for integrated bioenergy production through the transesterification. Microalgal biomass remnants after the transesterification process, comprising carbohydrates as a major component (process flow A) or the carbohydrate fraction after bio-separation of pretreated microalgae (process flow B) can be utilized for bioethanol production. Therefore, this review concentrates on the cascade flow of integrated bioprocessing methods for biodiesel and bioethanol production through the transesterification and biochemical routes. The review also sheds light on the recent combinatorial approaches of transesterification of microalgae. The applicability of spent microalgal biomass residue for biogas and other applications to bring about zero-waste residue are discussed. Furthermore, techno-economic analysis (TEA), life cycle assessment (LCA) and challenges of microalgal biorefineries are discussed.
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Affiliation(s)
- Rathinasamy Karpagam
- Department of Plant Biotechnology, Centre for Plant Molecular Biology and Biotechnology (CPMB & B), Tamil Nadu Agricultural University, Coimbatore 641003, Tamil Nadu, India.
| | - Kalimuthu Jawaharraj
- Department of Civil and Environmental Engineering, South Dakota Mines, Rapid City 57701, SD, United States
| | - Ramasamy Gnanam
- Department of Plant Molecular Biology and Bioinformatics, Centre for Plant Molecular Biology and Biotechnology (CPMB & B), Tamil Nadu Agricultural University, Coimbatore 641003, Tamil Nadu, India
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Adeleye AT, Akande AA, Odoh CK, Philip M, Fidelis TT, Amos PI, Banjoko OO. Efficient synthesis of bio-based activated carbon (AC) for catalytic systems: A green and sustainable approach. J IND ENG CHEM 2021. [DOI: 10.1016/j.jiec.2021.01.044] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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Banerjee S, Ray A, Das D. Optimization of Chlamydomonas reinhardtii cultivation with simultaneous CO 2 sequestration and biofuels production in a biorefinery framework. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 762:143080. [PMID: 33162147 DOI: 10.1016/j.scitotenv.2020.143080] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/09/2020] [Revised: 10/01/2020] [Accepted: 10/12/2020] [Indexed: 06/11/2023]
Abstract
Algal biomass is regarded as a sustainable energy feedstock for the future. Enhancement of the biomass and metabolite production of microalgae increases the economic feasibility of the biofuel production process. The present study encompasses on bioethanol production from Chlamydomonas reinhardtii through a biorefinery approach. The biomass and carbohydrate productivity of C. reinhardtii UTEX 90 and CC 2656 were enhanced by optimizing the physico-chemical parameters. The following conditions were found suitable for the improvement of biomass and metabolite content of C. reinhardtii: pH 6.5-7.0, incubation temperature 30 °C, initial acetate and ammonium chloride concentration of 1.56 g L-1 and 100-200 mg L-1, respectively. Under the optimized operational condition biomass and carbohydrate productivity of C. reinhardtii UTEX 90 and CC 2656 were 512 mg L-1 d-1 & 266.24 mg L-1 d-1 and 364 mg L-1 d -1 & 163.80 mg L-1 d-1, respectively. The amount of CO2 sequestered during the cultivation process by UTEX 90 and CC 2656 were 113 mg L-1 d-1 and 74.95 mg L-1 d-1, respectively. The depigmented and defatted carbohydrate rich biomass was considered as raw material for bioethanol production. The bioethanol yield range was 90-94% of the theoretical yield using Saccharomyces cerevisiae INVSC-1 in a double jacket reactor. To improve the viability of the process, the spent media after ethanol fermentation was subsequently used for methane production using mixed microbial consortium. The energy recovery from the process was 40.39% and 39.7% for UTEX 90 and CC 2656, respectively when C. reinhardtii biomass was used as substrate for biofuel production. The present investigation concedes with the potentiality of algae as a favourable 3rd generation feedstock to address the existing challenges of clean energy production with concomitant CO2 sequestration.
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Affiliation(s)
- Sanjukta Banerjee
- Department of Biotechnology, Indian Institute of Technology, Kharagpur 721302, India
| | - Ayusmita Ray
- P K Sinha Centre for Bioenergy and Renewables, Indian Institute of Technology, Kharagpur 721302, India
| | - Debabrata Das
- Department of Biotechnology, Indian Institute of Technology, Kharagpur 721302, India.
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33
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A Multi-Objective Life Cycle Optimization Model of an Integrated Algal Biorefinery toward a Sustainable Circular Bioeconomy Considering Resource Recirculation. ENERGIES 2021. [DOI: 10.3390/en14051416] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
Biofuel production from microalgae biomass has been considered a viable alternative to harmful fossil fuels; however, challenges are faced regarding its economic sustainability. Process integration to yield various high-value bioproducts is implemented to raise profitability and sustainability. By incorporating a circular economy outlook, recirculation of resource flows is maximized to yield economic and environmental benefits through waste minimization. However, previous modeling studies have not looked into the opportunity of integrating productivity reduction related to the continuous recirculation and reuse of resources until it reaches its end of life. In this work, a novel multi-objective optimization model is developed centered on an algal biorefinery that simultaneously optimizes cost and environmental impact, adopts the principle of resource recovery and recirculation, and incorporates the life cycle assessment methodology to properly account for the environmental impacts of the system. An algal biorefinery involving end-products such as biodiesel, glycerol, biochar, and fertilizer was used for a case study to validate the optimization model. The generated optimal results are assessed and further analyzed through scenario analysis. It was seen that demand fluctuations and process unit efficiencies have significant effect on the optimal results.
