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Mihi M, Ouhammou B, Aggour M, Daouchi B, Naaim S, El Mers EM, Kousksou T. Modeling and forecasting biogas production from anaerobic digestion process for sustainable resource energy recovery. Heliyon 2024; 10:e38472. [PMID: 39397928 PMCID: PMC11471178 DOI: 10.1016/j.heliyon.2024.e38472] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2024] [Revised: 09/12/2024] [Accepted: 09/24/2024] [Indexed: 10/15/2024] Open
Abstract
Anaerobic digestion (AD) is one of the most extensively accepted processes for organic waste cleanup, and production of both bioenergy and organic fertilizer. Numerous mathematical models have been conceived for modeling the anaerobic process. In this study, a new modified dynamic mathematical model for the simulation of the biochemical and physicochemical processes involved in the AD process for biogas production was proposed. The model was validated, and a sensitivity analysis based on the OAT approach (one-at-a-time) was carried out as a screening technique to identify the most sensitive parameters. The model was developed by updating the bio-chemical framework and including more details concerning the physico-chemical process. The fraction XP was incorporated into the model as a particulate inert product arising from biomass decay (inoculum). New components were included to distinguish between the substrate and inoculum, and a surface-based kinetics was used to model the substrate disintegration. Additionally, the sulfate reduction process and hydrogen sulfide production have been included. The model was validated using data extracted from the literature. The model's ability to generate accurate predictions was testified using statistical metrics. The model exhibited excellent performance in forecasting the parameters related to the biogas process, with measurements falling within a reasonable error margin. The relative absolute error (rAE) and root mean square error (RMSE) were both less than 5 %, indicating a high ability of the current model in comparison with the literature. Additionally, the scatter index (SI) was below 10 %, and the Nash-Sutcliffe efficiency (NES) approached one, which affirms the model's accuracy and reliability. Finally, the model was applied to investigate the performances of the AD of food waste (FW). The findings of this study support the robustness of the developed model and its applicability as a virtual platform to evaluate the efficiency of the AD treatment and to forecast biogas production and its quality, CO2 emission, and energy potential across various organic solid waste types.
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Affiliation(s)
- Miriam Mihi
- Faculty of Science of Kenitra, Ibn Tofail University, Morocco
| | - Badr Ouhammou
- National School of Applied Sciences, Chouaib Doukkali University, Morocco
| | - Mohammed Aggour
- Faculty of Science of Kenitra, Ibn Tofail University, Morocco
| | - Brahim Daouchi
- Faculty of Science of Kenitra, Ibn Tofail University, Morocco
| | - Soufyane Naaim
- Faculty of Science of Kenitra, Ibn Tofail University, Morocco
| | | | - Tarik Kousksou
- University of Pau and Pays de l'Adour, E2S UPPA, SIAME, Pau, France
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Niya B, Yaakoubi K, Beraich FZ, Arouch M, Meftah Kadmiri I. Current status and future developments of assessing microbiome composition and dynamics in anaerobic digestion systems using metagenomic approaches. Heliyon 2024; 10:e28221. [PMID: 38560681 PMCID: PMC10979216 DOI: 10.1016/j.heliyon.2024.e28221] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2023] [Revised: 03/12/2024] [Accepted: 03/13/2024] [Indexed: 04/04/2024] Open
Abstract
The metagenomic approach stands as a powerful technique for examining the composition of microbial communities and their involvement in various anaerobic digestion (AD) systems. Understanding the structure, function, and dynamics of microbial communities becomes pivotal for optimizing the biogas process, enhancing its stability and improving overall performance. Currently, taxonomic profiling of biogas-producing communities relies mainly on high-throughput 16S rRNA sequencing, offering insights into the bacterial and archaeal structures of AD assemblages and their correlations with fed substrates and process parameters. To delve even deeper, shotgun and genome-centric metagenomic approaches are employed to recover individual genomes from the metagenome. This provides a nuanced understanding of collective functionalities, interspecies interactions, and microbial associations with abiotic factors. The application of OMICs in AD systems holds the potential to revolutionize the field, leading to more efficient and sustainable waste management practices particularly through the implementation of precision anaerobic digestion systems. As ongoing research in this area progresses, anticipations are high for further exciting developments in the future. This review serves to explore the current landscape of metagenomic analyses, with focus on advancing our comprehension and critically evaluating biases and recommendations in the analysis of microbial communities in anaerobic digesters. Its objective is to explore how contemporary metagenomic approaches can be effectively applied to enhance our understanding and contribute to the refinement of the AD process. This marks a substantial stride towards achieving a more comprehensive understanding of anaerobic digestion systems.
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Affiliation(s)
- Btissam Niya
- Plant and Microbial Biotechnology Center, Moroccan Foundation of Advanced Science Innovation and Research MAScIR, Mohammed VI Polytechnic University (UM6P), Lot 660, Hay Moulay Rachid, 43150, Benguerir, Morocco
- Engineering, Industrial Management & Innovation Laboratory IMII, Faculty of Science and Technics (FST), Hassan 1st University of Settat, Morocco
| | - Kaoutar Yaakoubi
- Plant and Microbial Biotechnology Center, Moroccan Foundation of Advanced Science Innovation and Research MAScIR, Mohammed VI Polytechnic University (UM6P), Lot 660, Hay Moulay Rachid, 43150, Benguerir, Morocco
| | - Fatima Zahra Beraich
- Biodome.sarl, Research and Development Design Office of Biogas Technology, Casablanca, Morocco
| | - Moha Arouch
- Engineering, Industrial Management & Innovation Laboratory IMII, Faculty of Science and Technics (FST), Hassan 1st University of Settat, Morocco
| | - Issam Meftah Kadmiri
- Plant and Microbial Biotechnology Center, Moroccan Foundation of Advanced Science Innovation and Research MAScIR, Mohammed VI Polytechnic University (UM6P), Lot 660, Hay Moulay Rachid, 43150, Benguerir, Morocco
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Mizrahi Rodriguez K, Lin S, Wu AX, Storme KR, Joo T, Grosz AF, Roy N, Syar D, Benedetti FM, Smith ZP. Penetrant-induced plasticization in microporous polymer membranes. Chem Soc Rev 2024; 53:2435-2529. [PMID: 38294167 DOI: 10.1039/d3cs00235g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2024]
Abstract
Penetrant-induced plasticization has prevented the industrial deployment of many polymers for membrane-based gas separations. With the advent of microporous polymers, new structural design features and unprecedented property sets are now accessible under controlled laboratory conditions, but property sets can often deteriorate due to plasticization. Therefore, a critical understanding of the origins of plasticization in microporous polymers and the development of strategies to mitigate this effect are needed to advance this area of research. Herein, an integrative discussion is provided on seminal plasticization theory and gas transport models, and these theories and models are compared to an exhaustive database of plasticization characteristics of microporous polymers. Correlations between specific polymer properties and plasticization behavior are presented, including analyses of plasticization pressures from pure-gas permeation tests and mixed-gas permeation tests for pure polymers and composite films. Finally, an evaluation of common and current state-of-the-art strategies to mitigate plasticization is provided along with suggestions for future directions of fundamental and applied research on the topic.
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Affiliation(s)
- Katherine Mizrahi Rodriguez
- Department of Materials Science and Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - Sharon Lin
- Department of Chemical Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.
| | - Albert X Wu
- Department of Chemical Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.
| | - Kayla R Storme
- Department of Chemistry, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - Taigyu Joo
- Department of Chemical Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.
| | - Aristotle F Grosz
- Department of Chemical Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.
| | - Naksha Roy
- Department of Chemical Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.
| | - Duha Syar
- Department of Chemical Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.
| | - Francesco M Benedetti
- Department of Chemical Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.
| | - Zachary P Smith
- Department of Chemical Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.
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Donacho DO, Tucho GT, Olani DD, Kabtiyimer HE, Hailu AB, Wolde AD. Experimental evaluation of fresh human feces biogas and compost potential: Evidence for circular economy from waste streams in Ethiopia. Heliyon 2023; 9:e22494. [PMID: 38046133 PMCID: PMC10686851 DOI: 10.1016/j.heliyon.2023.e22494] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2023] [Revised: 11/07/2023] [Accepted: 11/14/2023] [Indexed: 12/05/2023] Open
Abstract
Biogas toilets are one of the most resource-efficient sanitation technologies. The technology has dual purposes of generating energy and stabilizing waste-producing biofertilizers. In Ethiopia, knowledge of human feces' energy potential is limited to optimize the development of biogas toilet facilities. Therefore, this study was aimed to evaluate the biogas and biofertilizer potential of human feces in Jimma City, Ethiopia, which may contribute to the development of sustainable sanitation technologies. The study was lab-based experimental design. In the lab-scale batch experiment, fresh human excreta samples were collected using a urine diversion raised toilet. Using ultimate and proximate laboratory analyses, the theoretical yield of biogas was predicted. Then a series of anaerobic digestion batch experiments were conducted to determine the practical energy yield. The bio-fertilizer potential of human feces was determined by analyzing the nutrient contents of human feces. The findings of this study showed that the bio-methane yield from the experimental results has a mean of 0.393 m3 kg-1, which is 14.16 MJ kg-1. The bio-methane meter cube per capita per head per year were 28.71 (28.03-29.27) from the experimental result and 45.26 for the theoretical yield of methane. In this study, the bio-fertilizer potential of human feces was evaluated using nutrient analysis, specifically the NPK (nitrogen, phosphorus, and potassium). Accordingly, human feces contain potassium (2.29 mg kg-1), phosphorus (1.12 mg kg-1), and nitrogen (3.71 mg kg-1). This finding suggests the bio-methane potential of human feces can be used for energy recovery and alternative sanitation options, providing a positive remedy for the sanitation crisis in urban settings.
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Affiliation(s)
- Dereje Oljira Donacho
- Department of Environmental Health Science and Technology, Jimma University, Ethiopia
- Department of Health Informatics, Mattu University, Ethiopia
| | - Gudina Terefe Tucho
- Department of Environmental Health Science and Technology, Jimma University, Ethiopia
| | - Dessalegn Dadi Olani
- Department of Environmental Health Science and Technology, Jimma University, Ethiopia
| | | | - Abebe Beyene Hailu
- Department of Environmental Health Science and Technology, Jimma University, Ethiopia
| | - Aysha Desalegn Wolde
- Department of Environmental Health Science and Technology, Jimma University, Ethiopia
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Liang Z, Lan C, Jin X, Li S, Cai J, Yang S, Hou G, Cheng W, Shao X, Jia R, Ye J, Shi D, Li C, Li C. Spatial distribution and influencing factors of China's household biogas: evidence from provincial-level data. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:110119-110132. [PMID: 37783988 DOI: 10.1007/s11356-023-30069-8] [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: 03/05/2023] [Accepted: 09/20/2023] [Indexed: 10/04/2023]
Abstract
To address the adjustment of the Chinese agricultural industry and to better promote the development of Chinese household biogas, this article summarizes and analyzes the spatial distribution characteristics and influencing factors of the type and number of biogas digesters, biogas production, biogas fermentation materials, and methods of fermentation residue utilization and ecological agriculture with household biogas by compiling a dataset covering 31 provincial administrative regions in China. The results show that hydraulic biogas digesters are distributed mainly in northwestern and northeastern China; in addition, continuously stirred biogas digesters and bottom-discharging biogas digesters are distributed mainly in southern and northern China, respectively. Because of temperature and population, the Sichuan and Henan Provinces have the highest number of biogas digesters and biogas production. The type of biogas fermentation materials depends on the local raw materials. Biogas slurry and residue are widely used as fertilizers; furthermore, biogas slurry is used for seed soaking in northeastern and southern China, and biogas residue is used as feed in central southern and northern China. The "Three-in-one" and "Four-in-one" biogas ecological models are used mostly in southern and northern China, respectively, and both are mainly affected by temperature. Finally, we propose various problems and countermeasures to enhance the development of the household biogas industry in China. Our findings are critical for China's policymakers to adopt effective measures for promoting the development of cleaner energy and the layout of the agricultural industry.
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Affiliation(s)
- Zhenghao Liang
- Sanya Nanfan Research Institute, Hainan University, Sanya, 572025, Hainan, China
- School of Tropical Agriculture and Forestry, Hainan University, Haikou, 570228, Hainan, China
| | - Chaojie Lan
- School of Tropical Agriculture and Forestry, Hainan University, Haikou, 570228, Hainan, China
| | - Xin Jin
- School of Tropical Agriculture and Forestry, Hainan University, Haikou, 570228, Hainan, China
| | - Shoupeng Li
- Sanya Nanfan Research Institute, Hainan University, Sanya, 572025, Hainan, China
- School of Tropical Agriculture and Forestry, Hainan University, Haikou, 570228, Hainan, China
| | - Jinwen Cai
- School of Tropical Agriculture and Forestry, Hainan University, Haikou, 570228, Hainan, China
| | - Shuyun Yang
- School of Tropical Agriculture and Forestry, Hainan University, Haikou, 570228, Hainan, China
| | - Guangqing Hou
- Sanya Nanfan Research Institute, Hainan University, Sanya, 572025, Hainan, China
- School of Tropical Agriculture and Forestry, Hainan University, Haikou, 570228, Hainan, China
| | - Wenxiao Cheng
- Sanya Nanfan Research Institute, Hainan University, Sanya, 572025, Hainan, China
- School of Tropical Agriculture and Forestry, Hainan University, Haikou, 570228, Hainan, China
| | - Xujie Shao
- Sanya Nanfan Research Institute, Hainan University, Sanya, 572025, Hainan, China
- School of Tropical Agriculture and Forestry, Hainan University, Haikou, 570228, Hainan, China
| | - Ruihong Jia
- Sanya Nanfan Research Institute, Hainan University, Sanya, 572025, Hainan, China
- School of Tropical Agriculture and Forestry, Hainan University, Haikou, 570228, Hainan, China
| | - Jingang Ye
- Sanya Nanfan Research Institute, Hainan University, Sanya, 572025, Hainan, China
- School of Tropical Agriculture and Forestry, Hainan University, Haikou, 570228, Hainan, China
| | - Dairen Shi
- Sanya Nanfan Research Institute, Hainan University, Sanya, 572025, Hainan, China
- School of Tropical Agriculture and Forestry, Hainan University, Haikou, 570228, Hainan, China
| | - Changjiang Li
- Sanya Nanfan Research Institute, Hainan University, Sanya, 572025, Hainan, China.
