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Tian K, Zhang J, Zhou C, Yang M, Zhang X, Yan X, Zang L. Magnetic nitrogen-doped activated carbon improved biohydrogen production. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:87215-87227. [PMID: 37420156 DOI: 10.1007/s11356-023-28584-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/26/2022] [Accepted: 06/29/2023] [Indexed: 07/09/2023]
Abstract
Low biological hydrogen (bioH2) production due to non-optimal metabolic pathways occurs frequently. In this work, magnetic nitrogen-doped activated carbon (MNAC) was prepared and added into the inoculated sludge with glucose as substrate to enhance hydrogen (H2) yield by mesophilic dark fermentation (DF). The highest H2 yield appeared in 400 mg/L AC (252.8 mL/g glucose) and 600 mg/L MNAC group (304.8 mL/g glucose), which were 26.02% and 51.94% higher than that of 0 mg/L MNAC group (200.6 mL/g glucose). The addition of MNAC allowed for efficient enrichment of Firmicutes and Clostridium-sensu-stricto-1, accelerating the metabolic pathway shifted towards butyrate type. The Fe ions released by MNAC facilitated electron transfer and favored the reduction of ferredoxin (Fd), thereby obtaining more bioH2. Finally, the generation of [Fe-Fe] hydrogenase and cellular components of H2-producing microbes (HPM) during homeostasis was discussed to understand on the use of MNAC in DF system.
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Affiliation(s)
- Kexin Tian
- College of Environmental Science and Engineering, Qilu University of Technology (Shandong Academy of Sciences), No.3501 Daxue Road, Jinan, 250353, China
- Engineering Laboratory of Clean Energy for Light Industrial Wastes of Shandong, Jinan, 250353, China
| | - Jishi Zhang
- College of Environmental Science and Engineering, Qilu University of Technology (Shandong Academy of Sciences), No.3501 Daxue Road, Jinan, 250353, China.
- Engineering Laboratory of Clean Energy for Light Industrial Wastes of Shandong, Jinan, 250353, China.
| | - Chen Zhou
- College of Environmental Science and Engineering, Qilu University of Technology (Shandong Academy of Sciences), No.3501 Daxue Road, Jinan, 250353, China
- Engineering Laboratory of Clean Energy for Light Industrial Wastes of Shandong, Jinan, 250353, China
| | - Mengchen Yang
- College of Environmental Science and Engineering, Qilu University of Technology (Shandong Academy of Sciences), No.3501 Daxue Road, Jinan, 250353, China
- Engineering Laboratory of Clean Energy for Light Industrial Wastes of Shandong, Jinan, 250353, China
| | - Xiaoying Zhang
- College of Environmental Science and Engineering, Qilu University of Technology (Shandong Academy of Sciences), No.3501 Daxue Road, Jinan, 250353, China
- Engineering Laboratory of Clean Energy for Light Industrial Wastes of Shandong, Jinan, 250353, China
| | - Xiao Yan
- College of Environmental Science and Engineering, Qilu University of Technology (Shandong Academy of Sciences), No.3501 Daxue Road, Jinan, 250353, China
- Engineering Laboratory of Clean Energy for Light Industrial Wastes of Shandong, Jinan, 250353, China
| | - Lihua Zang
- College of Environmental Science and Engineering, Qilu University of Technology (Shandong Academy of Sciences), No.3501 Daxue Road, Jinan, 250353, China
- Engineering Laboratory of Clean Energy for Light Industrial Wastes of Shandong, Jinan, 250353, China
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Zhu W, Van Tendeloo M, Alloul A, Vlaeminck SE. Feasibility of a return-sludge nursery concept for mainstream anammox biostimulation: creating optimal conditions for anammox to recover and grow in a parallel tank. BIORESOURCE TECHNOLOGY 2023:129359. [PMID: 37343792 DOI: 10.1016/j.biortech.2023.129359] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/25/2023] [Revised: 06/09/2023] [Accepted: 06/16/2023] [Indexed: 06/23/2023]
Abstract
To overcome limiting anammox activity, a return-sludge nursery concept is proposed. This concept blends reject water treated with partial nitritation with mainstream effluent to increase the temperature, N levels, and EC of the anammox nursery reactor, which sludge periodically passes through the return sludge line of the mainstream system. Various nursery frequencies were tested in two 2.5 L reactors, including 0.5-2 days of nursery treatment per 3.5-14 days of the total operation. Bioreactor experiments showed that nursery increased nitrogen removal rates during mainstream operation by 33-38%. The increased anammox activity can be partly (35-60%) explained by higher temperatures. Elevated EC, higher nitrogen concentrations, and a putative synergy and/or unknown factor were responsible for 15-16%, 12-14%, and 10-36%, respectively. A relatively stable microbial community dominated by "Candidatus Brocadia" was observed. This new concept boosted activity and sludge growth, which may facilitate mainstream anammox implementations based on partial nitritation/anammox or partial nitrification/denitratation/anammox.