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Yuan H, Wang Y, Lai Z, Zhang X, Jiang Z, Zhang X. Analyzing microalgal biofilm structures formed under different light conditions by evaluating cell-cell interactions. J Colloid Interface Sci 2021; 583:563-570. [PMID: 33039857 DOI: 10.1016/j.jcis.2020.09.057] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2019] [Revised: 09/07/2020] [Accepted: 09/15/2020] [Indexed: 11/17/2022]
Abstract
Biofilm structure plays an important role in microalgae biofilm-based culture. This work aims to understand microalgal biofilm structures formed under different light conditions. Here, Scenedesmus obliquus was biofilm cultured under the light spectra of white, blue, green, and red, and the photoperiods of 5:5 s, 30:30 min, and 12:12 h (light : dark period). Biofilms were observed with confocal laser scanning microscopes and profilometry, then the porosity and roughness of biofilm were determined. We found that cells under white light formed a heterogeneous biofilm with many voids, high porosity, and roughness. While under red and blue lights, cells formed homogeneous biofilms with low porosity. Biofilm structures formed under different photoperiods were different. The mechanism of forming different biofilm structures under different light conditions was interpreted from the aspect of cell-cell interactions. Moreover, the results revealed that biomass accumulation increased with the increasing biofilm porosity due to the high effective diffusion coefficient.
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Affiliation(s)
- Hao Yuan
- School of Energy and Environmental Engineering, University of Science and Technology Beijing, Beijing 100083, China
| | - Yi Wang
- School of Energy and Environmental Engineering, University of Science and Technology Beijing, Beijing 100083, China
| | - Zhijian Lai
- School of Chemistry and Biological Engineering, University of Science and Technology Beijing, Beijing 100083, China
| | - Xinru Zhang
- School of Energy and Environmental Engineering, University of Science and Technology Beijing, Beijing 100083, China; Beijing Engineering Research Center of Energy Saving and Environmental Protection, Beijing 100083, China.
| | - Zeyi Jiang
- School of Energy and Environmental Engineering, University of Science and Technology Beijing, Beijing 100083, China; Beijing Key Laboratory for Energy Saving and Emission Reduction of Metallurgical Industry, Beijing 100083, China
| | - Xinxin Zhang
- School of Energy and Environmental Engineering, University of Science and Technology Beijing, Beijing 100083, China; Beijing Key Laboratory for Energy Saving and Emission Reduction of Metallurgical Industry, Beijing 100083, China
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35
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Panić M, Andlar M, Tišma M, Rezić T, Šibalić D, Cvjetko Bubalo M, Radojčić Redovniković I. Natural deep eutectic solvent as a unique solvent for valorisation of orange peel waste by the integrated biorefinery approach. WASTE MANAGEMENT (NEW YORK, N.Y.) 2021; 120:340-350. [PMID: 33340816 DOI: 10.1016/j.wasman.2020.11.052] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/07/2020] [Revised: 11/28/2020] [Accepted: 11/29/2020] [Indexed: 06/12/2023]
Abstract
This research investigates the use of seven natural deep eutectic solvents (NADESs) for valorisation of orange peel waste, with the final goal to propose a unique NADES for integrated biorefinery. Initial screening of NADESs revealed the excellent ability of cholinium-based NADES with ethylene glycol as hydrogen bond donor (ChEg50) to serve as a medium for orange peel-catalysed kinetic resolution (hydrolysis) of (R,S)-1-phenylethyl acetate with high enantioselectivity (ee = 83.2%, X = 35%), as well as it's stabilizing effect on the hydrolytic enzymes (hydrolytic enzymes within ChEg50 peel extract were stabile during 20 days at 4 °C). The ChEg50 also showed a satisfactory capacity to extract D-limonene (0.5 mg gFW-1), and excellent capacity to extract polyphenols (45.7 mg gFW-1), and proteins (7.7 mg gFW-1) from the peel. Based on the obtained results, the integrated biorefinery of orange peel waste using ChEg50 in a multistep process was performed. Firstly, enantioselective kinetic resolution was performed (step I; ee = 83.2%, X = 35%), followed by isolation of the product 1-phenylethanol (step II; h = 82.2%) and extraction of polyphenols (step III; h = 86.8%) from impoverished medium. Finally, the residual orange peel was analysed for sugar and lignin content, and results revealed the potential of waste peel for the anaerobic co-digestion process. The main bottlenecks and futures perspective of NADES-assisted integrated biorefinery of orange peel waste were outlined through SWOT analysis.
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Affiliation(s)
- Manuela Panić
- Faculty of Food Technology and Biotechnology, University of Zagreb, Pierotijeva 2, 10000 Zagreb, Croatia
| | - Martina Andlar
- Faculty of Food Technology and Biotechnology, University of Zagreb, Pierotijeva 2, 10000 Zagreb, Croatia
| | - Marina Tišma
- Josip Juraj Strossmayer University of Osijek, Faculty of Food Technology Osijek, Franje Kuhača 18, Osijek HR-31000, Croatia
| | - Tonči Rezić
- Faculty of Food Technology and Biotechnology, University of Zagreb, Pierotijeva 2, 10000 Zagreb, Croatia
| | - Darijo Šibalić
- Josip Juraj Strossmayer University of Osijek, Faculty of Food Technology Osijek, Franje Kuhača 18, Osijek HR-31000, Croatia
| | - Marina Cvjetko Bubalo
- Faculty of Food Technology and Biotechnology, University of Zagreb, Pierotijeva 2, 10000 Zagreb, Croatia.