- School of Tropical Agriculture and Forestry, Hainan University, Haikou, 570228, Hainan, China.
| | - Changzhen Li
- Sanya Nanfan Research Institute, Hainan University, Sanya, 572025, Hainan, China
- School of Tropical Agriculture and Forestry, Hainan University, Haikou, 570228, Hainan, China
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Nguyen Vo Chau N, Huynh Van T, Nguyen Cong T, Kim L, Pham DV. Water lettuce ( Pistia stratiotes L.) increases biogas effluent pollutant removal efficacy and proves a positive substrate for renewable energy production. PeerJ 2023; 11:e15879. [PMID: 37637175 PMCID: PMC10452623 DOI: 10.7717/peerj.15879] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2023] [Accepted: 07/19/2023] [Indexed: 08/29/2023] Open
Abstract
Background Aquatic plants play a crucial role in nature-based wastewater treatment and provide a promising substrate for renewable energy production using anaerobic digestion (AD) technology. This study aimed to examine the contaminant removal from AD effluent by water lettuce (WL) and produce biogas from WL biomass co-digested with pig dung (PD) in a farm-scale biogas digester. Methods The first experiment used styrofoam boxes containing husbandry AD effluent. WLs were initially arranged in 50%, 25%, 12.5%, and 0% surface coverage. Each treatment was conducted in five replicates under natural conditions. In the second experiment, WL biomass was co-digested with PD into an existing anaerobic digester to examine biogas production on a farm scale. Results Over 30 days, the treatment efficiency of TSS, BOD5, COD, TKN, and TP in the effluent was 93.75-97.66%, 76.63-82.56%, 76.78-82.89%, 61.75-63.75%, and 89.00-89.57%, respectively. Higher WL coverage increased the pollutant elimination potential. The WL biomass doubled after 12 days for all treatments. In the farm-scale biogas production, the biogas yield varied between 190.6 and 292.9 L kg VSadded-1. The methane content reached over 54%. Conclusions WL removed AD effluent nutrients effectively through a phytoremediation system and generated significant biomass for renewable energy production in a farm-scale model.
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Affiliation(s)
| | - Thao Huynh Van
- Department of Environmental Sciences, Can Tho University, Can Tho City, Vietnam
- United Graduate School of Agricultural Science, Tokyo University of Agriculture and Technology, Tokyo, Japan
| | - Thuan Nguyen Cong
- Department of Environmental Sciences, Can Tho University, Can Tho City, Vietnam
| | - Lavane Kim
- Department of Environmental Engineering, Can Tho University, Can Tho City, Vietnam
| | - Dan Van Pham
- Center for Technology Development and Agricultural Extension, Vietnam Academy of Agricultural Sciences, Ha Noi, Vietnam
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Rani GM, Pathania D, Umapathi R, Rustagi S, Huh YS, Gupta VK, Kaushik A, Chaudhary V. Agro-waste to sustainable energy: A green strategy of converting agricultural waste to nano-enabled energy applications. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 875:162667. [PMID: 36894105 DOI: 10.1016/j.scitotenv.2023.162667] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/26/2022] [Revised: 02/12/2023] [Accepted: 03/02/2023] [Indexed: 06/18/2023]
Abstract
The rising demands of the growing population have raised two significant global challenges viz. energy crisis and solid-waste management, ultimately leading to environmental deterioration. Agricultural waste (agro-waste) contributes to a large amount of globally produced solid waste, contaminating the environment, and raising human-health issues on improper management. It is essential for a circular economy to meet sustainable development goals and to design strategies to convert agro-waste into energy using nanotechnology-based processing strategies, by addressing the two significant challenges. This review illustrates the nano-strategic aspects of state-of-the-art agro-waste applications for energy harvesting and storage. It details the fundamentals related to converting agro-waste into energy resources in the form of green nanomaterials, biofuels, biogas, thermal energy, solar energy, triboelectricity, green hydrogen, and energy storage modules in supercapacitors and batteries. Besides, it highlights the challenges associated with agro-waste-to-green energy modules with their possible alternate solutions and advanced prospects. This comprehensive review will serve as a fundamental structure to guide future research on smart agro-waste management and nanotechnological innovations dedicated to its utilization for green energy applications without harming the environment. The nanomaterials assisted generation and storage of energy from agro-waste is touted to be the near-future of smart solid-waste management strategy for green and circular economy.
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Affiliation(s)
- Gokana Mohana Rani
- NanoBio High-Tech Materials Research Center, Department of Biological Sciences and Bioengineering, Inha University, Incheon 22212, Republic of Korea
| | - Diksha Pathania
- Animal Nutrition Division, ICAR-National Dairy Research Institute, Karnal 132001, India
| | - Reddicherla Umapathi
- NanoBio High-Tech Materials Research Center, Department of Biological Sciences and Bioengineering, Inha University, Incheon 22212, Republic of Korea
| | - Sarvesh Rustagi
- School of Applied and Life Sciences, Uttranchal University, Dehradun, Uttrakhand, India
| | - Yun Suk Huh
- NanoBio High-Tech Materials Research Center, Department of Biological Sciences and Bioengineering, Inha University, Incheon 22212, Republic of Korea
| | - Vijai Kumar Gupta
- Biorefining and Advanced Materials Research Center, SRUC, Kings Buildings, West Mains Road, Edinburgh EH9 3JG, UK
| | - Ajeet Kaushik
- NanoBioTech Laboratory, Department of Environmental Engineering, Florida Polytechnic University, Lakeland, FL, United States; School of Engineering, University of Petroleum and Energy Studies, Dehradun 248007, India.
| | - Vishal Chaudhary
- Department of Physics and Research Cell, Bhagini Nivedita College, University of Delhi, New Delhi, India; SUMAN Laboratory (SUstainable Materials & Advanced Nanotechnology Lab), New Delhi 110072, India.
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Singh A, Rana MS, Tiwari H, Kumar M, Saxena S, Anand V, Prajapati SK. Anaerobic digestion as a tool to manage eutrophication and associated greenhouse gas emission. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 861:160722. [PMID: 36493813 DOI: 10.1016/j.scitotenv.2022.160722] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/23/2022] [Revised: 11/10/2022] [Accepted: 12/02/2022] [Indexed: 06/17/2023]
Abstract
Eutrophicated inland water bodies are noticed to be one of the contributing factors to greenhouse gas (GHGs) emissions. Direct discharge of untreated or partially treated water is a major concern. Microalgae-based technology and management are regarded as one of the potential nature-based approaches to combat eutrophication. In turn, the microalgae facilitate the recovery of GHGs contributing compounds in the form of organic biomass. The recovered algal biomass can be harnessed for the production of biofuels and other bio-products, like biofertilizer, using anaerobic digestion. By virtue, circular bio-economy can be achieved alongside mitigating GHGs emissions. Before implementing, it is vital to thoroughly explore the links between the process and potential alternatives for wastewater treatment, waste valorization, biofuel production, and land usage. Thus, the present review discusses the impact of eutrophication on ecology and environment, current technologies for mitigating eutrophication and GHGs, and energy recovery through the anaerobic digestion of algal biomass. Further, the processes at the intercept of wastewater treatment and biogas production were reviewed to leverage the potential of anaerobic digestion for making a circular bioeconomy framework.
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Affiliation(s)
- Amit Singh
- Environment and Biofuel Research Laboratory, Department of Hydro and Renewable Energy (HRED), Indian Institute of Technology Roorkee, Roorkee, Uttarakhand 247667, India
| | - Mohit Singh Rana
- Environment and Biofuel Research Laboratory, Department of Hydro and Renewable Energy (HRED), Indian Institute of Technology Roorkee, Roorkee, Uttarakhand 247667, India
| | - Harshit Tiwari
- Environment and Biofuel Research Laboratory, Department of Hydro and Renewable Energy (HRED), Indian Institute of Technology Roorkee, Roorkee, Uttarakhand 247667, India
| | - Manoj Kumar
- Environment and Biofuel Research Laboratory, Department of Hydro and Renewable Energy (HRED), Indian Institute of Technology Roorkee, Roorkee, Uttarakhand 247667, India
| | - Sarthak Saxena
- IITB-Monash Research Academy, Indian Institute of Technology, Bombay, Mumbai 400076, India
| | - Vishal Anand
- Environment and Biofuel Research Laboratory, Department of Hydro and Renewable Energy (HRED), Indian Institute of Technology Roorkee, Roorkee, Uttarakhand 247667, India.
| | - Sanjeev Kumar Prajapati
- Environment and Biofuel Research Laboratory, Department of Hydro and Renewable Energy (HRED), Indian Institute of Technology Roorkee, Roorkee, Uttarakhand 247667, India.
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Saeid Hosseini S, Azadi Tabar M, F. J. Vankelecom I, F. M. Denayer J. Progress in High Performance Membrane Materials and Processes for Biogas Production, Upgrading and Conversion. Sep Purif Technol 2023. [DOI: 10.1016/j.seppur.2023.123139] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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10
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Wu Z, Man Q, Niu H, Lyu H, Song H, Li R, Ren G, Zhu F, Peng C, Li B, Ma X. Recent advances and trends of trichloroethylene biodegradation: A critical review. Front Microbiol 2022; 13:1053169. [PMID: 36620007 PMCID: PMC9813602 DOI: 10.3389/fmicb.2022.1053169] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2022] [Accepted: 12/02/2022] [Indexed: 12/24/2022] Open
Abstract
Trichloroethylene (TCE) is a ubiquitous chlorinated aliphatic hydrocarbon (CAH) in the environment, which is a Group 1 carcinogen with negative impacts on human health and ecosystems. Based on a series of recent advances, the environmental behavior and biodegradation process on TCE biodegradation need to be reviewed systematically. Four main biodegradation processes leading to TCE biodegradation by isolated bacteria and mixed cultures are anaerobic reductive dechlorination, anaerobic cometabolic reductive dichlorination, aerobic co-metabolism, and aerobic direct oxidation. More attention has been paid to the aerobic co-metabolism of TCE. Laboratory and field studies have demonstrated that bacterial isolates or mixed cultures containing Dehalococcoides or Dehalogenimonas can catalyze reductive dechlorination of TCE to ethene. The mechanisms, pathways, and enzymes of TCE biodegradation were reviewed, and the factors affecting the biodegradation process were discussed. Besides, the research progress on material-mediated enhanced biodegradation technologies of TCE through the combination of zero-valent iron (ZVI) or biochar with microorganisms was introduced. Furthermore, we reviewed the current research on TCE biodegradation in field applications, and finally provided the development prospects of TCE biodegradation based on the existing challenges. We hope that this review will provide guidance and specific recommendations for future studies on CAHs biodegradation in laboratory and field applications.
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Affiliation(s)
- Zhineng Wu
- School of Energy and Environmental Engineering, Hebei University of Technology, Tianjin, China
| | - Quanli Man
- School of Energy and Environmental Engineering, Hebei University of Technology, Tianjin, China
| | - Hanyu Niu
- School of Energy and Environmental Engineering, Hebei University of Technology, Tianjin, China
| | - Honghong Lyu
- School of Energy and Environmental Engineering, Hebei University of Technology, Tianjin, China
| | - Haokun Song
- School of Energy and Environmental Engineering, Hebei University of Technology, Tianjin, China
| | - Rongji Li
- School of Energy and Environmental Engineering, Hebei University of Technology, Tianjin, China
| | - Gengbo Ren
- School of Energy and Environmental Engineering, Hebei University of Technology, Tianjin, China
| | - Fujie Zhu
- School of Energy and Environmental Engineering, Hebei University of Technology, Tianjin, China
| | - Chu Peng
- MOE Key Laboratory of Pollution Processes and Environmental Criteria, College of Environmental Science and Engineering, Nankai University, Tianjin, China
| | - Benhang Li
- School of Energy and Environmental Engineering, Hebei University of Technology, Tianjin, China
| | - Xiaodong Ma
- School of Energy and Environmental Engineering, Hebei University of Technology, Tianjin, China,*Correspondence: Xiaodong Ma,
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Luo X, Liu Y, Muhmood A, Zhang Q, Wang J, Ruan R, Wang Y, Cui X. Effect of time and temperature of pretreatment and anaerobic co-digestion of rice straw and swine wastewater by domesticated paddy soil microbes. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2022; 323:116218. [PMID: 36108514 DOI: 10.1016/j.jenvman.2022.116218] [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: 07/04/2022] [Revised: 08/27/2022] [Accepted: 09/05/2022] [Indexed: 06/15/2023]
Abstract
Rice straw and swine wastewater are abundant, easy to obtain, and inexpensive biomass materials. Anaerobic digestion of rice straw and swine wastewater effectively regulates the carbon-to-nitrogen ratio and also improves methane production efficiency. The dense lignocellulosic structure, unsuitable carbon-to-nitrogen ratio, and light texture of rice straw hinder its application in anaerobic digestion. Effective pretreatment technologies can improve degradation efficiency and methane production. Our study is the first to apply domesticated paddy soil microbes to enhance the efficiency of hydrolytic acidification of rice straw and swine wastewater at varying temperatures and times. The results show that the highest total organic carbon (1757.2 mg/L), soluble chemical oxygen demand (5341.7 mg/L), and organic acid concentration (4134.6 mg/L) appeared in the hydrolysate after five days of hydrolytic acidification at 37 °C. Moreover, the use of hydrolysate produced 13% more gas and reduced the anaerobic digestion period by ten days compared to the untreated control. This suggests that using domesticated paddy soil microbes as a pretreatment might be a sustainable and cost-effective strategy for improving the degradation efficacy and methane production from lignocellulosic materials.
