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Devi A, Verma M, Saratale GD, Saratale RG, Ferreira LFR, Mulla SI, Bharagava RN. Microalgae: A green eco-friendly agents for bioremediation of tannery wastewater with simultaneous production of value-added products. CHEMOSPHERE 2023:139192. [PMID: 37353172 DOI: 10.1016/j.chemosphere.2023.139192] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/06/2023] [Revised: 06/09/2023] [Accepted: 06/10/2023] [Indexed: 06/25/2023]
Abstract
Tannery wastewater (TWW) has high BOD, COD, TS and variety of pollutants like chromium, formaldehydes, biocides, oils, chlorophenols, detergents and phthalates etc. Besides these pollutants, TWW also rich source of nutrients like nitrogen, phosphorus, carbon and sulphur etc. that can be utilized by microalgae during their growth. Direct disposal of TWW into the environment may lead severe environmental and health threats, therefore it needs to be treated adequately. Microalgae are considered as an efficient microorganisms (fast growing, adaptability and strain robustness, high surface to volume ratio, energy saving) for remediation of wastewaters with simultaneous biomass recovery and generation of value added products (VAPs) such as biofuels, biohydrogen, biopolymer, biofertilizer, pigments, bioethanol, bioactive compounds, nutraceutical etc. Most microalgae are photosynthetic and use CO2 and light energy to synthesise carbohydrate and reduces the emission of greenhouse gasses. Microalgae are also reported to remove heavy metals and antibiotics from wastewaters by bioaccumulation, biodegradation and biosorption. Microalgal treatment can be an alternative of conventional processes with generation of VAPs. The use of biotechnology in wastewater remediation with simultaneous generation of VAPs is trending. The validation of economic viability and environmental sustainability, life cycle assessment studies and techno-economic analysis is undergoing. Thus, in this review, the characteristics of TWW and microalgae are summarized, which manifest microalgae as potential candidates for wastewater remediation with simultaneous production of VAPs. Further, the treatment mechanisms, various factors (physical, chemical, mechanical and biological etc.) affecting treatment efficiency as well as challenges associated with microalgal remediation are also discussed.
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Affiliation(s)
- Anuradha Devi
- Laboratory of Bioremediation and Metagenomics Research (LBMR), Department of Environmental Microbiology (DEM), Babasaheb Bhimrao Ambedkar University, Vidya Vihar, Raebareli Road, Lucknow-226 025 (U.P.), India
| | - Meenakshi Verma
- University Centre of Research and Development, Department of Chemistry, Chandigarh University, Gharuan, Mohali 140413, Panjab, India
| | - Ganesh Dattatraya Saratale
- Department of Food Science and Biotechnology, Dongguk University, Seoul, Ilsandong-gu, Goyang-si, Gyeonggi-do, 10326, Republic of Korea
| | - Rijuta Ganesh Saratale
- Research Institute of Biotechnology and Medical Converged Science, Dongguk University-Seoul, Ilsandong-gu, Goyang-si, Gyeonggido 10326, Republic of Korea
| | - Luiz Fernando R Ferreira
- Waste and Effluent Treatment Laboratory, Institute of Technology and Research (ITP), Tiradentes University, Farolândia, Aracaju, SE 49032-490, Brazil; Graduate Program in Process Engineering, Tiradentes University (UNIT), Av. Murilo Dantas, 300, Farolândia, 49032-490 Aracaju, Sergipe, Brazil
| | - Sikandar I Mulla
- Department of Biochemistry, School of Applied Sciences, REVA University, Bangalore, India
| | - Ram Naresh Bharagava
- Laboratory of Bioremediation and Metagenomics Research (LBMR), Department of Environmental Microbiology (DEM), Babasaheb Bhimrao Ambedkar University, Vidya Vihar, Raebareli Road, Lucknow-226 025 (U.P.), India.