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36
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A Modelling Framework for the Conceptual Design of Low-Emission Eco-Industrial Parks in the Circular Economy: A Case for Algae-Centered Business Consortia. WATER 2020. [DOI: 10.3390/w13010069] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
This article describes a unique industrial symbiosis employing an algae cultivation unit (ACU) at the core of a novel eco-industrial park (EIP) integrating fossil-fuel fired power generation, carbon capture, biofuel production, aquaculture, and wastewater treatment. A new modelling framework capable of designing and evaluating materials and energy exchanges within an industrial eco-system is introduced. In this scalable model, an algorithm was developed to balance the material and energy exchanges and determine the optimal inputs and outputs based on the industrial symbiosis objectives and participating industries. Optimizing the functionality of the ACU not only achieved a substantial emission reduction, but also boosted aquaculture, biofuel, and other chemical productions. In a power-boosting scenario (PBS), by matching a 660 MW fossil fuel-fired power plant with an equivalent solar field in the presence of ACU, fish-producing aquaculture and biofuel industries, the net CO2 emissions were cut by 60% with the added benefit of producing 39 m3 biodiesel, 6.7 m3 bioethanol, 0.14 m3 methanol, and 19.55 tons of fish products annually. Significantly, this article shows the potential of this new flexible modelling framework for integrated materials and energy flow analysis. This integration is an important pathway for evaluating energy technology transitions towards future low-emission production systems, as required for a circular economy.
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37
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Revolutions in algal biochar for different applications: State-of-the-art techniques and future scenarios. CHINESE CHEM LETT 2020. [DOI: 10.1016/j.cclet.2020.08.019] [Citation(s) in RCA: 52] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
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38
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Sheehan NP, Ng A, Murray K, Martinez E, Quell K, Ouellette C, Flagg T, Boyle J. Bioenergy from biofuel residues and waste. WATER ENVIRONMENT RESEARCH : A RESEARCH PUBLICATION OF THE WATER ENVIRONMENT FEDERATION 2020; 92:1433-1439. [PMID: 32574406 DOI: 10.1002/wer.1381] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/13/2020] [Accepted: 06/16/2020] [Indexed: 06/11/2023]
Abstract
This article is a review of the scientific literature published in 2019 on topics relating to bioenergy from biofuel residues and waste. This literature review is divided into the following sections: Feedstocks, Biodiesel, Bioethanol, Hydrogen, Biohydrogen, Biofuel Residues, Microalgae, and Lignocelluloses.
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Affiliation(s)
- Nathaniel P Sheehan
- Department of Geography and Environmental Engineering, United States Military Academy, West Point, New York, USA
| | - Andrew Ng
- Department of Geography and Environmental Engineering, United States Military Academy, West Point, New York, USA
| | - Kyle Murray
- Department of Geography and Environmental Engineering, United States Military Academy, West Point, New York, USA
| | - Erick Martinez
- Department of Chemistry and Life Science, United States Military Academy, West Point, New York, USA
| | - Kimberly Quell
- Department of Geography and Environmental Engineering, United States Military Academy, West Point, New York, USA
| | - Charles Ouellette
- Department of Chemistry and Life Science, United States Military Academy, West Point, New York, USA
| | - Timothy Flagg
- Department of Geography and Environmental Engineering, United States Military Academy, West Point, New York, USA
| | - John Boyle
- Department of Geography and Environmental Engineering, United States Military Academy, West Point, New York, USA
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39
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Kothri M, Mavrommati M, Elazzazy AM, Baeshen MN, Moussa TAA, Aggelis G. Microbial sources of polyunsaturated fatty acids (PUFAs) and the prospect of organic residues and wastes as growth media for PUFA-producing microorganisms. FEMS Microbiol Lett 2020; 367:5735438. [PMID: 32053204 DOI: 10.1093/femsle/fnaa028] [Citation(s) in RCA: 42] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2019] [Accepted: 02/11/2020] [Indexed: 12/17/2022] Open
Abstract
The discovery of non-fish sources of polyunsaturated fatty acids (PUFAs) is of great biotechnological importance. Although various oleaginous microalgae and fungi are able of accumulating storage lipids (single cell oils - SCOs) containing PUFAs, the industrial applications utilizing these organisms are rather limited due to the high-fermentation cost. However, combining SCO production with other biotechnological applications, including waste and by-product valorization, can overcome this difficulty. In the current review, we present the major sources of fungi (i.e. members of Mucoromycota, fungoid-like Thraustochytrids and genetically modified strains of Yarrowia lipolytica) and microalgae (e.g. Isochrysis, NannochloropsisandTetraselmis) that have come recently to the forefront due to their ability to produce PUFAs. Approaches adopted in order to increase PUFA productivity and the potential of using various residues, such as agro-industrial, food and aquaculture wastes as fermentation substrates for SCO production have been considered and discussed. We concluded that several organic residues can be utilized as feedstock in the SCO production increasing the competitiveness of oleaginous organisms against conventional PUFA producers.