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Affiliation(s)
- Xuan Luo
- State Key Laboratory of Food Science and Technology, Engineering Research Center for Biomass Conversion, Ministry of Education, Nanchang University, Nanchang, Jiangxi, 330047, PR China
| | - Yuhuan Liu
- State Key Laboratory of Food Science and Technology, Engineering Research Center for Biomass Conversion, Ministry of Education, Nanchang University, Nanchang, Jiangxi, 330047, PR China
| | - Atif Muhmood
- Institute of Soil Chemistry & Environmental Sciences, AARI, Faisalabad, Pakistan
| | - Qi Zhang
- State Key Laboratory of Food Science and Technology, Engineering Research Center for Biomass Conversion, Ministry of Education, Nanchang University, Nanchang, Jiangxi, 330047, PR China
| | - Jingjing Wang
- State Key Laboratory of Food Science and Technology, Engineering Research Center for Biomass Conversion, Ministry of Education, Nanchang University, Nanchang, Jiangxi, 330047, PR China
| | - Roger Ruan
- Center for Biorefining and Dept. of Bioproducts and Biosystems Engineering, University of Minnesota, Paul, 55108, USA
| | - Yunpu Wang
- State Key Laboratory of Food Science and Technology, Engineering Research Center for Biomass Conversion, Ministry of Education, Nanchang University, Nanchang, Jiangxi, 330047, PR China.
| | - Xian Cui
- State Key Laboratory of Food Science and Technology, Engineering Research Center for Biomass Conversion, Ministry of Education, Nanchang University, Nanchang, Jiangxi, 330047, PR China.
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12
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Gong L, Zuo T, Qian Y, Liu J, Zhou J, Zhang H, Wang J, Zhou Y, Yang X, Wang L, Jia Q. Effect of Fe 3O 4 nanoparticles on the performance of anaerobic digestion through electrochemical analysis. ENVIRONMENTAL TECHNOLOGY 2022; 43:4180-4188. [PMID: 34151737 DOI: 10.1080/09593330.2021.1946161] [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: 11/25/2020] [Accepted: 06/13/2021] [Indexed: 06/13/2023]
Abstract
In view of the high cost and complex operation of the traditional chemical method for the determination of the anaerobic digestion (AD) process, this study investigated the feasibility of using electrochemistry analysis to determine the effect of Fe3O4 nanoparticles (NPs) on the AD process. The quantity of electric charge of Fe3O4 NPs modified graphite electrode in sodium acetate electrolyte was higher than that of graphite electrode. The addition of Fe3O4 NPs was beneficial to improve the electrochemical activity of the electrode. On this basis, enzymes and microorganisms were extracted from anaerobic reactors containing different concentrations of Fe3O4 NPs to make electrodes respectively to further investigate the effects of Fe3O4 NPs on enzyme and microbial activities in AD. The electrochemical analysis results of the enzyme electrodes and microbial electrodes showed that the quantity of electric charge produced by the group of 200 mg/L Fe3O4 NPs was the highest. The cumulative biogas production of 200 mg/L Fe3O4 NPs was 809 mL/g VS, and better than other groups. These results showed that 200 mg/L Fe3O4 NPs was the best dosage, and the electrochemical analysis has higher sensitivity in the AD detection.Highlight Electrochemistry was used to investigate the activities of enzymes and microorganisms in anaerobic digestion.The effects of Fe3O4 nanoparticles on different stages of anaerobic digestion were analyzed by electrochemical method.The feasibility of electrochemical analysis was verified from the perspective of microbiology.
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Affiliation(s)
- Lei Gong
- School of Environmental Engineering, Faculty of Environmental and Safety Engineering, Qingdao University of Science and Technology, Qingdao, People's Republic of China
| | - Tong Zuo
- School of Environmental Engineering, Faculty of Environmental and Safety Engineering, Qingdao University of Science and Technology, Qingdao, People's Republic of China
| | - Yi Qian
- School of Environmental Engineering, Faculty of Environmental and Safety Engineering, Qingdao University of Science and Technology, Qingdao, People's Republic of China
| | - Jianbo Liu
- School of Environmental Engineering, Faculty of Environmental and Safety Engineering, Qingdao University of Science and Technology, Qingdao, People's Republic of China
| | - Jun Zhou
- School of Environmental Engineering, Faculty of Environmental and Safety Engineering, Qingdao University of Science and Technology, Qingdao, People's Republic of China
| | - Haonan Zhang
- School of Environmental Engineering, Faculty of Environmental and Safety Engineering, Qingdao University of Science and Technology, Qingdao, People's Republic of China
| | - Jin Wang
- School of Environmental Engineering, Faculty of Environmental and Safety Engineering, Qingdao University of Science and Technology, Qingdao, People's Republic of China
| | - Ying Zhou
- School of Environmental Engineering, Faculty of Environmental and Safety Engineering, Qingdao University of Science and Technology, Qingdao, People's Republic of China
| | - Xiaoqi Yang
- School of Environmental Engineering, Faculty of Environmental and Safety Engineering, Qingdao University of Science and Technology, Qingdao, People's Republic of China
| | - Luyu Wang
- School of Environmental Engineering, Faculty of Environmental and Safety Engineering, Qingdao University of Science and Technology, Qingdao, People's Republic of China
| | - Qinwei Jia
- School of Environmental Engineering, Faculty of Environmental and Safety Engineering, Qingdao University of Science and Technology, Qingdao, People's Republic of China
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13
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Pakaweerachat P, Chysirichote T. Valorization of tannin rich triphala waste for simultaneous tannase and gallic acid production under solid state fermentation by Aspergillus niger. CHEM ENG COMMUN 2022. [DOI: 10.1080/00986445.2022.2107509] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Affiliation(s)
- Pattarabhorn Pakaweerachat
- Department of Food Engineering, School of Engineering, King Mongkut’s Institute of Technology Ladkrabang, Bangkok, Thailand
- Faculty of Home Economics Technology, Department of Food and Nutrition, Rajamangala University of Technology Krungthep, Bangkok, Thailand
| | - Teerin Chysirichote
- Department of Food Engineering, School of Engineering, King Mongkut’s Institute of Technology Ladkrabang, Bangkok, Thailand
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14
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Wang S, Xu C, Song L, Zhang J. Anaerobic Digestion of Food Waste and Its Microbial Consortia: A Historical Review and Future Perspectives. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:ijerph19159519. [PMID: 35954875 PMCID: PMC9367938 DOI: 10.3390/ijerph19159519] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/20/2022] [Revised: 07/25/2022] [Accepted: 07/27/2022] [Indexed: 02/04/2023]
Abstract
Renewable energy source, such as food waste (FW), has drawn great attention globally due to the energy crisis and the environmental problem. Anaerobic digestion (AD) mediated by novel microbial consortia is widely used to convert FW to clean energy. Despite of the considerable progress on food waste and FWAD optimization condition in recent years, a comprehensive and predictive understanding of FWAD microbial consortia is absent and therefore represents a major research challenge in FWAD. The review begins with a global view on the FWAD status and is followed by an overview of the role of AD key conditions’ association with microbial community variation during the three main energy substances (hydrogen, organic acids, and methane) production by FWAD. The following topic is the historical understanding of the FWAD microorganism through the development of molecular biotechnology, from classic strain isolation to low-throughput sequencing technologies, to high-throughput sequencing technologies, and to the combination of high-throughput sequencing and isotope tracing. Finally, the integration of multi-omics for better understanding of the microbial community activity and the synthetic biology for the manipulation of the functioning microbial consortia during the FWAD process are proposed. Understanding microbial consortia in FWAD helps us to better manage the global renewable energy source.
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Affiliation(s)
- Shuijing Wang
- School of Resources and Environmental Engineering, Anhui University, Hefei 230039, China;
| | - Chenming Xu
- College of Environment and Energy Engineering, Anhui Jianzhu University, Hefei 230601, China;
| | - Liyan Song
- School of Resources and Environmental Engineering, Anhui University, Hefei 230039, China;
- Correspondence: (L.S.); (J.Z.); Tel.: +86-55163861441 (L.S.); +86-55163828252 (J.Z.); Fax: +86-55163861724 (L.S.); +86-55163828252 (J.Z.)
| | - Jin Zhang
- College of Environment and Energy Engineering, Anhui Jianzhu University, Hefei 230601, China;
- Correspondence: (L.S.); (J.Z.); Tel.: +86-55163861441 (L.S.); +86-55163828252 (J.Z.); Fax: +86-55163861724 (L.S.); +86-55163828252 (J.Z.)
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15
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Abstract
Human activity and modern production contribute to the formation of a certain amount of waste that can be recycled to obtain useful products and energy sources. Today, the higher the level of industrial development, the greater the amount of waste generated, and as a result, the more important the need for disposal. A similar pattern is typical for any human production activity; as a result of large-scale production, at least 70–80% of waste is generated in relation to the amount of raw materials used. The large-scale use of polymeric materials and the plastic waste generated after their use lead to environmental pollution. While a small part of the waste is utilized naturally due to the vital activity of soil microorganisms, and a part is purposefully processed by humans into products for various purposes, a fairly large amount of waste occupies large areas in the form of a variety of garbage. After the removal of garbage by incineration, the liberated territories cannot be transferred to agricultural land due to the high content of harmful contaminants. The harm to the environment is quite obvious. In practice, certain types of waste consist of more than 70% content of valuable substances that can find further practical application in a wide variety of industries.
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16
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Experimental and simulation analysis of biogas production from beverage wastewater sludge for electricity generation. Sci Rep 2022; 12:9107. [PMID: 35650251 PMCID: PMC9160279 DOI: 10.1038/s41598-022-12811-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2021] [Accepted: 05/05/2022] [Indexed: 11/09/2022] Open
Abstract
This study assessed the biogas and methane production potential of wastewater sludge generated from the beverage industry. The optimization of the biogas production potential of a single fed-batch anaerobic digester was operated at different temperatures (25, 35, and 45 ℃), pH (5.5, 6.5, 7.5, 8.5, and 9.5), and organic feeding ratio (1:3, 1:4, 1:5, and 1:6) with a hydraulic retention time of 30 days. The methane and biogas productivity of beverage wastewater sludge in terms of volatile solid (VS) and volume was determined. The maximum production of biogas (15.4 m3/g VS, 9.3 m3) and methane content (6.3 m3/g VS, 3.8 m3) were obtained in terms of VS and volume at 8.5, 35 ℃, 1:3 of optimal pH, temperature, and organic loading ratio, respectively. Furthermore, the maximum methane content (7.4 m3/g VS, 4.4 m3) and biogas production potential (17.9 m3/g VS, 10.8 m3) were achieved per day at room temperature. The total biogas and methane at 35 ℃ (30 days) are 44.3 and 10.8 m3/g VS, respectively, while at 25 ℃ (48 days) increased to 67.3 and 16.1 m3/g VS, respectively. Furthermore, the electricity-generating potential of biogas produced at room temperature (22.1 kWh at 24 days) and optimum temperature (18.9 kWh) at 40 days was estimated. The model simulated optimal HRT (25 days) in terms of biogas and methane production at optimum temperature was in good agreement with the experimental results. Thus, we can conclude that the beverage industrial wastewater sludge has a huge potential for biogas production and electrification.
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17
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Hao T, Xiao Y, Varjani S. Transiting from the inhibited steady-state to the steady-state through the ammonium bicarbonate mediation in the anaerobic digestion of low-C/N-ratio food wastes. BIORESOURCE TECHNOLOGY 2022; 351:127046. [PMID: 35337997 DOI: 10.1016/j.biortech.2022.127046] [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: 01/27/2022] [Revised: 03/16/2022] [Accepted: 03/17/2022] [Indexed: 06/14/2023]
Abstract
The current study aimed to determine the effects of NH4+ on anaerobic digestion (AD) metabolism and the feasibility of using NH4HCO3 to improve methane production in an AD system when treating a low-C/N-ratio food waste (FW). Increasing the ammonium concentration (500-1000 mg NH4Cl-N/L) added into the AD system did not limit the methane production but caused the volatile fatty acid (VFA) accumulation, forming an "inhibited steady-state" system. The addition of 200 mg NH4HCO3-N/L increased methane yield by 20% by aiding the microbial oxidation of VFAs. The high acetate content (65-85%) and abundance of acetoclastic methanogens (Methanosaeta and Methanosarcina) indicated an efficient acetoclastic methanogenesis process, which was facilitated by NH4HCO3. The long-term operation of the AD system demonstrated that NH4HCO3, at a concentration of 200 mg N/L, was capable of forming an active buffer system with NH4+ and VFAs, enhancing methane production (221 ± 86 mL/g VS).