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Affiliation(s)
- Weiqiang Zhu
- Research Group of Sustainable Energy, Air and Water Technology, Department of Bioscience Engineering, University of Antwerp, Groenenborgerlaan 171, 2020 Antwerpen, Belgium; School of Water Conservancy and Environment, University of Jinan, Jinan 250022, PR China
| | - Michiel Van Tendeloo
- Research Group of Sustainable Energy, Air and Water Technology, Department of Bioscience Engineering, University of Antwerp, Groenenborgerlaan 171, 2020 Antwerpen, Belgium
| | - Abbas Alloul
- Research Group of Sustainable Energy, Air and Water Technology, Department of Bioscience Engineering, University of Antwerp, Groenenborgerlaan 171, 2020 Antwerpen, Belgium
| | - Siegfried E Vlaeminck
- Research Group of Sustainable Energy, Air and Water Technology, Department of Bioscience Engineering, University of Antwerp, Groenenborgerlaan 171, 2020 Antwerpen, Belgium.
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3
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Kim HH, Saha S, Hwang JH, Hosen MA, Ahn YT, Park YK, Khan MA, Jeon BH. Integrative biohydrogen- and biomethane-producing bioprocesses for comprehensive production of biohythane. BIORESOURCE TECHNOLOGY 2022; 365:128145. [PMID: 36257521 DOI: 10.1016/j.biortech.2022.128145] [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: 08/22/2022] [Revised: 10/10/2022] [Accepted: 10/11/2022] [Indexed: 06/16/2023]
Abstract
The production of biohythane, a combination of energy-dense hydrogen and methane, from the anaerobic digestion of low-cost organic wastes has attracted attention as a potential candidate for the transition to a sustainable circular economy. Substantial research has been initiated to upscale the process engineering to establish a hythane-based economy by addressing major challenges associated with the process and product upgrading. This review provides an overview of the feasibility of biohythane production in various anaerobic digestion systems (single-stage, dual-stage) and possible technologies to upgrade biohythane to hydrogen-enriched renewable natural gas. The main goal of this review is to promote research in biohythane production technology by outlining critical needs, including meta-omics and metabolic engineering approaches for the advancements in biohythane production technology.
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Affiliation(s)
- Hoo Hugo Kim
- Department of Earth Resources and Environmental Engineering, Hanyang University, Seoul 04763, Republic of Korea
| | - Shouvik Saha
- Department of Earth Resources and Environmental Engineering, Hanyang University, Seoul 04763, Republic of Korea
| | - Jae-Hoon Hwang
- Department of Civil, Environmental, and Construction Engineering, University of Central Florida, Orlando, FL 32816-2450, USA
| | - Md Aoulad Hosen
- Department of Microbiology, Hajee Mohammad Danesh Science and Technology University, Dinajpur, Bangladesh
| | - Yong-Tae Ahn
- Department of Earth Resources and Environmental Engineering, Hanyang University, Seoul 04763, Republic of Korea
| | - Young-Kwon Park
- School of Environmental Engineering, University of Seoul, Seoul 02504, Republic of Korea
| | - Moonis Ali Khan
- Chemistry Department, College of Science, King Saud University, Riyadh 11451, Saudi Arabia
| | - Byong-Hun Jeon
- Department of Earth Resources and Environmental Engineering, Hanyang University, Seoul 04763, Republic of Korea.