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Affiliation(s)
- Maria Kothri
- Unit of Microbiology, Division of Genetics, Cell and Developmental Biology, Department of Biology, University of Patras, 26504 Patras, Greece
| | - Maria Mavrommati
- Unit of Microbiology, Division of Genetics, Cell and Developmental Biology, Department of Biology, University of Patras, 26504 Patras, Greece
| | - Ahmed M Elazzazy
- Department of Biology, Faculty of Science, University of Jeddah, 23218 Jeddah, Saudi Arabi.,Department of Chemistry of Natural and Microbial Products, Division of Pharmaceutical and Drug Industries, National Research Centre, 12622 Dokki, Giza, Egypt
| | - Mohamed N Baeshen
- Department of Biology, Faculty of Science, University of Jeddah, 23218 Jeddah, Saudi Arabi
| | - Tarek A A Moussa
- Department of Biology, Faculty of Science, University of Jeddah, 23218 Jeddah, Saudi Arabi.,Botany and Microbiology Department, Faculty of Science, Cairo University, 12613 Giza, Egypt
| | - George Aggelis
- Unit of Microbiology, Division of Genetics, Cell and Developmental Biology, Department of Biology, University of Patras, 26504 Patras, Greece.,Department of Biology, Faculty of Science, University of Jeddah, 23218 Jeddah, Saudi Arabi
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40
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Hung CM, Huang CP, Hsieh SL, Tsai ML, Chen CW, Dong CD. Biochar derived from red algae for efficient remediation of 4-nonylphenol from marine sediments. CHEMOSPHERE 2020; 254:126916. [PMID: 32957301 DOI: 10.1016/j.chemosphere.2020.126916] [Citation(s) in RCA: 37] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/12/2020] [Revised: 04/21/2020] [Accepted: 04/25/2020] [Indexed: 06/11/2023]
Abstract
4-Nonylphenol (4-NP), a phenolic endocrine disruptor chemical (EDC), is known to have high toxicity to aquatic organisms and humans. The remediation of 4-NP-contaminated marine sediments was studied using red algae-based biochar (RAB) thermochemically synthesized from Agardhiella subulata with simple pyrolysis process under different temperatures of 300-900 °C in CO2 atmosphere. The RAB was characterized by XRD, Raman, FTIR spectroscopy, and zeta potential measurements. The calcium in RAB efficiently activated sodium percarbonate (SPC) to generate reactive radicals for the catalytic degradation of 4-NP at pH 9.0. The oxygen-containing functional groups reacted with H2O2, which increased the generation of reactive radicals under alkaline pH condition. Ca2+ ion was the active species responsible for 4-NP degradation. CaO/CaCO3 on RAB surface enhanced direct electron transfer, increased HO production, and 4-NP degradation in marine sediments. Langmuir‒Hinshelwood type kinetics well described the 4-NP degradation process. Remediation of contaminated sediments using RAB could be a sustainable approach toward closed-loop biomass cycling in the degradation of 4-NP contaminants.
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Affiliation(s)
- Chang-Mao Hung
- Department of Marine Environmental Engineering, National Kaohsiung University of Science and Technology, Kaohsiung City, Taiwan
| | - C P Huang
- Department of Civil and Environmental Engineering, University of Delaware, Newark, USA
| | - Shu-Ling Hsieh
- Department of Seafood Science, National Kaohsiung University of Science and Technology, Kaohsiung City, Taiwan
| | - Mei-Ling Tsai
- Department of Seafood Science, National Kaohsiung University of Science and Technology, Kaohsiung City, Taiwan
| | - Chiu-Wen Chen
- Department of Marine Environmental Engineering, National Kaohsiung University of Science and Technology, Kaohsiung City, Taiwan.
| | - Cheng-Di Dong
- Department of Marine Environmental Engineering, National Kaohsiung University of Science and Technology, Kaohsiung City, Taiwan.
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Choudhary P, Assemany PP, Naaz F, Bhattacharya A, Castro JDS, Couto EDADC, Calijuri ML, Pant KK, Malik A. A review of biochemical and thermochemical energy conversion routes of wastewater grown algal biomass. THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 726:137961. [PMID: 32334349 DOI: 10.1016/j.scitotenv.2020.137961] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/30/2019] [Revised: 03/13/2020] [Accepted: 03/13/2020] [Indexed: 06/11/2023]
Abstract
Microalgae are recognized as a potential source of biomass for obtaining bioenergy. However, the lack of studies towards economic viability and environmental sustainability of the entire production chain limits its large-scale application. The use of wastewaters economizes natural resources used for algal biomass cultivation. However, desirable biomass characteristics for a good fuel may be impaired when wastewaters are used, namely low lipid content and high ash and protein contents. Thus, the choice of wastewaters with more favorable characteristics may be one way of obtaining a more balanced macromolecular composition of the algal biomass and therefore, a more suitable feedstock for the desired energetic route. The exploration of biorefinery concept and the use of wastewaters as culture medium are considered as the main strategic tools in the search of this viability. Considering the economics of overall process, direct utilization of wet biomass using hydrothermal liquefaction or hydrothermal carbonization and anaerobic digestion is recommended. Among the explored routes, anaerobic digestion is the most studied process. However, some main challenges remain as little explored, such as a low energy pretreatment and suitable and large-scale reactors for algal biomass digestion. On the other hand, thermochemical conversion routes offer better valorization of the algal biomass but have higher costs. A biorefinery combining anaerobic digestion, hydrothermal carbonization and hydrothermal liquefaction processes would provide the maximum possible output from the biomass depending on its characteristics. Therefore, the choice must be made in an integrated way, aiming at optimizing the quality of the final product to be obtained. Life cycle assessment studies are critical for scaling up of any algal biomass valorization technique for sustainability. Although there are limitations, suitable integrations of these processes would enable to make an economically feasible process which require further study.