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Affiliation(s)
- Tianwei Hao
- Department of Civil and Environmental Engineering, Faculty of Science and Technology, University of Macau, Macau, PR China
| | - Yihang Xiao
- Department of Civil and Environmental Engineering, Faculty of Science and Technology, University of Macau, Macau, PR China.
| | - Sunita Varjani
- Gujarat Pollution Control Board, Gandhinagar, Gujarat 382 010, India
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18
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Donkor KO, Gottumukkala LD, Lin R, Murphy JD. A perspective on the combination of alkali pre-treatment with bioaugmentation to improve biogas production from lignocellulose biomass. BIORESOURCE TECHNOLOGY 2022; 351:126950. [PMID: 35257881 DOI: 10.1016/j.biortech.2022.126950] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/13/2021] [Revised: 03/01/2022] [Accepted: 03/02/2022] [Indexed: 06/14/2023]
Abstract
Anaerobic digestion (AD) is a bioprocess technology that integrates into circular economy systems, which produce renewable energy and biofertilizer whilst reducing greenhouse gas emissions. However, improvements in biogas production efficiency are needed in dealing with lignocellulosic biomass. The state-of-the-art of AD technology is discussed, with emphasis on feedstock digestibility and operational difficulty. Solutions to these challenges including for pre-treatment and bioaugmentation are reviewed. This article proposes an innovative integrated system combining alkali pre-treatment, temperature-phased AD and bioaugmentation techniques. The integrated system as modelled has a targeted potential to achieve a biodegradability index of 90% while increasing methane production by 47% compared to conventional AD. The methane productivity may also be improved by a target reduction in retention time from 30 to 20 days. This, if realized has the potential to lower energy production cost and the levelized cost of abatement to facilitate an increased resource of sustainable commercially viable biomethane.
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Affiliation(s)
- Kwame O Donkor
- MaREI Centre, Environmental Research Institute, University College Cork, Cork, Ireland; Civil, Structural and Environmental Engineering, School of Engineering and Architecture, University College Cork, Cork, Ireland; Celignis Limited, Mill Court, Upper William Street, Limerick V94 N6D2, Ireland
| | | | - Richen Lin
- MaREI Centre, Environmental Research Institute, University College Cork, Cork, Ireland; Civil, Structural and Environmental Engineering, School of Engineering and Architecture, University College Cork, Cork, Ireland; Key Laboratory of Energy Thermal Conversion and Control of Ministry of Education, School of Energy and Environment, Southeast University, Nanjing 211189, PR China.
| | - Jerry D Murphy
- MaREI Centre, Environmental Research Institute, University College Cork, Cork, Ireland; Civil, Structural and Environmental Engineering, School of Engineering and Architecture, University College Cork, Cork, Ireland
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19
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Koul B, Yakoob M, Shah MP. Agricultural waste management strategies for environmental sustainability. ENVIRONMENTAL RESEARCH 2022; 206:112285. [PMID: 34710442 DOI: 10.1016/j.envres.2021.112285] [Citation(s) in RCA: 88] [Impact Index Per Article: 44.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/25/2021] [Revised: 09/09/2021] [Accepted: 10/18/2021] [Indexed: 05/27/2023]
Abstract
Globally, abundant agricultural wastes (AWs) are being generated each day to fulfil the increasing demands of the fast-growing population. The limited and/or improper management of the same has created an urgent need to devise strategies for their timely utilization and valorisation, for agricultural sustainability and human-food and health security. The AWs are generated from different sources including crop residue, agro-industries, livestock, and aquaculture. The main component of the crop residue and agro-industrial waste is cellulose, (the most abundant biopolymer), followed by lignin and hemicellulose (lignocellulosic biomass). The AWs and their processing are a global issue since its vast majority is currently burned or buried in soil, causing pollution of air, water and global warming. Traditionally, some crop residues have been used in combustion, animal fodder, roof thatching, composting, soil mulching, matchsticks and paper production. But, lignocellulosic biomass can also serve as a sustainable source of biofuel (biodiesel, bioethanol, biogas, biohydrogen) and bioenergy in order to mitigate the fossil fuel shortage and climate change issues. Thus, valorisation of lignocellulosic residues has the potential to influence the bioeconomy by producing value-added products including biofertilizers, bio-bricks, bio-coal, bio-plastics, paper, biofuels, industrial enzymes, organic acids etc. This review encompasses circular bioeconomy based various AW management strategies, which involve 'reduction', 'reusing' and 'recycling' of AWs to boost sustainable agriculture and minimise environmental pollution.
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Affiliation(s)
- Bhupendra Koul
- School of Bioengineering and Biosciences, Department of Biotechnology, Lovely Professional University, Phagwara, 144411, Punjab, India.
| | - Mohammad Yakoob
- School of Bioengineering and Biosciences, Department of Biotechnology, Lovely Professional University, Phagwara, 144411, Punjab, India
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20
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Biogas manufacture from co-digestion of untreated primary sludge with raw chicken manure under anaerobic mesophilic environmental conditions. Saudi J Biol Sci 2022; 29:2969-2977. [PMID: 35531229 PMCID: PMC9073056 DOI: 10.1016/j.sjbs.2022.01.016] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2021] [Revised: 01/07/2022] [Accepted: 01/10/2022] [Indexed: 12/31/2022] Open
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21
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Baniamerian H, Ghofrani-Isfahani P, Tsapekos P, Alvarado-Morales M, Shahrokhi M, Angelidaki I. Multicomponent nanoparticles as means to improve anaerobic digestion performance. CHEMOSPHERE 2021; 283:131277. [PMID: 34182648 DOI: 10.1016/j.chemosphere.2021.131277] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/31/2021] [Revised: 06/09/2021] [Accepted: 06/15/2021] [Indexed: 06/13/2023]
Abstract
Sufficient quantity of trace metals is essential for a well performing anaerobic digestion (AD) process. Among the essential trace elements in active sites of multiple important enzymes for AD are iron and nickel ions. In the present study, iron and nickel in the form of Fe2O3 and NiO were coated on TiO2 nanoparticles to be used in batch and continuous operation mode. The effect of TiO2, Fe2O3-TiO2, and NiO-TiO2 nanoparticles on each step of AD process was assessed utilizing simple substrates (i.e. cellulose, glucose, acetic acid, and mixture of H2-CO2) as well as complex ones (i.e. municipal biopulp). The hydrolysis rate of cellulose substrate increased with higher dosages of the coated TiO2 with both metals. For instance, the hydrolysis rate was increased up to 54% at Fe2O3-TiO2 and at a concentration of 23.5 mg/L for NiO-TiO2 it was increased up to 58%, while higher dosage suppressed the hydrolytic activity. Experimental results revealed that low dosages of NiO-TiO2 increased the accumulated methane production up to 24% probably by increasing the enzymatic activity of acetoclastic methanogenesis. NiO-TiO2 showed positive effect on batch and continuous AD of biopulp and improved methane yield up to 8%.
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Affiliation(s)
- Hamed Baniamerian
- Department of Chemical and Biochemical Engineering, Technical University of Denmark, Kgs. Lyngby, DK-2800, Denmark
| | - Parisa Ghofrani-Isfahani
- Department of Chemical and Biochemical Engineering, Technical University of Denmark, Kgs. Lyngby, DK-2800, Denmark; Department of Chemical and Petroleum Engineering, Sharif University of Technology, P.O. Box 11365-9465, Azadi Ave., Tehran, Iran
| | - Panagiotis Tsapekos
- Department of Chemical and Biochemical Engineering, Technical University of Denmark, Kgs. Lyngby, DK-2800, Denmark
| | - Merlin Alvarado-Morales
- Department of Chemical and Biochemical Engineering, Technical University of Denmark, Kgs. Lyngby, DK-2800, Denmark
| | - Mohammad Shahrokhi
- Department of Chemical and Petroleum Engineering, Sharif University of Technology, P.O. Box 11365-9465, Azadi Ave., Tehran, Iran.
| | - Irini Angelidaki
- Department of Chemical and Biochemical Engineering, Technical University of Denmark, Kgs. Lyngby, DK-2800, Denmark.
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22
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Szaja A, Montusiewicz A, Lebiocka M, Bis M. A combined anaerobic digestion system for energetic brewery spent grain application in co-digestion with a sewage sludge. WASTE MANAGEMENT (NEW YORK, N.Y.) 2021; 135:448-456. [PMID: 34624743 DOI: 10.1016/j.wasman.2021.09.034] [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: 07/19/2021] [Revised: 09/22/2021] [Accepted: 09/24/2021] [Indexed: 06/13/2023]
Abstract
In the present study, a combined technology for energetic brewery spent grain (BSG) use in co-digestion with sewage sludge (SS) was presented. A holistic approach that includes the impact of co-substrates and their carriers on the anaerobic digestion (AD) process, and the energetic aspects, was involved. Prior to AD, BSG was pretreated involving the hydrodynamic cavitation (HC); two different carriers were applied: MPW (municipal pre-settled wastewater) and mature landfill leachate (MLL). An orifice plate with a conical concentric hole of 3/10 mm (inlet/outlet diameter) was applied as cavitation device. The initial pressure was 7 bar and the number of recirculation passes through the cavitation zone was 30. The AD experiments were performed in semi-flow reactors, under mesophilic conditions at HRT of 20 and 21 d. In both co-digestion series, the constant co-substrate dose of 6% v/v was adopted. In the presence of cavitated BSG and MPW, a significant increase in biogas/methane production was provided as compared to SS mono-digestion, with the related improvement in kinetic constant by 3.5%. The average biogas yield was 0.48 ± 0.03 m3 kg-1 VS added, while in the control run 0.41 ± 0.03 m3 kg-1 VS added. Using cavitated BSG and MLL, such a beneficial effect was not observed. In both co-digestion series, slightly lower VS removal (as for the control) and stable process performance occurred. Moreover, the improved energy balance was provided. Due to the technological aspects, only co-digestion of cavitated BSG and MPW with SS is recommended for implementation into a full-scale.
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Affiliation(s)
- Aleksandra Szaja
- Faculty of Environmental Engineering, Lublin University of Technology, 20-618 Lublin, Nadbystrzycka 40 B, Poland.
| | - Agnieszka Montusiewicz
- Faculty of Environmental Engineering, Lublin University of Technology, 20-618 Lublin, Nadbystrzycka 40 B, Poland
| | - Magdalena Lebiocka
- Faculty of Environmental Engineering, Lublin University of Technology, 20-618 Lublin, Nadbystrzycka 40 B, Poland
| | - Marta Bis
- Faculty of Environmental Engineering, Lublin University of Technology, 20-618 Lublin, Nadbystrzycka 40 B, Poland
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23
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The Effect of Detoxification of Lignocellulosic Biomass for Enhanced Methane Production. ENERGIES 2021. [DOI: 10.3390/en14185650] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
The aim of this research is to examine the effect of lignocellulosic biomass detoxification on the efficiency of the methane fermentation process. Both for corn straw and rye straw, the methane yield was expressed per volume of fermentation medium and per mass of volatile solids (VS) added. Lignocellulosic biomass was subjected of thermo-chemical and enzymatic sequential pretreatments. It was found that methane yield was higher by 22% when using the detoxification process. In these variants, CH4 yield was 18.86 L/L for corn straw and 17.69 L/L for rye straw; while methane yield expressed per mass of VS added was 0.31 m3/kg VS for corn straw and 0.29 m3/kg VS for rye straw. The inclusion of a detoxification step in pretreatments of biomass lignocellulosic increases the degree of organic substance decomposition and enhances methane yield. The results show that a two-step pretreatment, alkaline/enzymatic with a detoxification process, is necessary for the effective generation of high methane concentration biogas.
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24
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Barozzi M, Contini S, Raboni M, Torretta V, Casson Moreno V, Copelli S. Integration of Recursive Operability Analysis, FMECA and FTA for the Quantitative Risk Assessment in biogas plants: Role of procedural errors and components failures. J Loss Prev Process Ind 2021. [DOI: 10.1016/j.jlp.2021.104468] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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25
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Amo-Duodu G, Rathilal S, Chollom MN, Kweinor Tetteh E. Application of metallic nanoparticles for biogas enhancement using the biomethane potential test. SCIENTIFIC AFRICAN 2021. [DOI: 10.1016/j.sciaf.2021.e00728] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023] Open
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26
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Abstract
Pakistan is facing a severe energy crisis due to its heavy dependency on the import of costly fossil fuels, which ultimately leads to expansive electricity generation, a low power supply, and interruptive load shedding. In this regard, the utilization of available renewable energy resources within the country for production of electricity can lessen this energy crisis. Livestock waste/manure is considered the most renewable and abundant material for biogas generation. Pakistan is primarily an agricultural country, and livestock is widely kept by the farming community, in order to meet their needs. According to the 2016–2018 data on the livestock population, poultry held the largest share at 45.8%, followed by buffaloes (20.6%), cattle (12.7%), goats (10.8%), sheep (8.4%), asses (1.3%), camels (0.25%), horses (0.1%), and mules (0.05%). Different animals produce different amounts of manure, based upon their size, weight, age, feed, and type. The most manure is produced by cattle (10–20 kg/day), while poultry produce the least (0.08–0.1 kg/day). Large quantities of livestock manure are produced from each province of Pakistan; Punjab province was the highest contributor (51%) of livestock manure in 2018. The potential livestock manure production in Pakistan was 417.3 million tons (Mt) in 2018, from which 26,871.35 million m3 of biogas could be generated—with a production potential of 492.6 petajoules (PJ) of heat energy and 5521.5 MW of electricity. Due to its favorable conditions for biodigester technologies, and through the appropriate development of anaerobic digestion, the currently prevailing energy crises in Pakistan could be eliminated.
