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Choi Y, Kim D, Choi H, Cha J, Baek G, Lee C. Comparative study of exoelectrogenic utilization preferences and hydrogen conversion among major fermentation products in microbial electrolysis cells. BIORESOURCE TECHNOLOGY 2024; 393:130032. [PMID: 38013038 DOI: 10.1016/j.biortech.2023.130032] [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: 09/22/2023] [Revised: 11/14/2023] [Accepted: 11/15/2023] [Indexed: 11/29/2023]
Abstract
This study comparatively investigated the exoelectrogenic utilization and hydrogen conversion of major dark fermentation products (acetate, propionate, butyrate, lactate, and ethanol) from organic wastes in dual-chamber microbial electrolysis cells (MECs) alongside their mixture as a simulated dark fermentation effluent (DFE). Acetate-fed MECs showed the highest hydrogen yield (1,465 mL/g chemical oxygen demand), near the theoretical maximum yield, with the highest coulombic efficiency (105%) and maximum current density (7.9 A/m2), followed by lactate-fed, propionate-fed, butyrate-fed, mixture-fed, and ethanol-fed MECs. Meanwhile, the highest hydrogen production rate (514 mL/L anolyte∙d) was observed in ethanol-fed MECs despite their lower coulombic efficiency. Butyrate was the least favored substrate, followed by propionate, leading to significantly delayed startup and reaction. The active anodic microbial community structure varied considerably among the MECs utilizing different substrates, particularly between Geobacter and Acetobacterium dominance. The results highlight the substantial effect of the DFE composition on its utilization and current-producing bioanode development.
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Affiliation(s)
- Yunjeong Choi
- Department of Civil, Urban, Earth, and Environmental Engineering, UNIST, Ulsan 44919, Republic of Korea
| | - Danbee Kim
- Department of Civil, Urban, Earth, and Environmental Engineering, UNIST, Ulsan 44919, Republic of Korea; Gwangju Clean Energy R&D Center, Korea Institute of Energy Research, Gwangju 61003, Republic of Korea
| | - Hyungmin Choi
- Department of Civil, Urban, Earth, and Environmental Engineering, UNIST, Ulsan 44919, Republic of Korea
| | - Junho Cha
- Department of Civil, Urban, Earth, and Environmental Engineering, UNIST, Ulsan 44919, Republic of Korea
| | - Gahyun Baek
- Department of Integrative Biotechnology, Sungkyunkwan University, Suwon 16419, Republic of Korea.
| | - Changsoo Lee
- Department of Civil, Urban, Earth, and Environmental Engineering, UNIST, Ulsan 44919, Republic of Korea; Graduate School of Carbon Neutrality, UNIST, Ulsan 44919, Republic of Korea.
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2
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Llamas M, Greses S, Magdalena JA, González-Fernández C, Tomás-Pejó E. Microbial co-cultures for biochemicals production from lignocellulosic biomass: A review. BIORESOURCE TECHNOLOGY 2023; 386:129499. [PMID: 37460020 DOI: 10.1016/j.biortech.2023.129499] [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: 05/30/2023] [Revised: 07/12/2023] [Accepted: 07/15/2023] [Indexed: 07/31/2023]
Abstract
Global reliance on fossil oil should shift to cleaner alternatives to get a decarbonized society. One option to achieve this ambitious goal is the use of biochemicals produced from lignocellulosic biomass (LCB). The inherent low biodegradability of LCB and the inhibitory compounds that might be released during pretreatment are two main challenges for LCB valorization. At microbiological level, constraints are mostly linked to the need for axenic cultures and the preference for certain carbon sources (i.e., glucose). To cope with these issues, this review focuses on efficient LCB conversion via the sugar platform as well as an innovative carboxylate platform taking advantage of the co-cultivation of microorganisms. This review discusses novel trends in the use of microbial communities and co-cultures aiming at different bioproducts co-generation in single reactors as well as in sequential bioprocess combination. The outlook and further perspectives of these alternatives have been outlined for future successful development.