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Affiliation(s)
- Poonam Choudhary
- Applied Microbiology Laboratory, Centre for Rural Development and Technology, IIT Delhi, 110016, India
| | - Paula Peixoto Assemany
- Universidade Federal de Viçosa/Civil Engineering Department, Avenida PH Rolfs s/n, 36570-900 Viçosa, MG, Brazil.
| | - Farah Naaz
- Applied Microbiology Laboratory, Centre for Rural Development and Technology, IIT Delhi, 110016, India
| | - Arghya Bhattacharya
- Applied Microbiology Laboratory, Centre for Rural Development and Technology, IIT Delhi, 110016, India
| | - Jackeline de Siqueira Castro
- Universidade Federal de Viçosa/Civil Engineering Department, Avenida PH Rolfs s/n, 36570-900 Viçosa, MG, Brazil.
| | - Eduardo de Aguiar do Couto Couto
- Universidade Federal de Itajubá/Itabira campus, Instituto de Ciências Puras e Aplicadas, Rua Irmã Ivone Drummond, 200, 35903-087 Itabira, MG, Brazil.
| | - Maria Lúcia Calijuri
- Universidade Federal de Viçosa/Civil Engineering Department, Avenida PH Rolfs s/n, 36570-900 Viçosa, MG, Brazil.
| | - Kamal Kishore Pant
- Catalytic Reaction Engineering Laboratory, Department of Chemical Engineering, IIT Delhi, 110016, India.
| | - Anushree Malik
- Applied Microbiology Laboratory, Centre for Rural Development and Technology, IIT Delhi, 110016, India.
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Ioannidou SM, Pateraki C, Ladakis D, Papapostolou H, Tsakona M, Vlysidis A, Kookos IK, Koutinas A. Sustainable production of bio-based chemicals and polymers via integrated biomass refining and bioprocessing in a circular bioeconomy context. BIORESOURCE TECHNOLOGY 2020; 307:123093. [PMID: 32247685 DOI: 10.1016/j.biortech.2020.123093] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/30/2019] [Revised: 02/26/2020] [Accepted: 02/28/2020] [Indexed: 06/11/2023]
Abstract
The sustainable production of bio-based chemicals and polymers is highly dependent on the development of viable biorefinery concepts using crude renewable resources for the production of diversified products. Within this concept, this critical review presents the availability of fractionated co-products and fermentable sugars that could be derived from major industrial and food supply chain side streams in EU countries. Fermentable sugars could be used for the production of bio-based chemicals and polymers. The implementation of biorefinery concepts in industry should depend on the evaluation of process efficiency and sustainability including techno-economic, environmental and social impact assessment following circular bioeconomy principles. Relevant sustainability indicators and End-of-Life scenarios have been presented. A case study on the techno-economic evaluation of bio-based succinic acid production from the organic fraction of municipal solid waste has been presented focusing on the evaluation of process profitability and feedstock requirements.
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Affiliation(s)
- Sofia Maria Ioannidou
- Department of Food Science and Human Nutrition, Agricultural University of Athens, Iera Odos 75, 118 55 Athens, Greece
| | - Chrysanthi Pateraki
- Department of Food Science and Human Nutrition, Agricultural University of Athens, Iera Odos 75, 118 55 Athens, Greece
| | - Dimitrios Ladakis
- Department of Food Science and Human Nutrition, Agricultural University of Athens, Iera Odos 75, 118 55 Athens, Greece
| | - Harris Papapostolou
- Department of Food Science and Human Nutrition, Agricultural University of Athens, Iera Odos 75, 118 55 Athens, Greece
| | - Maria Tsakona
- Department of Food Science and Human Nutrition, Agricultural University of Athens, Iera Odos 75, 118 55 Athens, Greece
| | - Anestis Vlysidis
- Department of Food Science and Human Nutrition, Agricultural University of Athens, Iera Odos 75, 118 55 Athens, Greece
| | - Ioannis K Kookos
- Department of Chemical Engineering, University of Patras, 26504 Patras, Rio, Greece
| | - Apostolis Koutinas
- Department of Food Science and Human Nutrition, Agricultural University of Athens, Iera Odos 75, 118 55 Athens, Greece.
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Dhanya BS, Mishra A, Chandel AK, Verma ML. Development of sustainable approaches for converting the organic waste to bioenergy. THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 723:138109. [PMID: 32229385 DOI: 10.1016/j.scitotenv.2020.138109] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/29/2019] [Revised: 03/09/2020] [Accepted: 03/20/2020] [Indexed: 05/22/2023]
Abstract
Dependence on fossil fuels such as oil, coal and natural gas are on alarming increase, thereby causing such resources to be in a depletion mode and a novel sustainable approach for bioenergy production are in demand. Successful implementation of zero waste discharge policy is one such way to attain a sustainable development of bioenergy. Zero waste discharge can be induced only through the conversion of organic wastes into bioenergy. Waste management is pivotal and considering its importance of minimizing the issue and menace of wastes, conversion strategy of organic waste is effectively recommended. Present review is concentrated on providing a keen view on the potential organic waste sources and the way in which the bioenergy is produced through efficient conversion processes. Biogas, bioethanol, biocoal, biohydrogen and biodiesel are the principal renewable energy sources. Different types of organic wastes used for bioenergy generation and its sources, anaerobic digestion-biogas production and its related process affecting parameters including fermentation, photosynthetic process and novel nano-inspired techniques are discussed. Bioenergy production from organic waste is associated with mitigation of lump waste generation and its dumping into land, specifically reducing all hazards and negativities in all sectors during waste disposal. A sustainable bioenergy sector with upgraded security for fuels, tackles the challenging climatic change problem also. Thus, intensification of organic waste conversion strategies to bioenergy, specially, biogas and biohydrogen production is elaborated and analyzed in the present article. Predominantly, persistent drawbacks of the existing organic waste conversion methods have been noted, providing consideration to economic, environmental and social development.