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Nham Q, Mattsson L, Legrand C, Lindehoff E. Whey permeate as a phosphorus source for algal cultivation. WATER ENVIRONMENT RESEARCH : A RESEARCH PUBLICATION OF THE WATER ENVIRONMENT FEDERATION 2023; 95:e10865. [PMID: 37032530 DOI: 10.1002/wer.10865] [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: 01/17/2023] [Revised: 03/22/2023] [Accepted: 03/31/2023] [Indexed: 06/19/2023]
Abstract
Microalgal cultivation for biodiesel and feed requires recycled nutrient resources for a sustainable long-term operation. Whey permeate (WP) from dairy processing contains high organic load (lactose, oils, and proteins) and nitrogen (resources tested for microalgal cultivation) and organic phosphorus (P) that has not yet been tested as a P source for microalgal cultivation. We explored the potential of green algae strains (brackish) and polyculture (freshwater) in exploiting P from WP added to a medium based on either seawater (7 psu) or landfill leachate. Both strains showed a capacity of using organic P in WP with equal growth rates (0.94-1.12 d-1 ) compared with chemical phosphate treatments (0.88-1.07 d-1 ). The polyculture had comparable growth rate (0.25-0.57 d-1 ) and biomass yield (152.1-357.5 mg L-1 ) and similar or higher nutrient removal rate in the leachate-WP medium (1.3-6.4 mg L-1 day-1 nitrogen, 0.2-1.1 mg L-1 day-1 P) compared with the leachate-chemical phosphate medium (1.2-4.7 mg L-1 day-1 nitrogen, 0.3-1.4 mg L-1 day-1 P). This study showed that WP is a suitable P source for microalgal cultivation over a range of salinities. To date, this is the first study demonstrating that raw WP can replace mineral P fertilizer for algal cultivation. PRACTITIONERS POINTS: Whey permeate is a comparable phosphorus source to standard fertilizers used in algal cultivation. Green algae removed phosphorus effectively from whey permeate. Microalgal cultivation is a good approach for treatment of whey permeate in combination with a nitrogen-rich wastewater.
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Affiliation(s)
- Quyen Nham
- Department of Biology and Environmental Science, Centre for Ecology and Evolution in Microbial Model Systems, Linnaeus University, Kalmar, Sweden
| | - Lina Mattsson
- Department of Biology and Environmental Science, Centre for Ecology and Evolution in Microbial Model Systems, Linnaeus University, Kalmar, Sweden
| | - Catherine Legrand
- Department of Biology and Environmental Science, Centre for Ecology and Evolution in Microbial Model Systems, Linnaeus University, Kalmar, Sweden
| | - Elin Lindehoff
- Department of Biology and Environmental Science, Centre for Ecology and Evolution in Microbial Model Systems, Linnaeus University, Kalmar, Sweden
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Schipper K, Al Jabri HMSJ, Wijffels RH, Barbosa MJ. Realizing algae value chains in arid environments: an Arabian Peninsula perspective. Trends Biotechnol 2022; 41:750-759. [PMID: 36581482 DOI: 10.1016/j.tibtech.2022.11.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2022] [Revised: 11/13/2022] [Accepted: 11/16/2022] [Indexed: 12/28/2022]
Abstract
Algae are a promising feedstock for the sustainable production of feed, fuels, and chemicals. Especially in arid regions such as the Arabian Peninsula, algae could play a significant role in enhancing food security, economic diversification, and decarbonization. Within this context, the regional potential of algae commercialization is discussed, exploring opportunities and challenges across technical, societal, and political aspects. Climate, availability of process inputs, and funding opportunities are identified as essential strengths that increase the global competitiveness of regional algae production. Implementation challenges include climate change, securing human resources, and the vital transitioning from research to commercial scales. With balanced management, however, the region's efforts could be the push that is necessary for algal technologies to take off globally.