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4
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Jayachandran V, Basak N, De Philippis R, Adessi A. Novel strategies towards efficient molecular biohydrogen production by dark fermentative mechanism: present progress and future perspective. Bioprocess Biosyst Eng 2022; 45:1595-1624. [PMID: 35713786 DOI: 10.1007/s00449-022-02738-4] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2022] [Accepted: 05/27/2022] [Indexed: 01/05/2023]
Abstract
In the scenario of alarming increase in greenhouse and toxic gas emissions from the burning of conventional fuels, it is high time that the population drifts towards alternative fuel usage to obviate pollution. Hydrogen is an environment-friendly biofuel with high energy content. Several production methods exist to produce hydrogen, but the least energy intensive processes are the fermentative biohydrogen techniques. Dark fermentative biohydrogen production (DFBHP) is a value-added, less energy-consuming process to generate biohydrogen. In this process, biohydrogen can be produced from sugars as well as complex substrates that are generally considered as organic waste. Yet, the process is constrained by many factors such as low hydrogen yield, incomplete conversion of substrates, accumulation of volatile fatty acids which lead to the drop of the system pH resulting in hindered growth and hydrogen production by the bacteria. To circumvent these drawbacks, researchers have come up with several strategies that improve the yield of DFBHP process. These strategies can be classified as preliminary methodologies concerned with the process optimization and the latter that deals with pretreatment of substrate and seed sludge, bioaugmentation, co-culture of bacteria, supplementation of additives, bioreactor design considerations, metabolic engineering, nanotechnology, immobilization of bacteria, etc. This review sums up some of the improvement techniques that profoundly enhance the biohydrogen productivity in a DFBHP process.
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Affiliation(s)
- Varsha Jayachandran
- Department of Biotechnology, Dr. B. R. Ambedkar National Institute of Technology, Jalandhar, 144 027, Punjab, India
| | - Nitai Basak
- Department of Biotechnology, Dr. B. R. Ambedkar National Institute of Technology, Jalandhar, 144 027, Punjab, India.
| | - Roberto De Philippis
- Department of Agriculture, Food, Environment and Forestry, Florence University, Florence, Italy
| | - Alessandra Adessi
- Department of Agriculture, Food, Environment and Forestry, Florence University, Florence, Italy
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Berthomieu R, Pérez-Bernal MF, Santa-Catalina G, Desmond-Le Quéméner E, Bernet N, Trably E. Mechanisms underlying Clostridium pasteurianum's metabolic shift when grown with Geobacter sulfurreducens. Appl Microbiol Biotechnol 2021; 106:865-876. [PMID: 34939136 DOI: 10.1007/s00253-021-11736-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2021] [Revised: 12/08/2021] [Accepted: 12/11/2021] [Indexed: 10/19/2022]
Abstract
Recently, a study showed that glycerol fermentation by Clostridium pasteurianum could be metabolically redirected when the electroactive bacterium Geobacter sulfurreducens was added in the culture. It was assumed that this metabolic shift of the fermentative species resulted from an interspecies electron transfer. The aim of this study was to find out the mechanisms used for this interaction and how they affect the metabolism of C. pasteurianum. To get insights into the mechanisms involved, several coculture setups and RNA sequencing with differential expression analysis were performed. As a result, a putative interaction model was proposed: G. sulfurreducens produces cobamide molecules that possibly modify C. pasteurianum metabolic pathway at the key enzyme glycerol dehydratase, and affect its vanadium nitrogenase expression. In addition, the results suggested that G. sulfurreducens' electrons could enter C. pasteurianum through its transmembrane flavin-bound polyferredoxin and cellular cytochrome b5-rubredoxin interplay, putatively reinforcing the metabolic shift. Unravelling the mechanisms behind the interaction between fermentative and electroactive bacteria helps to better understand the role of bacterial interactions in fermentation setups. KEY POINTS: • C. pasteurianum-G. sulfurreducens interaction inducing a metabolic shift is mediated • C. pasteurianum's metabolic shift in coculture might be induced by cobamides • Electrons possibly enter C. pasteurianum through a multiflavin polyferredoxin.
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Affiliation(s)
| | | | | | | | | | - Eric Trably
- INRAE, Univ Montpellier, LBE, Narbonne, France.
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6
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Saravanan A, Senthil Kumar P, Khoo KS, Show PL, Femina Carolin C, Fetcia Jackulin C, Jeevanantham S, Karishma S, Show KY, Lee DJ, Chang JS. Biohydrogen from organic wastes as a clean and environment-friendly energy source: Production pathways, feedstock types, and future prospects. BIORESOURCE TECHNOLOGY 2021; 342:126021. [PMID: 34600315 DOI: 10.1016/j.biortech.2021.126021] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/03/2021] [Revised: 09/20/2021] [Accepted: 09/21/2021] [Indexed: 06/13/2023]
Abstract
Microbial fermentation of organic matter under anaerobic conditions is currently the prominent pathway for biohydrogen production. Organic matter present in waste residues is regarded as an economic feedstock for biohydrogen production by dark and photo fermentative bacteria. Agricultural residues, fruit wastes, vegetable wastes, industrial wastewaters, and other livestock residues are some of the organic wastes most commonly used for biohydrogen production due to their higher organic content and biodegradability. Appropriate pretreatments are required to enhance the performance of biohydrogen from complex organic wastes. Biohydrogen production could also be enhanced by optimizing operation conditions and the addition of essential nutrients and nanoparticles. This review describes the pathways of biohydrogen production, discusses the effect of organic waste sources used and microbes involved on biohydrogen production, along with addressing the key parameters, advantages, and difficulties in each biohydrogen production pathway.