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Affiliation(s)
- B S Dhanya
- Department of Biotechnology, Udaya School of Engineering, Udaya Nagar, Kanyakumari, Tamil Nadu 629 204, India
| | - Archana Mishra
- Sustainable Agriculture Division, The Energy and Resources Institute, New Delhi, India
| | - Anuj K Chandel
- Department of Biotechnology, Engineering School of Lorena, University of São Paulo, Brazil
| | - Madan L Verma
- Department of Biotechnology, School of Basic Sciences, Indian Institute of Information Technology, Una, Himachal Pradesh, India.
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Porcelli R, Dotto F, Pezzolesi L, Marazza D, Greggio N, Righi S. Comparative life cycle assessment of microalgae cultivation for non-energy purposes using different carbon dioxide sources. THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 721:137714. [PMID: 32171140 DOI: 10.1016/j.scitotenv.2020.137714] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/04/2019] [Revised: 02/20/2020] [Accepted: 03/02/2020] [Indexed: 06/10/2023]
Abstract
The ability of microalgae to sequester carbon and at the same time synthesise valuable compounds with potential applications in nutraceutical, pharmaceutical and cosmetic industries makes them attractive for commercial deployment, especially in view of a blue bioeconomy. Among microalgae, the diatom Phaeodactylum tricornutum is considered as an important potential source of omega-3 polyunsaturated fatty acids, such as eicosapentanoic acid, an essential polyunsaturated fatty acid with anti-inflammatory and antimicrobial properties. The aim of this study was to perform the Life Cycle Assessment of the cultivation of P. tricornutum - at semi-industrial scale in photobioreactor - for the production of high-quality bioactive compounds comparing synthetic carbon dioxide supply to a supply with waste carbon dioxide from a biogas upgrading process hypothesizing industrial symbiosis network. The effect of renewable energy use instead of the European electricity mix was also examined. Primary data on the production process, including the stages of cleaning and sterilisation, cultivation, harvesting and freeze-drying, were used. The midpoint impact categories recommended in the ILCD Handbook were used for performing the impact assessment. A sensitivity analysis was also performed on algal productivity, culture medium recirculation factor and amount of solvents per cleaning cycle. Firstly, results indicate in general cultivation and freeze-drying as the most contributing stages to the impacts. Secondly, they demonstrate in the comparative assessment that the use of carbon dioxide from the biogas upgrading is a feasible and attractive alternative to the synthetic one, as it allows for the improvement of the environmental performance of the production process in all the analysed impact categories. Finally, sensitivity analysis suggests that the environmental performance could be further improved by acting on other key factors, such as electricity source, nutrients culture medium and cleaning solutions.
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Affiliation(s)
- Roberto Porcelli
- Department of Physics and Astronomy, University of Bologna, Viale Berti Pichat 6/2, 40127 Bologna, Italy.
| | - Federica Dotto
- Department of Physics and Astronomy, University of Bologna, Viale Berti Pichat 6/2, 40127 Bologna, Italy
| | - Laura Pezzolesi
- Department of Biological, Geological and Environmental Sciences, University of Bologna, via Sant'Alberto 163, 48123 Ravenna, Italy; Interdepartmental Centre for Industrial Research in Renewable Resources, Environment, Sea and Energy, University of Bologna, via Sant'Alberto 163, 48123 Ravenna, Italy
| | - Diego Marazza
- Department of Physics and Astronomy, University of Bologna, Viale Berti Pichat 6/2, 40127 Bologna, Italy; Interdepartmental Centre for Industrial Research in Renewable Resources, Environment, Sea and Energy, University of Bologna, via Sant'Alberto 163, 48123 Ravenna, Italy
| | - Nicolas Greggio
- Interdepartmental Centre for Industrial Research in Renewable Resources, Environment, Sea and Energy, University of Bologna, via Sant'Alberto 163, 48123 Ravenna, Italy
| | - Serena Righi
- Department of Physics and Astronomy, University of Bologna, Viale Berti Pichat 6/2, 40127 Bologna, Italy; Interdepartmental Centre for Industrial Research in Renewable Resources, Environment, Sea and Energy, University of Bologna, via Sant'Alberto 163, 48123 Ravenna, Italy
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45
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Kumar M, Sun Y, Rathour R, Pandey A, Thakur IS, Tsang DCW. Algae as potential feedstock for the production of biofuels and value-added products: Opportunities and challenges. THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 716:137116. [PMID: 32059310 DOI: 10.1016/j.scitotenv.2020.137116] [Citation(s) in RCA: 140] [Impact Index Per Article: 35.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/21/2019] [Revised: 01/14/2020] [Accepted: 02/03/2020] [Indexed: 06/10/2023]
Abstract
The current review explores the potential application of algal biomass for the production of biofuels and bio-based products. The variety of processes and pathways through which bio-valorization of algal biomass can be performed are described in this review. Various lipid extraction techniques from algal biomass along with transesterification reactions for biodiesel production are briefly discussed. Processes such as the pretreatment and saccharification of algal biomass, fermentation, gasification, pyrolysis, hydrothermal liquefaction, and anaerobic digestion for the production of biohydrogen, bio-oils, biomethane, biochar (BC), and various bio-based products are reviewed in detail. The biorefinery model and its collaborative approach with various processes are highlighted for the production of eco-friendly, sustainable, and cost-effective biofuels and value-added products. The authors also discuss opportunities and challenges related to bio-valorization of algal biomass and use their own perspective regarding the processes involved in production and the feasibility to make algal research a reality for the production of biofuels and bio-based products in a sustainable manner.