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Affiliation(s)
- Kira Schipper
- Algal Technologies Program, Center for Sustainable Development, College of Arts and Sciences, Qatar University, PO Box 2713, Doha, Qatar.
| | - Hareb Mohammed S J Al Jabri
- Algal Technologies Program, Center for Sustainable Development, College of Arts and Sciences, Qatar University, PO Box 2713, Doha, Qatar; Department of Biological and Environmental Sciences, College of Arts and Sciences, Qatar University, PO Box 2713, Doha, Qatar
| | - René H Wijffels
- Bioprocess Engineering, AlgaePARC, Wageningen University, PO Box 16, 6700 AA Wageningen, The Netherlands; Nord University, Faculty of Biosciences and Aquaculture, N-8049, Bodø, Norway
| | - Maria J Barbosa
- Bioprocess Engineering, AlgaePARC, Wageningen University, PO Box 16, 6700 AA Wageningen, The Netherlands
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Bhatt P, Bhandari G, Bhatt K, Simsek H. Microalgae-based removal of pollutants from wastewaters: Occurrence, toxicity and circular economy. CHEMOSPHERE 2022; 306:135576. [PMID: 35803375 DOI: 10.1016/j.chemosphere.2022.135576] [Citation(s) in RCA: 40] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/21/2022] [Revised: 06/06/2022] [Accepted: 06/29/2022] [Indexed: 06/15/2023]
Abstract
The natural and anthropogenic sources of water bodies are contaminated with diverse categories of pollutants such as antibiotics, pharmaceuticals, pesticides, heavy metals, organic compounds, and other industrial chemicals. Depending on the type and the origin of the pollutants, the degree of contamination can be categorized into lower to higher concentrations. Therefore, the removal of hazardous chemicals from the environment is an important aspect. The physical, chemical and biological approaches have been developed and implemented to treat wastewaters. The microbial and algal treatment methods have emerged as a growing field due to their eco-friendly and sustainable approach. Particularly, microalgae emerged as a potential organism for the treatment of contaminated water bodies. The microalgae of the genera Chlorella, Anabaena, Ankistrodesmus, Aphanizomenon, Arthrospira, Botryococcus, Chlamydomonas, Chlorogloeopsis, Dunaliella, Haematococcus, Isochrysis, Nannochloropsis, Porphyridium, Synechococcus, Scenedesmus, and Spirulina reported for the wastewater treatment and biomass production. Microalgae have the potential for adsorption, bioaccumulation, and biodegradation. The microalgal strains can mitigate the hazardous chemicals via their diverse cellular mechanisms. Applications of the microalgae strains were found to be effective for sustainable developments and circular economy due to the production of biomass with the utilization of pollutants.
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Affiliation(s)
- Pankaj Bhatt
- Department of Agricultural & Biological Engineering, Purdue University, West Lafayette, IN, 47906, USA.
| | - Geeta Bhandari
- Department of Biosciences, Swami Rama Himalayan University, Dehradun, 248016, India
| | - Kalpana Bhatt
- Department of Food Science, Purdue University, West Lafayette, IN, USA
| | - Halis Simsek
- Department of Agricultural & Biological Engineering, Purdue University, West Lafayette, IN, 47906, USA.
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Techno-economic modelling of high-value metabolites and secondary products from microalgae cultivated in closed photobioreactors with supplementary lighting. ALGAL RES 2022. [DOI: 10.1016/j.algal.2022.102733] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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Biological-Based Produced Water Treatment Using Microalgae: Challenges and Efficiency. SUSTAINABILITY 2022. [DOI: 10.3390/su14010499] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Produced water (PW) is the most significant waste stream generated in the oil and gas industries. The generated PW has the potential to be a useful water source rather than waste. While a variety of technologies can be used for the treatment of PW for reuse, biological-based technologies are an effective and sustainable remediation method. Specifically, microalgae, which are a cost-effective and sustainable process that use nutrients to eliminate organic pollutants from PW during the bioremediation process. In these treatment processes, microalgae grow in PW free of charge, eliminate pollutants, and generate clean water that can be recycled and reused. This helps to reduce CO2 levels in the atmosphere while simultaneously producing biofuels, other useful chemicals, and added-value products. As such, this review focuses on PW generation in the oil and gas industry, PW characteristics, and examines the available technologies that can be used for PW remediation, with specific attention to algal-based technologies. In addition, the various aspects of algae growth and cultivation in PW, the effect of growth conditions, water quality parameters, and the corresponding treatment performance are presented. Lastly, this review emphasizes the bioremediation of PW using algae and highlights how to harvest algae that can be processed to generate biofuels for added-value products as a sustainable approach.