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Affiliation(s)
- A Saravanan
- Department of Energy and Environmental Engineering, Saveetha School of Engineering, SIMATS, Chennai 602105, India
| | - P Senthil Kumar
- Department of Chemical Engineering, Sri Sivasubramaniya Nadar College of Engineering, Chennai 603110, India
| | - Kuan Shiong Khoo
- Department of Chemical Engineering, Faculty of Science and Engineering, University of Nottingham Malaysia, 43500 Semenyih, Selangor Darul Ehsan, Malaysia
| | - Pau-Loke Show
- Department of Chemical Engineering, Faculty of Science and Engineering, University of Nottingham Malaysia, 43500 Semenyih, Selangor Darul Ehsan, Malaysia
| | - C Femina Carolin
- Department of Chemical Engineering, Sri Sivasubramaniya Nadar College of Engineering, Chennai 603110, India
| | - C Fetcia Jackulin
- Department of Chemical Engineering, Adhiyamaan College of Engineering (Autonomous), Hosur 635130, Tamil Nadu, India
| | - S Jeevanantham
- Department of Energy and Environmental Engineering, Saveetha School of Engineering, SIMATS, Chennai 602105, India
| | - S Karishma
- Department of Biotechnology, Rajalakshmi Engineering College, Chennai, India
| | - Kuan-Yeow Show
- Puritek Research Institute, Puritec Co., Ltd., Nanjing, China
| | - Duu-Jong Lee
- Department of Chemical Engineering, National Taiwan University, Taipei, Taiwan; College of Technology and Engineering, National Taiwan Normal University, Taipei, Taiwan; Department of Mechanical Engineering, City University of Hong Kong, Kowloon Tang, Hong Kong
| | - Jo-Shu Chang
- Research Center for Smart Sustainable Circular Economy, Tunghai University, Taichung, Taiwan; Department of Chemical and Materials Engineering, Tunghai University, Taichung, Taiwan; Department of Chemical Engineering, National Cheng Kung University, Tainan, Taiwan.
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7
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Atasoy M, Cetecioglu Z. Bioaugmentation as a strategy for tailor-made volatile fatty acid production. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2021; 295:113093. [PMID: 34167052 DOI: 10.1016/j.jenvman.2021.113093] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/12/2021] [Revised: 05/24/2021] [Accepted: 06/14/2021] [Indexed: 06/13/2023]
Abstract
This study aimed to develop a novel strategy for tailor-made volatile fatty acid (VFA) composition. For this purpose, the mixed microbial culture was bioaugmented by Propionibacterium acidipropionici. Anaerobic sequencing batch reactors were operated with cheese wastewater under alkali pH. While the maximum propionic acid production almost four times increased (3779 ± 201 mgCODeq propionic acid/L in the bioaugmented reactor and 942 ± 172 mgCODeq propionic acid/L in the control reactor), there was no significant difference in VFA composition. The gene copy number of P.acidipropionici increased 20 times after the bioaugmentation. Furthermore, the gene copy number of P.acidipropionici was positively correlated with total VFA and isovaleric acid concentration. The relative abundance of family Flavobacteriaceae increased in the bioaugmented reactor, which might be caused by the syntrophic relation between Flavobacteriaceae and P. acidipropionici. The cycle analysis results showed that the shorter cycle (6h) could ensure the same efficiency.
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Affiliation(s)
- Merve Atasoy
- Department of Chemical Engineering, KTH Royal Institute of Technology, SE, 100 44, Sweden.
| | - Zeynep Cetecioglu
- Department of Chemical Engineering, KTH Royal Institute of Technology, SE, 100 44, Sweden
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8
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Habashy MM, Ong ES, Abdeldayem OM, Al-Sakkari EG, Rene ER. Food Waste: A Promising Source of Sustainable Biohydrogen Fuel. Trends Biotechnol 2021; 39:1274-1288. [PMID: 33992456 DOI: 10.1016/j.tibtech.2021.04.001] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2020] [Revised: 03/31/2021] [Accepted: 04/01/2021] [Indexed: 12/20/2022]
Abstract
Annually, approximately 1.3 billion tons of food is lost worldwide, accounting for one-third of annual food production. Therefore, turning food waste into energy is of enormous environmental significance because of its sustainable nature. Nutrients and organic acids present in food waste can be used to produce (bio)products such as biohydrogen through biological processes. However, our understanding of the production of biohydrogen from food waste through photofermentation and dark fermentation is still restricted. This comprehensive study aims to review the potential of food waste for biohydrogen production using microbial mediators, including a brief overview of process parameters that affect the (bio)hydrogen production pathway.