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Pan SY, Tsai CY, Liu CW, Wang SW, Kim H, Fan C. Anaerobic co-digestion of agricultural wastes toward circular bioeconomy. iScience 2021; 24:102704. [PMID: 34258548 PMCID: PMC8253966 DOI: 10.1016/j.isci.2021.102704] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Abstract
A huge amount of agricultural wastes and waste activated-sludge are being generated every year around the world. Anaerobic co-digestion (AcD) has been considered as an alternative for the utilization of organic matters from such organic wastes by producing bioenergy and biochemicals to realize a circular bioeconomy. Despite recent advancement in AcD processes, the effect of feedstock compositions and operating conditions on the biomethane production processe has not been critically explored. In this paper, we have reviewed the effects of feedstock (organic wastes) characteristics, including particle size, carbon-to-nitrogen ratio, and pretreatment options, on the performance of an anaerobic digestion process. In addition, we provided an overview of the effect of key control parameters, including retention time, temperature, pH of digestate, volatile fatty acids content, total solids content, and organic loading rate. Lastly, based on the findings from the literature, we have presented several perspectives and prospects on priority research to promote AcD to a steppingstone for a circular bioeconomy.
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Affiliation(s)
- Shu-Yuan Pan
- Department of Bioenvironmental Systems Engineering, National Taiwan University, No. 1, Section 4, Roosevelt Road, Taipei 10617, Taiwan (ROC)
| | - Cheng-Yen Tsai
- Graduate Institute of Environmental Engineering, National Taiwan University, No. 1, Section 4, Roosevelt Road, Taipei 10617, Taiwan (ROC)
| | - Chen-Wuing Liu
- Department of Bioenvironmental Systems Engineering, National Taiwan University, No. 1, Section 4, Roosevelt Road, Taipei 10617, Taiwan (ROC)
| | - Sheng-Wei Wang
- Department of Water Resources and Environmental Engineering, Tamkang University, New Taipei City 25137, Taiwan (ROC)
| | - Hyunook Kim
- Department of Environmental Engineering, The University of Seoul, 163, Seoulsiripdae‑ro, Dongdaemun‑gu, Seoul 02504, South Korea
| | - Chihhao Fan
- Department of Bioenvironmental Systems Engineering, National Taiwan University, No. 1, Section 4, Roosevelt Road, Taipei 10617, Taiwan (ROC)
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Rahman MA, Shahazi R, Nova SNB, Uddin MR, Hossain MS, Yousuf A. Biogas production from anaerobic co-digestion using kitchen waste and poultry manure as substrate-part 1: substrate ratio and effect of temperature. BIOMASS CONVERSION AND BIOREFINERY 2021; 13:6635-6645. [PMID: 34127942 PMCID: PMC8189274 DOI: 10.1007/s13399-021-01604-9] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/16/2021] [Revised: 05/19/2021] [Accepted: 05/25/2021] [Indexed: 06/07/2023]
Abstract
The rapidly declining fossil fuels are no longer able to meet the ever-increasing energy demand. Moreover, they are considered responsible for greenhouse gas (GHG) emission, contributing to the global warming. On the other hand, organic wastes, such as kitchen waste (KW) and poultry manure (PM), represent considerable pollution threat to the environment, if not properly managed. Therefore, anaerobic co-digestion of KW and PM could be a sustainable way of producing clean and renewable energy in the form of biogas while minimizing environmental impact. In this study, the anaerobic co-digestion of KW with PM was studied to assess the rate of cumulative biogas (CBG) production and methane percentage in four digester setups (D1, D2, D3, and D4) operated in batch mode. Each digester setup consisted of five parallelly connected laboratory-scale digesters having a capacity of 1 L each. The digester setups were fed with KW and PM at ratios of 1:0 (D1), 1:1 (D2), 2:1 (D3), and 3:1 (D4) at a constant loading rate of 300 mg/L with 50 gm cow manure (CM) as inoculum and were studied at both room temperature (28 °C) and mesophilic temperature (37 °C) over 24 days. The co-digestion of KW with PM demonstrated a synergistic effect which was evidenced by a 16% and 74% increase in CBG production and methane content, respectively, in D2 over D1. The D3 with 66.7% KW and 33.3% PM produced the highest CBG and methane percentage (396 ± 8 mL and 36%) at room temperature. At mesophilic condition, all the digesters showed better performance, and the highest CBG (920 ± 11 mL) and methane content (48%) were observed in D3. The study suggests that co-digestion of KW and PM at mesophilic condition might be a promising way to increase the production of biogas with better methane composition by ensuring nutrient balance, buffering capacity, and stability of the digester.
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Affiliation(s)
- Md Anisur Rahman
- Department of Chemical Engineering and Polymer Science, Shahjalal University of Science and Technology, Sylhet, 3114 Bangladesh
| | - Razu Shahazi
- Department of Chemical Engineering and Polymer Science, Shahjalal University of Science and Technology, Sylhet, 3114 Bangladesh
| | - Syada Noureen Basher Nova
- Department of Chemical Engineering and Polymer Science, Shahjalal University of Science and Technology, Sylhet, 3114 Bangladesh
| | - M. Rakib Uddin
- Department of Chemical Engineering and Polymer Science, Shahjalal University of Science and Technology, Sylhet, 3114 Bangladesh
- Department of Engineering, Universita Degli Studi Di Napoli “Parthenope”, Napoli- 80143, Italy
| | - Md Shahadat Hossain
- Department of Chemical Engineering and Polymer Science, Shahjalal University of Science and Technology, Sylhet, 3114 Bangladesh
| | - Abu Yousuf
- Department of Chemical Engineering and Polymer Science, Shahjalal University of Science and Technology, Sylhet, 3114 Bangladesh
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29
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State of the Art Research on Sustainable Use of Water Hyacinth: A Bibliometric and Text Mining Analysis. INFORMATICS 2021. [DOI: 10.3390/informatics8020038] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
This study aims to present a systematic data-driven bibliometric analysis of the water hyacinth (Eichhornia crassipes) infestation problem around the globe. As many solutions are being proposed in academia for its management, mitigation, and utilization, it requires investigation through a systematic scrutinizing lens. In this study, literature records from 1977 to June 2020 concerning research on water hyacinth are taken from Scopus for text analysis. Trends in the publication of different article types, dynamics of publication, clustering, correlation, and co-authoring patterns between different countries are observed. The cluster analysis indicated four clusters viz. (i) ecological works related to species, (ii) pollutant removal process and methods, (iii) utilization of biofuels for biogas production, and (iv) modelling works. It is clear from the networking analysis that most of the publications regarding water hyacinth are from India, followed by China and the United States. Sentiment analysis with the AFINN lexicon showed that the negative sentiment towards the aquatic weed has intensified over time. An exploratory analysis was performed using a bigram network plot, depicting and outlining different important domains of water hyacinth research. Water hyacinth research has passed the pioneering phase and is now at the end of a steady growth phase or at the beginning of an acceleration phase. In this article, an overview is given for the entirety of water hyacinth research, with an indication of future trends and possibilities.
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Yamane T, Yoshida N, Sugioka M. Estimation of total energy requirement for sewage treatment by a microbial fuel cell with a one-meter air-cathode assuming Michaelis-Menten COD degradation. RSC Adv 2021; 11:20036-20045. [PMID: 35479885 PMCID: PMC9033653 DOI: 10.1039/d1ra03061b] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2021] [Accepted: 05/30/2021] [Indexed: 12/18/2022] Open
Abstract
Calculations of chemical oxygen demand (COD) degradation in sewage by a microbial fuel cell (MFC) were used to estimate the total energy required for treatment of the sewage. Mono-exponential regression (MER) and the Michaelis-Menten equation (MME) were used to describe the MFC's COD removal rate (CRR). The tubular MFC used in this study (ϕ 5.0 × 100 cm) consisted of an air core surrounding a carbon-based cathode, an anion exchange membrane, and graphite non-woven fabric immersed in sewage. The MFC generated 0.26 A m-2 of the electrode area and 0.32 W m-3 of the sewage water, and 3.9 W h m-3 in a chemostat reactor supplemented continuously with sewage containing 180 mg L-1 of COD with a hydraulic retention time (HRT) of 12 h. The COD removal and coulombic efficiency (CE) were 46% and 19%, respectively, and the energy generation efficiency (EGE) was 0.054 kW h kg-1-COD. The CRR and current in the MFC were strongly dependent on the COD, which could be controlled by varying the HRT. The MER model predicted first-order rate constants of 0.054 and 0.034 for reactors with and without MFC, respectively. The difference in these values indicated that using MFC significantly increased the COD removal. The results of fitting the experimental data to the MME suggested that the total COD can be separated into nondegradable CODs (C n) and degradable CODs (C d) via MFC. The values of CRR for C d and CE suggest that MFC pretreatment for 12 hours prior to aeration results in a 75% decrease in net energy consumption while reducing sewage COD from 180 to 20 mg L-1.
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Affiliation(s)
- Taiki Yamane
- Department of Civil and Environmental Engineering, Nagoya Institute of Technology (Nitech) Gokiso-Cho, Showa-Ku Nagoya Aichi Japan
| | - Naoko Yoshida
- Department of Civil and Environmental Engineering, Nagoya Institute of Technology (Nitech) Gokiso-Cho, Showa-Ku Nagoya Aichi Japan
| | - Mari Sugioka
- Department of Civil and Environmental Engineering, Nagoya Institute of Technology (Nitech) Gokiso-Cho, Showa-Ku Nagoya Aichi Japan
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31
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Improvement of Biogas Quality and Quantity for Small-Scale Biogas-Electricity Generation Application in off-Grid Settings: A Field-Based Study. ENERGIES 2021. [DOI: 10.3390/en14113088] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Small-scale electrical power generation (<100 kW) from biogas plants to provide off-grid electricity is of growing interest. Currently, gas engines are used to meet this demand. Alternatively, more efficient small-scale solid oxide fuel cells (SOFCs) can be used to enhance electricity generation from small-scale biogas plants. Most electricity generators require a constant gas supply and high gas quality in terms of absence of impurities like H2S. Therefore, to efficiently use the biogas from existing decentralized anaerobic digesters for electricity production, higher quality and stable biogas flow must be guaranteed. The installation of a biogas upgrading and buffer system could be considered; however, the cost implication could be high at a small scale as compared to locally available alternatives such as co-digestion and improved digester operation. Therefore, this study initially describes relevant literature related to feedstock pre-treatment, co-digestion and user operational practices of small-scale digesters, which theoretically could lead to major improvements of anaerobic digestion process efficiency. The theoretical preamble is then coupled to the results of a field study, which demonstrated that many locally available resources and user practices constitute frugal innovations with potential to improve biogas quality and digester performance in off-grid settings.
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Abanades S, Abbaspour H, Ahmadi A, Das B, Ehyaei MA, Esmaeilion F, El Haj Assad M, Hajilounezhad T, Jamali DH, Hmida A, Ozgoli HA, Safari S, AlShabi M, Bani-Hani EH. A critical review of biogas production and usage with legislations framework across the globe. INTERNATIONAL JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY : IJEST 2021; 19:3377-3400. [PMID: 34025745 PMCID: PMC8124099 DOI: 10.1007/s13762-021-03301-6] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/10/2020] [Revised: 03/25/2021] [Accepted: 03/30/2021] [Indexed: 05/30/2023]
Abstract
This review showcases a comprehensive analysis of studies that highlight the different conversion procedures attempted across the globe. The resources of biogas production along with treatment methods are presented. The effect of different governing parameters like feedstock types, pretreatment approaches, process development, and yield to enhance the biogas productivity is highlighted. Biogas applications, for example, in heating, electricity production, and transportation with their global share based on national and international statistics are emphasized. Reviewing the world research progress in the past 10 years shows an increase of ~ 90% in biogas industry (120 GW in 2019 compared to 65 GW in 2010). Europe (e.g., in 2017) contributed to over 70% of the world biogas generation representing 64 TWh. Finally, different regulations that manage the biogas market are presented. Management of biogas market includes the processes of exploration, production, treatment, and environmental impact assessment, till the marketing and safe disposal of wastes associated with biogas handling. A brief overview of some safety rules and proposed policy based on the world regulations is provided. The effect of these regulations and policies on marketing and promoting biogas is highlighted for different countries. The results from such studies show that Europe has the highest promotion rate, while nowadays in China and India the consumption rate is maximum as a result of applying up-to-date policies and procedures.