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Villar-Navarro E, Garrido-Pérez C, Perales JA. The potential of different marine microalgae species to recycle nutrients from recirculating aquaculture systems (RAS) fish farms and produce feed additives. ALGAL RES 2021. [DOI: 10.1016/j.algal.2021.102389] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
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Schipper K, Al-Jabri HMSJ, Wijffels RH, Barbosa MJ. Techno-economics of algae production in the Arabian Peninsula. BIORESOURCE TECHNOLOGY 2021; 331:125043. [PMID: 33813163 DOI: 10.1016/j.biortech.2021.125043] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/04/2021] [Revised: 03/17/2021] [Accepted: 03/18/2021] [Indexed: 06/12/2023]
Abstract
The Arabian Peninsula's advantageous climate, availability of non-arable land, access to seawater and CO2-rich flue gas, make it an attractive location for microalgae biomass production. Despite these promising aspects, the region has seen very few studies into the commercial feasibility of algae-based value chains. This work aims to address this gap through a techno-economic feasibility study of algae biomass production costs, comparing different photobioreactor types, locations, and production scales. Flat panel and raceway pond cultivation systems were found to be the most economically attractive cultivation systems, with biomass production costs as low as 2.9 €·kg-1. Potential cost reductions of up to 42.5% and 25% could be accomplished with improvements in photosynthetic efficiencies and increased culture temperatures, respectively. As of such, efforts to source local thermo- and photo- tolerant strains could be the key to unlock the potential of the region for algae commercialization, linking into food, feed and nutraceutical industries.
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Affiliation(s)
- Kira Schipper
- Algal Technologies Program, Center for Sustainable Development, Qatar University, PO Box 2713, Doha, Qatar; Bioprocess Engineering, AlgaePARC, Wageningen University & Research, PO Box 16, 6700 AA Wageningen, The Netherlands.
| | | | - Rene H Wijffels
- Bioprocess Engineering, AlgaePARC, Wageningen University & Research, PO Box 16, 6700 AA Wageningen, The Netherlands; Nord University, Faculty of Biosciences and Aquaculture, N-8049 Bodø, Norway
| | - Maria J Barbosa
- Bioprocess Engineering, AlgaePARC, Wageningen University & Research, PO Box 16, 6700 AA Wageningen, The Netherlands
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9
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Nannochloropsis oceanica Cultivation in Pilot-Scale Raceway Ponds—From Design to Cultivation. APPLIED SCIENCES-BASEL 2020. [DOI: 10.3390/app10051725] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Raceways ponds are the microalgal production systems most commonly used at industrial scale. In this work, two different raceway configurations were tested under the same processing conditions to compare their performance on the production of Nannochloropsis oceanica. Biomass productivity, biochemical composition of the produced biomass, and power requirements to operate those reactors were evaluated. Water depths of 0.20 and 0.13 m, and culture circulation velocities of 0.30 and 0.15 m s−1 were tested. A standard configuration, which had a full channel width paddlewheel, proved to be the most energy efficient, consuming less than half of the energy required by a modified configuration (had a half channel width paddlewheel). The later showed to have slightly higher productivity, not enough to offset the large difference in energetic consumption. Higher flow velocity (0.30 m s−1) led to a 1.7 g m−2 d−1 improvement of biomass productivity of the system, but it increased the energy consumption twice as compared to the 0.15 m s−1 flow velocity. The latter velocity showed to be the most productive in lipids. A water depth of 0.20 m was the most suitable option tested to cultivate microalgae, since it allowed a 54% energy saving. Therefore, a standard raceway pond using a flow velocity of 0.3 m s−1 with a 0.20 m water depth was the most efficient system for microalgal cultivation. Conversely, a flow velocity of 0.15 m s−1 was the most suitable to produce lipids.