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Affiliation(s)
- Manish Kumar
- Department of Civil and Environmental Engineering, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong, China
| | - Yuqing Sun
- Department of Civil and Environmental Engineering, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong, China
| | - Rashmi Rathour
- School of Environmental Sciences, Jawaharlal Nehru University, New Delhi 110067, India
| | - Ashok Pandey
- CSIR-Indian Institute of Toxicology Research, 31 MG Marg, Lucknow 226 001, India
| | - Indu Shekhar Thakur
- School of Environmental Sciences, Jawaharlal Nehru University, New Delhi 110067, India
| | - Daniel C W Tsang
- Department of Civil and Environmental Engineering, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong, China.
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46
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Rajak RC, Jacob S, Kim BS. A holistic zero waste biorefinery approach for macroalgal biomass utilization: A review. THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 716:137067. [PMID: 32059301 DOI: 10.1016/j.scitotenv.2020.137067] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/17/2019] [Revised: 01/25/2020] [Accepted: 01/31/2020] [Indexed: 05/18/2023]
Abstract
The growing concerns over the depleting fossil fuels and increase in the release of greenhouse gas emissions have necessitated the search for the potential biomass source for alternative energy generation. In this context, third generation biomass specifically maroalgae has gained a lot of research interest in the recent years for energy and products generation such as ethanol, butanol, alginates, agars, and carrageenans. There are a few reviews available in scientific domain on macroalgal biomass utilization for bioethanol production but none of them has addressed precisely from phenolic precursor compounds to the entire ethanol production process and its bottlenecks. Here, we explained critically the processes involved in bioethanol, value added products and chemicals production utilizing macroalgal biomass as a feedstock along with its zero waste feasibility approach. Apart from this, we have also summarized the major issues linked to the macroalgae based biofuels and bioproducts generation processes and their possible corrective measures. Biorefinery is a promising way to generate multiple products from a single source with short processing time. Thus, this review also focuses on the recent advancement in the macroalgal biomass scaling up and how this could help in the growth of macroalgal biorefinery industry in the near future.
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Affiliation(s)
- Rajiv Chandra Rajak
- Department of Chemical Engineering, Chungbuk National University, Cheongju, Chunbuk 361-763, Republic of Korea
| | - Samuel Jacob
- Department of Biotechnology, School of Bioengineering, SRM Institute of Science and Technology, Kattankulathur, India
| | - Beom Soo Kim
- Department of Chemical Engineering, Chungbuk National University, Cheongju, Chunbuk 361-763, Republic of Korea.
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Sahoo S, Mahapatra SR, Das N, Parida BK, Rath S, Misra N, Suar M. Functional elucidation of hypothetical proteins associated with lipid accumulation: Prioritizing genetic engineering targets for improved algal biofuel production. ALGAL RES 2020. [DOI: 10.1016/j.algal.2020.101887] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
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48
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Cui H, Ma H, Chen S, Yu J, Xu W, Zhu X, Gujar A, Ji C, Xue J, Zhang C, Li R. Mitigating excessive ammonia nitrogen in chicken farm flushing wastewater by mixing strategy for nutrient removal and lipid accumulation in the green alga Chlorella sorokiniana. BIORESOURCE TECHNOLOGY 2020; 303:122940. [PMID: 32044649 DOI: 10.1016/j.biortech.2020.122940] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/18/2019] [Revised: 01/27/2020] [Accepted: 01/29/2020] [Indexed: 05/21/2023]
Abstract
This study aimed to evaluate algal growth, lipid production, and nutrient removal in chicken farm flushing wastewater (CFFW). The excessive ammonia nitrogen (EAN) content in the CFFW wastewater represented a major factor limiting the algal growth. A strategy of mixing CFFW with municipal wastewater (MW) that contained less ammonia nitrogen was adopted. The results showed that the mixed wastewaters reduced ammonia nitrogen content, balanced nutrient profile, and promoted biomass production. The residual nutrients in mixed wastewaters were significantly reduced due to the algal absorption. Furthermore, alga grown on mixed wastewaters accumulated a higher level of total lipids and monounsaturated fatty acids that can be used for biodiesel production. The key issue of low biomass yield of algal grown on CFFW due to the inhibition of EAN was efficiently resolved by mitigating limiting factor to algal growth basing on mixing strategy, and accordingly the nutrients in the wastewater were significantly removed.
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Affiliation(s)
- Hongli Cui
- Institute of Molecular Agriculture and Bioenergy, Shanxi Agricultural University, Taigu 030801, China.
| | - Haotian Ma
- Institute of Molecular Agriculture and Bioenergy, Shanxi Agricultural University, Taigu 030801, China
| | - Shuaihang Chen
- Institute of Molecular Agriculture and Bioenergy, Shanxi Agricultural University, Taigu 030801, China
| | - Jie Yu
- Institute of Molecular Agriculture and Bioenergy, Shanxi Agricultural University, Taigu 030801, China
| | - Wen Xu
- Institute of Molecular Agriculture and Bioenergy, Shanxi Agricultural University, Taigu 030801, China
| | - Xiaoli Zhu
- Institute of Molecular Agriculture and Bioenergy, Shanxi Agricultural University, Taigu 030801, China
| | - Asadullah Gujar
- Institute of Molecular Agriculture and Bioenergy, Shanxi Agricultural University, Taigu 030801, China
| | - Chunli Ji
- Institute of Molecular Agriculture and Bioenergy, Shanxi Agricultural University, Taigu 030801, China.
| | - Jinai Xue
- Institute of Molecular Agriculture and Bioenergy, Shanxi Agricultural University, Taigu 030801, China
| | - Chunhui Zhang
- Institute of Molecular Agriculture and Bioenergy, Shanxi Agricultural University, Taigu 030801, China
| | - Runzhi Li
- Institute of Molecular Agriculture and Bioenergy, Shanxi Agricultural University, Taigu 030801, China.