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Affiliation(s)
- S. Abanades
- Processes, Materials, and Solar Energy Laboratory, PROMES-CNRS, 7 Rue du Four Solaire, 66120 Font-Romeu, France
| | - H. Abbaspour
- Department of Biology, Faculty of Biological Science, North Tehran Branch, Islamic Azad University, Tehran, Iran
| | - A. Ahmadi
- School of New Technologies, Iran University of Science & Technology, Tehran, Islamic Republic of Iran
| | - B. Das
- Department of Mechanical Engineering, National Institute of Technology Silchar, Silchar, Asaam 788010 India
| | - M. A. Ehyaei
- Department of Mechanical Engineering, Pardis Branch, Islamic Azad University, Pardis New City, Iran
| | - F. Esmaeilion
- Department of Energy Systems Engineering, School of Advance Technologies, Iran University of Science & Technology (IUST), Tehran, Iran
| | - M. El Haj Assad
- Sustainable & Renewable Energy Engineering Department, University of Sharjah, Sharjah, United Arab Emirates
| | - T. Hajilounezhad
- Department of Mechanical & Aerospace Engineering, University of Missouri, Columbia, MO USA
| | - D. H. Jamali
- School of Environment, College of Engineering, University of Tehran, Tehran, Iran
| | - A. Hmida
- R, L. Applied Thermodynamic, National Engineering School of Gabes, University of Gabes, Gabes, Tunisia
| | - H. A. Ozgoli
- Department of Mechanical Engineering, Iranian Research Organization for Science and Technology (IROST), Sh. Ehsani Rad St., Enqelab StParsa SqAhmadabad Mostoufi RdAzadegan Highway, 3313193685 Tehran, Iran
| | - S. Safari
- Department of Energy Engineering, Faculty of Natural Resources and Environment, Science and Research Branch, Islamic Azad University (IAU), Daneshgah Blvd, Simon Bolivar Blvd, 1477893855 Tehran, Iran
| | - M. AlShabi
- Department of Mechanical and Nuclear Engineering, University of Sharjah, Sharjah, UAE
| | - E. H. Bani-Hani
- Department of Mechanical Engineering, School of Engineering, Australian College of Kuwait, Kuwait City, Kuwait
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Ajay CM, Mohan S, Dinesha P. Decentralized energy from portable biogas digesters using domestic kitchen waste: A review. WASTE MANAGEMENT (NEW YORK, N.Y.) 2021; 125:10-26. [PMID: 33667979 DOI: 10.1016/j.wasman.2021.02.031] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/31/2020] [Revised: 02/16/2021] [Accepted: 02/17/2021] [Indexed: 06/12/2023]
Abstract
Anaerobic digestion is one of the main waste-to-energy technologies in reducing the volume of biodegradable waste into energy-rich biogas. Recent studies have revealed that kitchen wastes as a feedstock possess great potential in energy production and anaerobic digestion proved to be a promising technology among different kitchen waste management techniques such as incineration, pyrolysis, gasification, landfills, composting, etc. To anaerobically treat feedstock, an airtight enclosed container commonly known as biodigester will be employed. To suffice the energy requirement for cooking in the rural areas and recently even in the urban areas, a small-scale biogas unit commonly referred to as portable type biodigester is blooming as an attractive alternative for the production of biogas domestically. Hence, this review emphasizes on anaerobic digestion of kitchen wastes and the design of portable type biodigester. The present review provides an overview of different kitchen waste management techniques. The paper also discusses the different types of biomass feedstock and provides a generalized procedure for the design of a portable biogas unit. This study confirms that the systematic design of biogas units and proper feeding of kitchen waste offers an advantage of effective utilization of wastes in the production of decentralized energy.
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Affiliation(s)
- C M Ajay
- Department of Mechanical and Manufacturing Engineering, Manipal Institute of Technology, Manipal Academy of Higher Education, Manipal 576104, India
| | - Sooraj Mohan
- Department of Mechanical and Manufacturing Engineering, Manipal Institute of Technology, Manipal Academy of Higher Education, Manipal 576104, India
| | - P Dinesha
- Department of Mechanical and Manufacturing Engineering, Manipal Institute of Technology, Manipal Academy of Higher Education, Manipal 576104, India.
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Khounani Z, Hosseinzadeh-Bandbafha H, Nazemi F, Shaeifi M, Karimi K, Tabatabaei M, Aghbashlo M, Lam SS. Exergy analysis of a whole-crop safflower biorefinery: A step towards reducing agricultural wastes in a sustainable manner. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2021; 279:111822. [PMID: 33348185 DOI: 10.1016/j.jenvman.2020.111822] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/09/2020] [Revised: 11/29/2020] [Accepted: 12/07/2020] [Indexed: 06/12/2023]
Abstract
The huge amount of agro-wastes generated due to expanding agricultural activities can potentially cause serious environmental and human health problems. Using the biorefinery concept, all parts of agricultural plants can be converted into multiple value-added bioproducts while reducing waste generation. This approach can be viewed as an effective strategy in developing and realizing a circular bioeconomy by accomplishing the dual goals of waste mitigation and energy recovery. However, the sustainability issue of biorefineries should still be thoroughly scrutinized using comprehensive resource accounting methods such as exergy-based approaches. In light of that, this study aims to conduct a detailed exergy analysis of whole-crop safflower biorefinery consisting of six units, i.e., straw handling, biomass pretreatment, bioethanol production, wastewater treatment, oil extraction, and biodiesel production. The analysis is carried out to find the major exergy sink in the developed biorefinery and discover the bottlenecks for further performance improvements. Overall, the wastewater treatment unit exhibits to be the major exergy sink, amounting to over 70% of the total thermodynamic irreversibility of the process. The biomass pretreatment and bioethanol production units account for 12.4 and 10.3% of the total thermodynamic inefficiencies of the process, respectively. The exergy rates associated with bioethanol, biodiesel, lignin, biogas, liquid digestate, seed cake, sodium sulfate, and glycerol are determined to be 5918.5, 16516.8, 10778.9, 1741.4, 6271.5, 15755.8, 3.4, and 823.5 kW, respectively. The overall exergetic efficiency of the system stands at 72.7%, demonstrating the adequacy of the developed biorefinery from the thermodynamic perspective.
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Affiliation(s)
- Zahra Khounani
- Henan Province Engineering Research Center for Forest Biomass Value-added Products, School of Forestry, Henan Agricultural University, Zhengzhou, 450002, China; Microbial Biotechnology Department, Agricultural Biotechnology Institute of Iran (ABRII), Agricultural Research, Education, and Extension Organization (AREEO), Karaj, Iran
| | | | - Farshid Nazemi
- Department of Chemical Engineering, Isfahan University of Technology, Isfahan, 84156-83111, Iran
| | - Marzieh Shaeifi
- Department of Chemical Engineering, Vrije Universiteit Brussel, 1050, Brussels, Belgium
| | - Keikhosro Karimi
- Department of Chemical Engineering, Isfahan University of Technology, Isfahan, 84156-83111, Iran; Department of Chemical Engineering, Vrije Universiteit Brussel, 1050, Brussels, Belgium
| | - Meisam Tabatabaei
- Henan Province Engineering Research Center for Forest Biomass Value-added Products, School of Forestry, Henan Agricultural University, Zhengzhou, 450002, China; Microbial Biotechnology Department, Agricultural Biotechnology Institute of Iran (ABRII), Agricultural Research, Education, and Extension Organization (AREEO), Karaj, Iran; Biofuel Research Team (BRTeam), Terengganu, Malaysia; Institute of Tropical Aquaculture and Fisheries (AKUATROP), Universiti Malaysia Terengganu, 21030, Kuala Nerus, Terengganu, Malaysia.
| | - Mortaza Aghbashlo
- Henan Province Engineering Research Center for Forest Biomass Value-added Products, School of Forestry, Henan Agricultural University, Zhengzhou, 450002, China; Department of Agricultural Machinery Engineering, Faculty of Agricultural Engineering and Technology, College of Agriculture & Natural Resources, University of Tehran, Karaj, Iran.
| | - Su Shiung Lam
- Henan Province Engineering Research Center for Forest Biomass Value-added Products, School of Forestry, Henan Agricultural University, Zhengzhou, 450002, China; Institute of Tropical Aquaculture and Fisheries (AKUATROP), Universiti Malaysia Terengganu, 21030, Kuala Nerus, Terengganu, Malaysia.
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Szaja A, Montusiewicz A, Lebiocka M, Bis M. The effect of brewery spent grain application on biogas yields and kinetics in co-digestion with sewage sludge. PeerJ 2021; 8:e10590. [PMID: 33391884 PMCID: PMC7761201 DOI: 10.7717/peerj.10590] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2020] [Accepted: 11/25/2020] [Indexed: 11/20/2022] Open
Abstract
The present study examines the effect of introducing dried brewery spent grain (BSG), known as the main solid by-product of the brewery industry on biogas yields and kinetics in co-digestion with sewage sludge (SS). The experiment was conducted in semi-continuous anaerobic reactors (supplied once a day) operating under mesophilic conditions (35°C) at different hydraulic retention times (HRT) of 18 and 20 d. In co-digestion runs, the BSG mass to the feed volume ratio was constant and maintained 1:10.The results indicated that the addition of BSG did not influence the biogas production, by comparison with SS mono-digestion (control run). At HRT of 18 d, in the co-digestion run, the average methane yield was 0.27 m3 kg/VSadded, while in the control run the higher value of 0.29 m3 kg/VSaddedwas observed. However, there was no difference in terms of statistical significance. At HRT of 20 d, the methane yield was 0.21 m3 kg/VSadded for both mono- and co-digestion runs. In the BSG presence, the decrease in kinetic constant values was observed. As compared to SS mono-digestion, reductions by 21 and 35% were found at HRT of 20 and 18 d, respectively. However, due to the supplementation of the feedstock with BSG rich in organic compounds, the significantly enhanced energy profits were achieved with the highest value of approx. 40% and related to the longer HRT of 20 d. Importantly, the mono- and co-digestion process proceeded in stable manner. Therefore, the anaerobic co-digestion of SS and BSG might be considered as a cost-effective solution that could contribute to the energy self-efficiency of wastewater treatment plants (WWTPs) and sustainable waste management for breweries.
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Affiliation(s)
- Aleksandra Szaja
- Faculty of Environmental Engineering, Lublin University of Technology, Lublin, Poland
| | | | - Magdalena Lebiocka
- Faculty of Environmental Engineering, Lublin University of Technology, Lublin, Poland
| | - Marta Bis
- Faculty of Environmental Engineering, Lublin University of Technology, Lublin, Poland
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36
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Omine T, Kuroda K, Hatamoto M, Yamaguchi T, Yamauchi M, Yamada M. Reduction of alkalinity supplementation for acid-based wastewater treatment using a thermophilic multi-feed upflow anaerobic sludge blanket reactor. ENVIRONMENTAL TECHNOLOGY 2021; 42:32-42. [PMID: 31094666 DOI: 10.1080/09593330.2019.1620864] [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: 11/15/2018] [Accepted: 05/13/2019] [Indexed: 06/09/2023]
Abstract
Generally, Shochu distillery wastewater treatment is required the addition of alkalinity agents for an increase of pH in the UASB reactor. However, to reduce the cost of alkalinity supplementation, cost-effective reactor operation method has been desired. This study aimed to reduce the alkalinity supplementation for a thermophilic (55°C) multi-feed up-flow anaerobic sludge blanket (MF UASB) reactor for the low-cost treatment of the wastewater from the production of the Japanese distilled alcohol called shochu. Shochu distillery wastewater contains high concentrations of organics (46,500-57,600 mgCOD L-1; COD: chemical oxygen demand) and volatile fatty acids (16,200-25,000 mgCOD L-1), and low pH (4.1-4.5). With alkalinity supplementation of 0.045 mgCaCO3 mgCOD-1 using 24% NaOH, the MF UASB reactor achieved an 87 ± 2% COD removal rate with an organic loading rate of 24 kgCOD m-3 day-1 for 554 days reactor operation (hydraulic retention time of 10 h and influent concentration of 10,000 mgCOD L-1). The organic removal rate decreased to 19 ± 3% in the MF UASB reactor when alkalinity supplementation was reduced to 0.015 mgCaCO3·mgCOD-1. In this study , the minimum alkalinity supplementation was 0.045 mgCaCO3 mgCOD-1 at an organic loading rate of 24 kgCOD m-3 day-1.
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Affiliation(s)
- Takanori Omine
- Department of Urban Environmental Design and Engineering, National Institute of Technology, Kagoshima College, Kirishima, Japan
- Department of Civil and Environmental Engineering, Nagaoka University of Technology, Nagaoka, Japan
| | - Kyohei Kuroda
- Department of Chemical Science and Engineering, National Institute of Technology, Miyakonojo College, Miyakonojo, Japan
| | - Masashi Hatamoto
- Top Runner Incubation Center for Academia-Industry Fusion, Nagaoka University of Technology, Nagaoka, Japan
| | - Takashi Yamaguchi
- Department of Science of Technology Innovation, Nagaoka University of Technology, Nagaoka, Japan
| | - Masahito Yamauchi
- Department of Urban Environmental Design and Engineering, National Institute of Technology, Kagoshima College, Kirishima, Japan
| | - Masayoshi Yamada
- Department of Urban Environmental Design and Engineering, National Institute of Technology, Kagoshima College, Kirishima, Japan
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Matsakas L, Sarkar O, Jansson S, Rova U, Christakopoulos P. A novel hybrid organosolv-steam explosion pretreatment and fractionation method delivers solids with superior thermophilic digestibility to methane. BIORESOURCE TECHNOLOGY 2020; 316:123973. [PMID: 32799045 DOI: 10.1016/j.biortech.2020.123973] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/13/2020] [Revised: 08/03/2020] [Accepted: 08/04/2020] [Indexed: 06/11/2023]
Abstract
Rising environmental concerns and the imminent depletion of fossil resources have sparked a strong interest towards the production of renewable energy such as biomethane. Inclusion of alternative feedstock's such as lignocellulosic biomass could further expand the production of biomethane. The present study evaluated the potential of a novel hybrid organosolv-steam explosion fractionation for delivering highly digestible pretreated solids from birch and spruce woodchips. The highest methane production yield was 176.5 mLCH4 gVS-1 for spruce and 327.2 mL CH4 gVS-1 for birch. High methane production rates of 1.0-6.3 mL min-1 (spruce) and 6.0-35.5 mL min-1 (birch) were obtained, leading to a rapid digestion, with 92% of total methane from spruce being generated in 80 h and 95% of that from birch in 120 h. These results demonstrate the elevated potential of the novel method to fractionate spruce and birch biomass and deliver cellulose-rich pretreated solids with superior digestibility.