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Silveira Júnior AM, Faustino SMM, Cunha AC. Bioprospection of biocompounds and dietary supplements of microalgae with immunostimulating activity: a comprehensive review. PeerJ 2019; 7:e7685. [PMID: 31592343 PMCID: PMC6777487 DOI: 10.7717/peerj.7685] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2019] [Accepted: 08/19/2019] [Indexed: 11/21/2022] Open
Abstract
The objective of this review is to analyze the role of microalgal bioprospecting and the application of microalgae as food supplements and immunostimulants in global and regional aquaculture, highlighting the Brazilian Amazon. This study evaluates the primary advantages of the application of the bioactive compounds of these microorganisms, simultaneously identifying the knowledge gaps that hinder their biotechnological and economic exploitation. The methodology used is comparative and descriptive-analytical, considering the hypothesis of the importance of bioprospecting microalgae, the mechanisms of crop development and its biotechnological and sustainable application. In this context, this review describes the primary applications of microalgae in aquaculture during the last decade (2005–2017). The positive effects of food replacement and/or complementation of microalgae on the diets of organisms, such as their influence on the reproduction rates, growth, and development of fish, mollusks and crustaceans are described and analyzed. In addition, the importance of physiological parameters and their association with the associated gene expression of immune responses in organisms supplemented with microalgae was demonstrated. Complementarily, the existence of technical-scientific gaps in a regional panorama was identified, despite the potential of microalgal cultivation in the Brazilian Amazon. In general, factors preventing the most immediate biotechnological applications in the use of microalgae in the region include the absence of applied research in the area. We conclude that the potential of these microorganisms has been relatively well exploited at the international level but not at the Amazon level. In the latter case, the biotechnological potential still depends on a series of crucial steps that involve the identification of species, the understanding of their functional characteristics and their applicability in the biotechnological area, especially in aquaculture.
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Affiliation(s)
- Arialdo M Silveira Júnior
- Department of Environment and Development, Federal University of Amapá, Macapá, Amapá, Brazil.,Postgraduate Program in Tropical Biodiversity, Federal University of Amapá, Macapá, Amapá, Brazil
| | - Silvia Maria M Faustino
- Department of Biological and Health Sciences, Federal University of Amapá, Macapá, Amapá, Brazil
| | - Alan C Cunha
- Postgraduate Program in Tropical Biodiversity, Federal University of Amapá, Macapá, Amapá, Brazil.,Department of Exact and Natural Sciences, Federal University of Amapá, Macapá, Amapá, Brazil
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Das P, Khan S, Thaher M, AbdulQuadir M, Hoekman SK, Al-Jabri H. Effect of harvesting methods on the energy requirement of Tetraselmis sp. biomass production and biocrude yield and quality. BIORESOURCE TECHNOLOGY 2019; 284:9-15. [PMID: 30925427 DOI: 10.1016/j.biortech.2019.03.118] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/14/2019] [Revised: 03/21/2019] [Accepted: 03/22/2019] [Indexed: 06/09/2023]
Abstract
A halo-tolerant Tetraselmis sp. was grown in a 100,000 L raceway pond in the Qatari desert environment. As the biomass density reached 0.679 g/L, after 7 days, five different harvesting methods (i.e., cross-flow filtration, electrocoagulation, and coagulation-flocculation by FeCl3, NaOH, and alum) were applied to harvest the biomass. Hydrothermal liquefaction, for all the harvested biomass, was conducted at 350 °C for 30 mins in 10 mL Swagelok unions. The biocrude yield from cross-flow processed biomass (i.e., control) was 50.8%. Biocrude yield from electrocoagulation and alum processed biomass were 62.7% and 60.4% respectively where aluminum could have a catalytic effect. Biocrude yield from FeCl3 and NaOH processed biomass were 42.9% and 19.8% respectively. The total fraction of alkenes and alkanes was higher in the biocrude obtained from alum-harvested biomass, compared to other biocrude samples. However, the transition of metal species from biomass to biocrude was very low in all the biocrudes.