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Affiliation(s)
- Mahmoud M Habashy
- Department of Water Supply, Sanitation, and Environmental Engineering, IHE Delft Institute for Water Education, Westvest 7, 2611AX Delft, The Netherlands.
| | - Ee Shen Ong
- Department of Water Supply, Sanitation, and Environmental Engineering, IHE Delft Institute for Water Education, Westvest 7, 2611AX Delft, The Netherlands
| | - Omar M Abdeldayem
- Department of Water Supply, Sanitation, and Environmental Engineering, IHE Delft Institute for Water Education, Westvest 7, 2611AX Delft, The Netherlands
| | - Eslam G Al-Sakkari
- Chemical Engineering Department, Cairo University, Cairo University Road, 12613 Giza, Egypt
| | - Eldon R Rene
- Department of Water Supply, Sanitation, and Environmental Engineering, IHE Delft Institute for Water Education, Westvest 7, 2611AX Delft, The Netherlands
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Li Z, Gu J, Ding J, Ren N, Xing D. Molecular mechanism of ethanol-H 2 co-production fermentation in anaerobic acidogenesis: Challenges and perspectives. Biotechnol Adv 2020; 46:107679. [PMID: 33316366 DOI: 10.1016/j.biotechadv.2020.107679] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2020] [Revised: 12/04/2020] [Accepted: 12/07/2020] [Indexed: 12/29/2022]
Abstract
Ethanol-type fermentation (ETF) is one of three fermentation types during the acidogenesis of the anaerobic biological treatment. Ethanoligenens, a representative genus of ETF, displays acidophilic, autoaggregative, and ethanol-H2 co-producing characteristics and facilitates subsequent methanogenesis. Here, the latest advances in the molecular mechanisms of the metabolic regulation of ethanol-H2 co-producing bacteria based on multi-omics studies were comprehensively reviewed. Comparative genomics demonstrated a low genetic similarity between Ethanoligenens and other hydrogen-producing genera. FeFe‑hydrogenases (FeFe-H2ases) and pyruvate ferredoxin oxidoreductase (PFOR) played critical roles in the ethanol-H2 co-metabolic pathway of Ethanoligenens. Global transcriptome analysis revealed that highly expressed [FeFe]-H2ases and ferredoxins drove hydrogen production by Ethanoligenens at low pH conditions (4.0-4.5). Quantitative proteomic analysis also proved that this genus resists acetic acid-induced intracellular acidification through the up-regulated expression of pyrimidine metabolism related proteins. The autoaggregation of Ethanoligenen facilitated its granulation with acetate-oxidizing bacteria in co-culture systems and mitigated a fast pH drop, providing a new approach for solving a pH imbalance and improving hydrogen production. In-depth studies of the regulatory mechanism underlying ethanol-H2 co-production metabolism and the syntrophic interactions of ethanol-H2 co-producing Ethanoligenens with other microorganisms will provide insights into the improvement of bioenergy recovery in anaerobic biotechnology. The coupling of ETF with other biotechnologies, which based on the regulation of electron flow direction, syntrophic interaction, and metabolic flux, can be potential strategies to enhance the cascade recovery of energy and resources.
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Affiliation(s)
- Zhen Li
- State Key Laboratory of Urban Water Resource and Environment, School of Environment, Harbin Institute of Technology, Harbin 150090, China
| | - Jiayu Gu
- State Key Laboratory of Urban Water Resource and Environment, School of Environment, Harbin Institute of Technology, Harbin 150090, China
| | - Jie Ding
- State Key Laboratory of Urban Water Resource and Environment, School of Environment, Harbin Institute of Technology, Harbin 150090, China
| | - Nanqi Ren
- State Key Laboratory of Urban Water Resource and Environment, School of Environment, Harbin Institute of Technology, Harbin 150090, China
| | - Defeng Xing
- State Key Laboratory of Urban Water Resource and Environment, School of Environment, Harbin Institute of Technology, Harbin 150090, China.
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