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Affiliation(s)
- Leonidas Matsakas
- Biochemical Process Engineering, Division of Chemical Engineering, Department of Civil, Environmental, and Natural Resources Engineering, Luleå University of Technology, 971‑87 Luleå, Sweden.
| | - Omprakash Sarkar
- Biochemical Process Engineering, Division of Chemical Engineering, Department of Civil, Environmental, and Natural Resources Engineering, Luleå University of Technology, 971‑87 Luleå, Sweden
| | - Stina Jansson
- Department of Chemistry, Umeå University, 901 87 Umeå, Sweden
| | - Ulrika Rova
- Biochemical Process Engineering, Division of Chemical Engineering, Department of Civil, Environmental, and Natural Resources Engineering, Luleå University of Technology, 971‑87 Luleå, Sweden
| | - Paul Christakopoulos
- Biochemical Process Engineering, Division of Chemical Engineering, Department of Civil, Environmental, and Natural Resources Engineering, Luleå University of Technology, 971‑87 Luleå, Sweden
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Doloman A, Mahajan A, Pererva Y, Flann NS, Miller CD. A Model for Bioaugmented Anaerobic Granulation. Front Microbiol 2020; 11:566826. [PMID: 33117315 PMCID: PMC7575707 DOI: 10.3389/fmicb.2020.566826] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2020] [Accepted: 08/21/2020] [Indexed: 11/16/2022] Open
Abstract
Anaerobic granular sludge comprises of highly organized microorganisms with a sophisticated metabolic network. Such aggregates can withstand storage, temperature fluctuations and changes in the substrate supplied for anaerobic digestion. However, substrate change leads to long adaptation of granular consortia, creating lags in the reactor operations. To speed up adaptation and increase digestion efficiency, bioaugmentation with a robust consortium can be performed. The computational study described here aims to elucidate the mechanisms of bioaugmenting anaerobic granules, utilizing the current body of knowledge on metabolic and biochemical interactions between bacteria in such aggregates. Using a cDynoMiCs simulation environment, an agent-based model was developed to describe bioaugmentation for adaptation of cellobiose-degrading granular consortium to a lipid-rich feed. Lipolytic bacteria were successfully incorporated in silico to the stable granular consortia after 40 days of simulation. The ratio of cellobiose and the lipid-derivative, oleate, in the feed played key role to ensure augmentation. At 0.5 g/L of both cellobiose and oleate in the feed, a homogeneous stable augmented consortium was formed and converted the given amount of substrate to 10.9 mg/L of methane as a final product of anaerobic digestion. The demonstrated model can be used as a planning tool for anaerobic digestion facilities considering transition of the inoculum to a new type of feed.
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Affiliation(s)
- Anna Doloman
- Department of Biological Engineering, Utah State University, Logan, UT, United States
| | - Amitesh Mahajan
- Department of Computer Science, Utah State University, Logan, UT, United States
| | - Yehor Pererva
- Department of Biological Engineering, Utah State University, Logan, UT, United States
| | - Nicholas S Flann
- Department of Computer Science, Utah State University, Logan, UT, United States
| | - Charles D Miller
- Department of Biological Engineering, Utah State University, Logan, UT, United States
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Kouzi AI, Puranen M, Kontro MH. Evaluation of the factors limiting biogas production in full-scale processes and increasing the biogas production efficiency. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2020; 27:28155-28168. [PMID: 32415437 PMCID: PMC7334254 DOI: 10.1007/s11356-020-09035-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/17/2019] [Accepted: 04/22/2020] [Indexed: 06/11/2023]
Abstract
Biogas production from sewage sludge volatile solids (VS) by anaerobic digestion slows down towards the end of the process, among inhibitory factors being pH increase upon ammonia accumulation, poorly digestible biomaterials, and high fixed solid (FS) content. The possibility of concentrating the digested sludge VS (41.7-56.6% on a dry weight basis) by surface and bottom layer separation with biogas post-production was studied. Furthermore, the potential to recycle concentrated VS and digested sludge back to the process after adjusting pH 7.0 to optimal for biogas-producing microbes and after acid, alkali, thermal, and sonolytic treatments was examined. In general, pH 7.0 control alone improved biogas production from the recycled digested sludge the most. An equally good improvement in biogas production was achieved by recycling the digested sludge, which had been heated until ammonia had evaporated and the pH dropped to 7.0 (1-2 h, 75 °C), and at the same time, VS was degraded. The biogas production from the sonicated and recycled sludge was almost as good as from the pH-adjusted, or heat-treated recycled sludge. After the acid and base treatments of the digested sludge, the recycled sludge yielded often the lowest biogas volume, as the added chemicals increased the FS concentration, which proved to be a more important inhibitory factor than poorly degradable VS. The high FS content significantly reduced the benefits of the treatments. By separating the surface and bottom layers with biogas post-production, the surface layer of VS was concentrated to 51.6-61.8%, while different compositions of the layers affected the biogas production.
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Affiliation(s)
- Afamia I Kouzi
- Faculty of Biological and Environmental Sciences, Ecosystems and Environment Research Programme, University of Helsinki, Niemenkatu 73, 15140, Lahti, Finland
| | | | - Merja H Kontro
- Faculty of Biological and Environmental Sciences, Ecosystems and Environment Research Programme, University of Helsinki, Niemenkatu 73, 15140, Lahti, Finland.
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40
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Impact of C/N ratios and organic loading rates of paper, cardboard and tissue wastes in batch and CSTR anaerobic digestion with food waste on their biogas production and digester stability. SN APPLIED SCIENCES 2020. [DOI: 10.1007/s42452-020-03232-w] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
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41
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Morales-Polo C, Cledera-Castro MDM, Hueso-Kortekaas K, Revuelta-Aramburu M. Anaerobic digestion in wastewater reactors of separated organic fractions from wholesale markets waste. Compositional and batch characterization. Energy and environmental feasibility. THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 726:138567. [PMID: 32481205 DOI: 10.1016/j.scitotenv.2020.138567] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/08/2020] [Revised: 04/05/2020] [Accepted: 04/07/2020] [Indexed: 06/11/2023]
Abstract
The food industry is one of the major industrial sectors in Europe and Spain, and therefore one of the major waste emitters, especially organic ones that can be classified into three different fractions (fruit and vegetables, meat and fish). One way to treat this waste environmentally responsible, energy-sustainable and economically cost-effective is anaerobic digestion. The generated biogas can be used as fuel and renewable energy source (providing a solution to the energy problem from an environmental point of view). As there must be a sewage treatment plant with anaerobic digesters in the wholesale markets, and if waste is treated on it, these facilities can be converted into power generators. It has been studied that, when treated along with sludge from a UASB reactor, the residue of fruit and vegetables produces about 900 ml per 100 g of residue with a stable and robust process; the meat residue generates 1300 ml of biogas per 100 g with a process that is slightly affected by the accumulation of acidic elements, internally reversed by the buffer effect of ammonia released; and the fish residue generates 700 ml of biogas, but with very low novels of methane since the process is inhibited early by excessive accumulation of ammonia. The proposed solution is positive, and the methods used to determine it are novel and robust, such as the use of hydrogen as an indicator of process stability. A deep characterization of the development of the process is provided, and feasibility for its application at the industrial level is studied. It is thus proven that wholesale markets can be converted into power generating plants up to 600 kW, assuming a reduction of up to 70 tons of CO2 equivalent (50%) if the generated biogas is used, replacing a conventional source such as natural gas.
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Affiliation(s)
- Carlos Morales-Polo
- Institute for Research in Technology (IIT), Comillas Pontifical University, Madrid, Spain; Rafael Mariño Chair for New Energy Technology, Comillas Pontifical University, Madrid, Spain; Department of Mechanical Engineering, ICAI School of Engineering, Comillas Pontifical University, Madrid, Spain.
| | - María Del Mar Cledera-Castro
- Institute for Research in Technology (IIT), Comillas Pontifical University, Madrid, Spain; Rafael Mariño Chair for New Energy Technology, Comillas Pontifical University, Madrid, Spain; Department of Mechanical Engineering, ICAI School of Engineering, Comillas Pontifical University, Madrid, Spain
| | - Katia Hueso-Kortekaas
- Department of Mechanical Engineering, ICAI School of Engineering, Comillas Pontifical University, Madrid, Spain
| | - Marta Revuelta-Aramburu
- Department of Mechanical Engineering, ICAI School of Engineering, Comillas Pontifical University, Madrid, Spain
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42
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Afridi ZUR, Qammar NW. Technical Challenges and Optimization of Biogas Plants. CHEMBIOENG REVIEWS 2020. [DOI: 10.1002/cben.202000005] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Zohaib Ur Rehman Afridi
- University of Engineering and Technology U.S.-Pakistan Center for Advanced Studies in Energy, Energy Management and Sustainability 25100 Peshawar Pakistan
| | - Naseha Wafa Qammar
- City University of Science & Information Technology Department of Electrical Engineering 25100 Peshawar Pakistan
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Saidi R, Hamdi M, Bouallagui H. Hyperthermophilic hydrogen production in a simplified reaction medium containing onion wastes as a source of carbon and sulfur. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2020; 27:17382-17392. [PMID: 32157539 DOI: 10.1007/s11356-020-08270-w] [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: 06/26/2019] [Accepted: 02/28/2020] [Indexed: 06/10/2023]
Abstract
In this study, the hyperthermophilic dark fermentation of onion wastes (OW) for hydrogen production was investigated. OW were used at different proportions in mixed fruit and vegetable wastes (FVW) to evaluate their effect on hydrogen production by Thermotoga maritima. Fermentations were performed in a pH-controlled batch stirred tank reactor (BSTR) using seawater as a simplified reaction medium. Results showed that increasing OW proportions in total fruit and vegetable wastes (tFVW) improved H2 production. Therefore, increasing the OW to tFVW ratio from 0 to 0.8 increased the cumulative H2 production from 109 to 223.6 mmol/L. The H2 productivity was also improved from 7.3 to 28.82 mmol/h.L. In fact, OW contain carbohydrates, sulfur compounds, and other nutrients, which were used as a carbon source and energetic substrate for H2 production by the halophilic bacterium T. maritima in seawater without additional chemical compounds. Then, a H2 yield of 3.36 mol H2/mol hexose was achieved using 200 mL of OW, containing 55 mmol/L of carbohydrates. A concept of H2 production from FVW at high proportions of OW in a simplified reaction medium was proposed. It allowed a H2 yield of 209 LH2/kg volatile solids which could be an interesting future alternative to the current fossil fuel.
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Affiliation(s)
- Rafika Saidi
- Laboratoire d'Ecologie et de Technologie Microbienne LETMi, Université de Carthage, INSAT, B.P. 676, 1080, Tunis, Tunisia
| | - Moktar Hamdi
- Laboratoire d'Ecologie et de Technologie Microbienne LETMi, Université de Carthage, INSAT, B.P. 676, 1080, Tunis, Tunisia
| | - Hassib Bouallagui
- Laboratoire d'Ecologie et de Technologie Microbienne LETMi, Université de Carthage, INSAT, B.P. 676, 1080, Tunis, Tunisia.
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44
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Martin-Ryals AD, Schideman LC, Ong M. Utilizing bioaugmentation to improve performance of a two-phase AnMBR treating sewage sludge. ENVIRONMENTAL TECHNOLOGY 2020; 41:1322-1336. [PMID: 30301429 DOI: 10.1080/09593330.2018.1533041] [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: 03/07/2018] [Accepted: 09/12/2018] [Indexed: 06/08/2023]
Abstract
Bioaugmentation in the acid-phase of a two-phase anaerobic membrane bioreactor (AnMBR) treating primary sludge was investigated as a means for targeting and improving hydrolysis and acetogenesis. Bioaugmentation was carried out using a proprietary bioculture blend containing a mixture of hydrolytic, acidogenic, and acetogenic microorganisms. This mixture was added on its own and in combination with recycled anaerobic sludge from the methane-phase of the AnMBR. Both bioaugmentation strategies had a positive effect on overall hydrolysis (25-38%), and acid-phase acetic acid generation (31-52%) compared to operation without bioaugmentation. This led to subsequent increases in average methane production (10-13%), and greater average solids reduction (25-55%). Microbial community analysis using 16S Illumina MiSeq generated sequences revealed increased relative abundance of Acetobacter and Syntrophomonas species in bioaugmented communities, suggesting these to be key players in improvements in process performance. However, in general the relative abundance of bioaugmented microorganisms within bioaugmented communities was relatively low, highlighting the need to optimize the bioculture composition and dosage. Overall, bioaugmentation was found to benefit the conversion of primary sludge to methane, when initial solubility was relatively low. Future work should optimize the bioculture composition and dosing strategy to improve its effectiveness and long-term stability, and minimize associated operating costs.