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Affiliation(s)
- Probir Das
- Algal Technology Program, Center for Sustainable Development, College of Arts and Sciences, Qatar University, Doha 2713, Qatar.
| | - Shoyeb Khan
- Algal Technology Program, Center for Sustainable Development, College of Arts and Sciences, Qatar University, Doha 2713, Qatar
| | - Mahmoud Thaher
- Algal Technology Program, Center for Sustainable Development, College of Arts and Sciences, Qatar University, Doha 2713, Qatar
| | - Mohammed AbdulQuadir
- Algal Technology Program, Center for Sustainable Development, College of Arts and Sciences, Qatar University, Doha 2713, Qatar
| | - S Kent Hoekman
- Desert Research Institute, 2215 Raggio Parkway, Reno, NV 89512, USA
| | - Hareb Al-Jabri
- Algal Technology Program, Center for Sustainable Development, College of Arts and Sciences, Qatar University, Doha 2713, Qatar
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Khanra S, Mondal M, Halder G, Tiwari O, Gayen K, Bhowmick TK. Downstream processing of microalgae for pigments, protein and carbohydrate in industrial application: A review. FOOD AND BIOPRODUCTS PROCESSING 2018. [DOI: 10.1016/j.fbp.2018.02.002] [Citation(s) in RCA: 126] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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13
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Sustainable Agriculture in the Arabian/Persian Gulf Region Utilizing Marginal Water Resources: Making the Best of a Bad Situation. SUSTAINABILITY 2018. [DOI: 10.3390/su10051364] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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14
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Apel A, Pfaffinger C, Basedahl N, Mittwollen N, Göbel J, Sauter J, Brück T, Weuster-Botz D. Open thin-layer cascade reactors for saline microalgae production evaluated in a physically simulated Mediterranean summer climate. ALGAL RES 2017. [DOI: 10.1016/j.algal.2017.06.004] [Citation(s) in RCA: 53] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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15
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Gani P, Mohamed Sunar N, Matias-Peralta H, Abdul Latiff AA, Mohamad Fuzi SFZ. Growth of microalgae Botryococcus sp. in domestic wastewater and application of statistical analysis for the optimization of flocculation using alum and chitosan. Prep Biochem Biotechnol 2017; 47:333-341. [PMID: 27737612 DOI: 10.1080/10826068.2016.1244686] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Affiliation(s)
- Paran Gani
- Department of Water and Environmental Engineering, Faculty of Civil and Environmental Engineering, Universiti Tun Hussein Onn Malaysia, Johor, Malaysia
| | - Norshuhaila Mohamed Sunar
- Department of Civil Engineering Technology, Faculty of Engineering Technology, Universiti Tun Hussein Onn Malaysia, Johor, Malaysia
| | - Hazel Matias-Peralta
- Department of Technology and Heritage, Faculty of Science, Technology, and Human Development, Universiti Tun Hussein Onn Malaysia, Johor, Malaysia
| | - Ab Aziz Abdul Latiff
- Department of Water and Environmental Engineering, Faculty of Civil and Environmental Engineering, Universiti Tun Hussein Onn Malaysia, Johor, Malaysia
| | - Siti Fatimah Zaharah Mohamad Fuzi
- Department of Technology and Heritage, Faculty of Science, Technology, and Human Development, Universiti Tun Hussein Onn Malaysia, Johor, Malaysia
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16
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Microalgal green refinery concept for biosequestration of carbon-dioxide vis-à-vis wastewater remediation and bioenergy production: Recent technological advances in climate research. J CO2 UTIL 2017. [DOI: 10.1016/j.jcou.2016.12.006] [Citation(s) in RCA: 47] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
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17