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49
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Behl K, SeshaCharan P, Joshi M, Sharma M, Mathur A, Kareya MS, Jutur PP, Bhatnagar A, Nigam S. Multifaceted applications of isolated microalgae Chlamydomonas sp. TRC-1 in wastewater remediation, lipid production and bioelectricity generation. BIORESOURCE TECHNOLOGY 2020; 304:122993. [PMID: 32078900 DOI: 10.1016/j.biortech.2020.122993] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/08/2019] [Revised: 02/02/2020] [Accepted: 02/07/2020] [Indexed: 06/10/2023]
Abstract
Green microalga, Chlamydomonas sp. TRC-1 (C. TRC-1), isolated from the outlet of effluent treatment plant of textile dyeing mill, was investigated for its competence towards bioremediation. Algal biomass obtained after remediation (ABAR) was implied for bioelectricity and biofuel production. C. TRC-1 could completely decolorize the effluent in 7 days. Significant reduction in pollution-indicating parameters was observed. Chronoamperometric studies were carried out using cyclic voltammetry and electrochemical impedance spectroscopy (EIS). Maximum current density, power and power density of 3.6 A m-2, 4.13 × 10-4 W and 1.83 W m-2, respectively were generated in ABAR. EIS studies showed a decrease in resistance of ABAR, supporting better electron transfer as compared to algal biomass before remediation (ABBR). Its candidature for biofuel production was assessed by estimating the total lipid content. Results revealed enhancement in lipid content from 46.85% (ABBR) to 79.1% (ABAR). Current study advocates versatile potential of isolated C. TRC-1 for bioremediation of wastewater, bioelectricity production and biofuel generation.
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Affiliation(s)
- Kannikka Behl
- Amity Institute of Biotechnology, Amity University, Noida, Uttar Pradesh 201313, India
| | | | - Monika Joshi
- Amity Institute of Nanotechnology, Amity University, Noida, Uttar Pradesh 201313, India
| | - Mahima Sharma
- Amity Institute of Nanotechnology, Amity University, Noida, Uttar Pradesh 201313, India
| | - Ashish Mathur
- Amity Institute of Nanotechnology, Amity University, Noida, Uttar Pradesh 201313, India
| | - Mukul Suresh Kareya
- Omics of Algae Group, Integrative Biology, International Centre for Genetic Engineering and Biotechnology, New Delhi 110067, India
| | - Pannaga Pavan Jutur
- Omics of Algae Group, Integrative Biology, International Centre for Genetic Engineering and Biotechnology, New Delhi 110067, India
| | - Amit Bhatnagar
- Department of Environmental and Biological Sciences, University of Eastern Finland, P. O. Box 1627, FI-70211, Kuopio, Finland
| | - Subhasha Nigam
- Amity Institute of Biotechnology, Amity University, Noida, Uttar Pradesh 201313, India.
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50
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Ubando AT, Felix CB, Chen WH. Biorefineries in circular bioeconomy: A comprehensive review. BIORESOURCE TECHNOLOGY 2020; 299:122585. [PMID: 31901305 DOI: 10.1016/j.biortech.2019.122585] [Citation(s) in RCA: 179] [Impact Index Per Article: 44.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/01/2019] [Revised: 12/05/2019] [Accepted: 12/06/2019] [Indexed: 05/23/2023]
Abstract
Biorefinery is a sustainable means of generating multiple bioenergy products from various biomass feedstocks through the incorporation of relevant conversion technologies. With the increased attention of circular economy in the past half-decade with the emphasis of holistically addressing economic, environmental, and social aspects of the industrial-sector, biorefinery acts as a strategic mechanism for the realization of a circular bioeconomy. This study presents a comprehensive review of different biorefinery models used for various biomass feedstocks such as lignocelluloses, algae, and numerous waste-types. The review focuses on how biorefinery is instrumental in the transition of various biomass-based industries in a circular bioeconomy. The results reveal that the social-economic aspect of the industrial sector has a major influence on the full adoption of biorefineries in circular bioeconomy. Biomass wastes have played a major role in the implementation of biorefinery in circular bioeconomy. The current challenges are also presented along with future perspectives.
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Affiliation(s)
- Aristotle T Ubando
- Department of Aeronautics and Astronautics, National Cheng Kung University, Tainan 701, Taiwan; Mechanical Engineering Department, De La Salle University, 2401 Taft Avenue, 0922 Manila, Philippines
| | - Charles B Felix
- Mechanical Engineering Department, De La Salle University, 2401 Taft Avenue, 0922 Manila, Philippines
| | - Wei-Hsin Chen
- Department of Aeronautics and Astronautics, National Cheng Kung University, Tainan 701, Taiwan; Department of Chemical and Materials Engineering, College of Engineering, Tunghai University, Taichung 407, Taiwan; Department of Mechanical Engineering, National Chin-Yi University of Technology, Taichung 411, Taiwan; Research Center for Energy Technology and Strategy, National Cheng Kung University, Tainan 701, Taiwan.
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