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Affiliation(s)
- Ana D Martin-Ryals
- Department of Agricultural and Biological Engineering, University of Illinois Urbana-Champaign, Urbana, IL, USA
| | - Lance C Schideman
- Department of Agricultural and Biological Engineering, University of Illinois Urbana-Champaign, Urbana, IL, USA
| | - Matthew Ong
- Department of Agricultural and Biological Engineering, University of Illinois Urbana-Champaign, Urbana, IL, USA
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45
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Giwa AS, Ali N, Vakili M, Guo X, Liu D, Wang K. Opportunities for holistic waste stream valorization from food waste treatment facilities: a review. REV CHEM ENG 2020. [DOI: 10.1515/revce-2019-0064] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Abstract
Difficult-to-biodegrade fractions (DBFs) generated from the biological treatment of food waste (FW) account for approximately 30% of the actual waste. These wastes are difficult to degrade or are considered indigestible residues of the aerobic and anaerobic fermentation treatment of FW treatment facilities. The currently applied disposal routes for DBFs exert environmental pressure and underutilize waste as resources. Therefore, these challenges must be overcome. An innovative strategy for the enhancement of the energy value and beneficial products from FW and the associated DBFs is proposed in this review. We propose conceptual future optimization routes for FW and DBFs via three types of technology integration. Pyrolysis techniques thoroughly treat DBFs to produce various value-added bio-energy products, such as pyrogenic bio-char, syngas, and bio-oil. Anaerobic digestion treats FW while utilizing pyrolysis products for robust performance enhancement and bio-methane upgrade. This holistic route offers conceptual information and proper direction as crucial knowledge for real application to harness the inherent resources of waste streams generated from FW treatment facilities.
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Affiliation(s)
- Abdulmoseen Segun Giwa
- Green Intelligence Environmental School , Yangtze Normal University , Chongqing 408100 , China
- State Key Joint Laboratory of Environment Simulation and Pollution Control, School of Environment , Tsinghua University , Beijing 100084 , China
| | - Nasir Ali
- State Key Joint Laboratory of Environment Simulation and Pollution Control, School of Environment , Tsinghua University , Beijing 100084 , China
- Key Laboratory of Biofuels , Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences , Qingdao 266101 , China
| | - Mohammadtaghi Vakili
- Green Intelligence Environmental School , Yangtze Normal University , Chongqing 408100 , China
| | - Xiaogang Guo
- College of Chemistry and Chemical Engineering, Yangtze Normal University , Chongqing 408003 , China
| | - Dongsheng Liu
- Green Intelligence Environmental School , Yangtze Normal University , Chongqing 408100 , China
| | - Kaijun Wang
- State Key Joint Laboratory of Environment Simulation and Pollution Control, School of Environment , Tsinghua University , Beijing 100084 , China
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46
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Enzymatic pretreatment and anaerobic co-digestion as a new technology to high-methane production. Appl Microbiol Biotechnol 2020; 104:4235-4246. [DOI: 10.1007/s00253-020-10526-x] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2020] [Revised: 02/25/2020] [Accepted: 03/03/2020] [Indexed: 02/08/2023]
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47
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Response Surface Methodology to Optimize Methane Production from Mesophilic Anaerobic Co-Digestion of Oily-Biological Sludge and Sugarcane Bagasse. SUSTAINABILITY 2020. [DOI: 10.3390/su12052116] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Oily-biological sludge (OBS) generated from petroleum refineries has high toxicity. Therefore, it needs an appropriate disposal method to reduce the negative impacts on the environment. The anaerobic co-digestion process is an effective method that manages and converts organic waste to energy. For effective anaerobic digestion, a co-substrate would be required to provide a suitable environment for anaerobic bacteria. In oily-biological sludge, the carbon/nitrogen (C/N) ratio and volatile solids (VS) content are very low. Therefore, it needs to be digested with organic waste that has a high C/N ratio and high VS content. This study investigates the use of sugarcane bagasse (SB) as an effective co-substrate due to its high C/N ratio and high VS content to improve the anaerobic co-digestion process with oily-biological sludge. The sugarcane bagasse also helps to delay the toxicity effect of the methane bacteria. Batch anaerobic co-digestion of oily-biological sludge was conducted with sugarcane bagasse as a co-substrate in twelve reactors with two-liter capacity, each under mesophilic conditions. The interaction effect of a C/N ratio of 20-30 and a VS co-substrate/VS inoculum ratio of 0.06-0.18 on the methane yield (mL CH4/g VSremoved) was investigated. Before the anaerobic digestion, thermochemical pre-treatment of the inoculum and co-substrate was conducted using sodium hydroxide to balance their acidic nature and provide a suitable pH environment for methane bacteria. Design and optimization for the mixing ratios were carried out by central composite design-response surface methodology (CCD-RSM). The highest predicted methane yield was found to be 63.52 mL CH4/g VSremoved, under optimum conditions (C/N ratio of 30 and co-substrate/inoculum ratio of 0.18).
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48
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Carotenuto C, Guarino G, D'Amelia LI, Morrone B, Minale M. The peculiar role of C/N and initial pH in anaerobic digestion of lactating and non-lactating water buffalo manure. WASTE MANAGEMENT (NEW YORK, N.Y.) 2020; 103:12-21. [PMID: 31864011 DOI: 10.1016/j.wasman.2019.12.008] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/07/2019] [Revised: 11/26/2019] [Accepted: 12/04/2019] [Indexed: 06/10/2023]
Abstract
Manure from lactating and non-lactating water buffaloes was separately collected from a single dairy farm and anaerobically digested under mesophilic conditions in batch mode to produce biogas. This substrate, scarcely studied in the literature, showed two peculiarities regarding two fundamental parameters in the digestion processes: C/N ratio and initial pH. Typically, optimal C/N varies from 20 to 30, but in this work an almost negligible role of this ratio is observed. We demonstrated it by investigating a very large C/N interval, from 9.7 to 50.1, not by adding selected nutrients to the system, but exploiting the natural variation of the substrate. Concerning the pH, we show that also typically considered unfavorable conditions are feasible for this substrate. In fact, though neutral-basic initial pH is proved to be optimal to run the digestion process, in line with many other kinds of dungs, also acid initial pH leads to satisfactory CH4 yield. This is principally related to the capability of water buffalo manure of auto-modifying the pH to neutrality during the digestion, when initial pH of 5.0 and 6.0 are considered. This aspect may be relevant in co-digestion processes with acid wastes, since it may allow not adding neither a buffer, nor a pH regulator to the system. All the digestion conditions are separately tested with lactating and non-lactating water buffaloes and no statistical meaningful differences exist between the two kinds of cattle.
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Affiliation(s)
- Claudia Carotenuto
- Dipartimento di Ingegneria, Università della Campania "Luigi Vanvitelli", Via Roma 29, 81031 Aversa, Caserta, Italy.
| | - Giovanna Guarino
- Dipartimento di Ingegneria, Università della Campania "Luigi Vanvitelli", Via Roma 29, 81031 Aversa, Caserta, Italy
| | - Luisa I D'Amelia
- Dipartimento di Ingegneria, Università della Campania "Luigi Vanvitelli", Via Roma 29, 81031 Aversa, Caserta, Italy
| | - Biagio Morrone
- Dipartimento di Ingegneria, Università della Campania "Luigi Vanvitelli", Via Roma 29, 81031 Aversa, Caserta, Italy
| | - Mario Minale
- Dipartimento di Ingegneria, Università della Campania "Luigi Vanvitelli", Via Roma 29, 81031 Aversa, Caserta, Italy
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Paulista LO, Boaventura RAR, Vilar VJP, Pinheiro ALN, Martins RJE. Enhancing methane yield from crude glycerol anaerobic digestion by coupling with ultrasound or A. niger/E. coli biodegradation. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2020; 27:1461-1474. [PMID: 31749007 DOI: 10.1007/s11356-019-06748-w] [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: 05/20/2019] [Accepted: 10/11/2019] [Indexed: 06/10/2023]
Abstract
Anaerobic digestion of crude glycerol from biodiesel production is a feasible way for methane production. However, crude glycerol (CG) contains impurities, such as long-chain fatty acids (LCFA) that can inhibit methanogenic microorganisms. Ultrasound promotes the hydrolysis of LCFA and deagglomerates the microorganisms in biological flocs. Furthermore, Aspergillus niger and Escherichia coli produce lipases capable of degrading LCFA. This study aims at improving the methane yield from anaerobic digestion by coupling with ultrasound or E. coli/A. niger biodegradation. The effect of the different treatments was first assessed in a perfectly mixed batch reactor (PMBR), using diluted CG at concentrations of 0.2%, 1.7%, and 3.2% (v/v). Later, the best conditions were replicated in an upflow anaerobic sludge blanket (UASB) reactor to simulate full-scale practical applications. Experiments in the PMBR showed that ultrasound or A. niger biodegradation steps improved methane yield up to 11% for 0.2% CG and 99% for 1.7% CG, respectively. CG biodegradation by E. coli inhibited the subsequent anaerobic digestion for all concentrations tested. Using a UASB digester, ultrasonic treatment of CG led to an average increase of 29% in methane production. The application of ultrasound led to a lower accumulation of propionic acid in the digested material and increased biogas production. On the other hand, an average 77% increase in methane production was achieved using a preliminary CG biodegradation step by A. niger, when operated at a loading rate of 2.9 kg COD m-3 day-1. Under these conditions, an energy gain of 0.48 kWh day-1, with the production of the 0.434 m3 CH4 kg-1 CODremoval and 0.573 m3 CH4 kg-1 VS, and a biogas quality of 73% in methane were obtained. The digested material was analyzed for the detection and quantification of added-value by-products in order to obtain a broad assessment of the CG valorization through anaerobic digestion. In some experiments, propionic and oxalic acid were detected. However, the accumulation of propionic caused the inhibition of the acetogenic and methanogenic microorganisms.
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Affiliation(s)
- Larissa O Paulista
- Laboratory of Separation and Reaction Engineering-Laboratory of Catalysis and Materials (LSRE-LCM), Department of Chemical Engineering, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, 4200-465, Porto, Portugal
| | - Rui A R Boaventura
- Laboratory of Separation and Reaction Engineering-Laboratory of Catalysis and Materials (LSRE-LCM), Department of Chemical Engineering, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, 4200-465, Porto, Portugal
| | - Vítor J P Vilar
- Laboratory of Separation and Reaction Engineering-Laboratory of Catalysis and Materials (LSRE-LCM), Department of Chemical Engineering, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, 4200-465, Porto, Portugal
| | - Alexei L N Pinheiro
- Departamento de Química, Universidade Tecnológica Federal do Paraná, Campus Londrina, Av. dos Pioneiros 3131, Londrina, 86036-370, Brazil
| | - Ramiro J E Martins
- Laboratory of Separation and Reaction Engineering-Laboratory of Catalysis and Materials (LSRE-LCM), Department of Chemical Engineering, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, 4200-465, Porto, Portugal.
- Department of Chemical and Biological Technology, Superior School of Technology, Polytechnic Institute of Bragança, Campus de Santa Apolónia, 5300-253, Bragança, Portugal.
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50
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Kushkevych I, Cejnar J, Vítězová M, Vítěz T, Dordević D, Bomble YJ. Occurrence of Thermophilic Microorganisms in Different Full Scale Biogas Plants. Int J Mol Sci 2019; 21:E283. [PMID: 31906223 PMCID: PMC6981860 DOI: 10.3390/ijms21010283] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2019] [Revised: 12/26/2019] [Accepted: 12/30/2019] [Indexed: 11/16/2022] Open
Abstract
BACKGROUND In recent years, various substrates have been tested to increase the sustainable production of biomethane. The effect of these substrates on methanogenesis has been investigated mainly in small volume fermenters and were, for the most part, focused on studying the diversity of mesophilic microorganisms. However, studies of thermophilic communities in large scale operating mesophilic biogas plants do not yet exist. METHODS Microbiological, biochemical, biophysical methods, and statistical analysis were used to track thermophilic communities in mesophilic anaerobic digesters. RESULTS The diversity of the main thermophile genera in eight biogas plants located in the Czech Republic using different input substrates was investigated. In total, 19 thermophilic genera were detected after 16S rRNA gene sequencing. The highest percentage (40.8%) of thermophiles was found in the Modřice biogas plant where the input substrate was primary sludge and biological sludge (50/50, w/w %). The smallest percentage (1.87%) of thermophiles was found in the Čejč biogas plant with the input substrate being maize silage and liquid pig manure (80/20, w/w %). CONCLUSIONS The composition of the anaerobic consortia in anaerobic digesters is an important factor for the biogas plant operator. The present study can help characterizing the impact of input feeds on the composition of microbial communities in these plants.
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Affiliation(s)
- Ivan Kushkevych
- Department of Experimental Biology, Faculty of Science, Masaryk University, 62500 Brno, Czech Republic; (J.C.); (M.V.)
| | - Jiří Cejnar
- Department of Experimental Biology, Faculty of Science, Masaryk University, 62500 Brno, Czech Republic; (J.C.); (M.V.)
| | - Monika Vítězová
- Department of Experimental Biology, Faculty of Science, Masaryk University, 62500 Brno, Czech Republic; (J.C.); (M.V.)
| | - Tomáš Vítěz
- Department of Agricultural, Food and Environmental Engineering, Faculty of AgriSciences, Mendel University, 61300 Brno, Czech Republic;
| | - Dani Dordević
- Department of Plant Origin Foodstuffs Hygiene and Technology, Faculty of Veterinary Hygiene and Ecology, University of Veterinary and Pharmaceutical Sciences, 61242 Brno, Czech Republic;
| | - Yannick J. Bomble
- Bioscience Center, National Renewable Energy Laboratory, 16253 Denver West Parkway, Golden, CO 80401, USA;
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