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Das P, Thaher MI, Hakim MAQMA, Al-Jabri HMSJ, Alghasal GSHS. A comparative study of the growth of Tetraselmis sp. in large scale fixed depth and decreasing depth raceway ponds. BIORESOURCE TECHNOLOGY 2016; 216:114-120. [PMID: 27235973 DOI: 10.1016/j.biortech.2016.05.058] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/30/2016] [Revised: 05/15/2016] [Accepted: 05/18/2016] [Indexed: 06/05/2023]
Abstract
In this study, an alternative approach was proposed where excess seawater would be added only during inoculation (DD) rather than daily addition (FD). Growth and metabolite contents of Tetraselmis sp. weren't affected for daily increase of 2% NaCl salinity. Tetraselmis sp. was then cultured in DD and FD pond. In DD pond, initial culture depth was 23.5cm and its depth reduced as no water was added; for FD pond, everyday sterilized seawater was added to maintain 20cm depth. DD pond had higher biomass productivity compared to FD pond, until DD pond was deeper than FD pond; metabolite content and FAME profile of Tetraselmis sp. were also similar in both cultures. Therefore, considering the simplicity in operation, halo tolerant microalgae can be grown in DD pond method.
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Affiliation(s)
- Probir Das
- Algal Technologies Program, Center for Sustainable Development, College of Arts and Sciences, Qatar University, P.O. 2713, Doha, Qatar.
| | - Mahmoud Ibrahim Thaher
- Algal Technologies Program, Center for Sustainable Development, College of Arts and Sciences, Qatar University, P.O. 2713, Doha, Qatar
| | | | - Hareb Mohammed S J Al-Jabri
- Algal Technologies Program, Center for Sustainable Development, College of Arts and Sciences, Qatar University, P.O. 2713, Doha, Qatar
| | - Ghamza Saed H S Alghasal
- Algal Technologies Program, Center for Sustainable Development, College of Arts and Sciences, Qatar University, P.O. 2713, Doha, Qatar
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Ma XN, Chen TP, Yang B, Liu J, Chen F. Lipid Production from Nannochloropsis. Mar Drugs 2016; 14:md14040061. [PMID: 27023568 PMCID: PMC4849066 DOI: 10.3390/md14040061] [Citation(s) in RCA: 151] [Impact Index Per Article: 18.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2015] [Revised: 03/01/2016] [Accepted: 03/11/2016] [Indexed: 12/18/2022] Open
Abstract
Microalgae are sunlight-driven green cell factories for the production of potential bioactive products and biofuels. Nannochloropsis represents a genus of marine microalgae with high photosynthetic efficiency and can convert carbon dioxide to storage lipids mainly in the form of triacylglycerols and to the ω-3 long-chain polyunsaturated fatty acid eicosapentaenoic acid (EPA). Recently, Nannochloropsis has received ever-increasing interests of both research and public communities. This review aims to provide an overview of biology and biotechnological potential of Nannochloropsis, with the emphasis on lipid production. The path forward for the further exploration of Nannochloropsis for lipid production with respect to both challenges and opportunities is also discussed.
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Affiliation(s)
- Xiao-Nian Ma
- Institute for Food and Bioresource Engineering, College of Engineering, Peking University, Beijing 100871, China.
| | - Tian-Peng Chen
- Institute for Food and Bioresource Engineering, College of Engineering, Peking University, Beijing 100871, China.
| | - Bo Yang
- Institute for Food and Bioresource Engineering, College of Engineering, Peking University, Beijing 100871, China.
| | - Jin Liu
- Institute for Food and Bioresource Engineering, College of Engineering, Peking University, Beijing 100871, China.
| | - Feng Chen
- Institute for Food and Bioresource Engineering, College of Engineering, Peking University, Beijing 100871, China.
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