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Affiliation(s)
- Mercedes Llamas
- Biotechnological Processes Unit, IMDEA Energy, Madrid, Spain
| | - Silvia Greses
- Biotechnological Processes Unit, IMDEA Energy, Madrid, Spain
| | - Jose Antonio Magdalena
- LBE, Univ Montpellier, INRAE, 102 avenue des Étangs, F-11100 Narbonne, France; Vicerrectorado de Investigación y Transferencia de la Universidad Complutense de Madrid, 28040 Madrid, Spain
| | - Cristina González-Fernández
- Biotechnological Processes Unit, IMDEA Energy, Madrid, Spain; Department of Chemical Engineering and Environmental Technology, School of Industrial Engineering, University of Valladolid, Dr. Mergelina, s/n, Valladolid 47011, Spain; Institute of Sustainable Processes, Dr. Mergelina, s/n, Valladolid 47011, Spain
| | - Elia Tomás-Pejó
- Biotechnological Processes Unit, IMDEA Energy, Madrid, Spain.
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3
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Tomás-Pejó E, González-Fernández C, Greses S, Kennes C, Otero-Logilde N, Veiga MC, Bolzonella D, Müller B, Passoth V. Production of short-chain fatty acids (SCFAs) as chemicals or substrates for microbes to obtain biochemicals. BIOTECHNOLOGY FOR BIOFUELS AND BIOPRODUCTS 2023; 16:96. [PMID: 37270640 DOI: 10.1186/s13068-023-02349-5] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/30/2022] [Accepted: 05/23/2023] [Indexed: 06/05/2023]
Abstract
Carboxylic acids have become interesting platform molecules in the last years due to their versatility to act as carbon sources for different microorganisms or as precursors for the chemical industry. Among carboxylic acids, short-chain fatty acids (SCFAs) such as acetic, propionic, butyric, valeric, and caproic acids can be biotechnologically produced in an anaerobic fermentation process from lignocellulose or other organic wastes of agricultural, industrial, or municipal origin. The biosynthesis of SCFAs is advantageous compared to chemical synthesis, since the latter relies on fossil-derived raw materials, expensive and toxic catalysts and harsh process conditions. This review article gives an overview on biosynthesis of SCFAs from complex waste products. Different applications of SCFAs are explored and how these acids can be considered as a source of bioproducts, aiming at the development of a circular economy. The use of SCFAs as platform molecules requires adequate concentration and separation processes that are also addressed in this review. Various microorganisms such as bacteria or oleaginous yeasts can efficiently use SCFA mixtures derived from anaerobic fermentation, an attribute that can be exploited in microbial electrolytic cells or to produce biopolymers such as microbial oils or polyhydroxyalkanoates. Promising technologies for the microbial conversion of SCFAs into bioproducts are outlined with recent examples, highlighting SCFAs as interesting platform molecules for the development of future bioeconomy.
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Affiliation(s)
- Elia Tomás-Pejó
- Biotechnological Processes Unit, IMDEA Energy, 28935, Móstoles, Madrid, Spain
| | - Cristina González-Fernández
- Biotechnological Processes Unit, IMDEA Energy, 28935, Móstoles, Madrid, Spain
- Department of Chemical Engineering and Environmental Technology, School of Industrial Engineering, University of Valladolid, Valladolid, Spain
- Institute of Sustainable Processes, Valladolid, Spain
| | - Silvia Greses
- Biotechnological Processes Unit, IMDEA Energy, 28935, Móstoles, Madrid, Spain
| | - Christian Kennes
- Chemical Engineering Laboratory, Faculty of Sciences and Center for Advanced Scientific Research, Centro de Investigaciones Científicas Avanzadas (CICA), BIOENGIN Group, University of La Coruña, E-15008, La Coruña, Spain
| | - Nuria Otero-Logilde
- Chemical Engineering Laboratory, Faculty of Sciences and Center for Advanced Scientific Research, Centro de Investigaciones Científicas Avanzadas (CICA), BIOENGIN Group, University of La Coruña, E-15008, La Coruña, Spain
| | - María C Veiga
- Chemical Engineering Laboratory, Faculty of Sciences and Center for Advanced Scientific Research, Centro de Investigaciones Científicas Avanzadas (CICA), BIOENGIN Group, University of La Coruña, E-15008, La Coruña, Spain
| | - David Bolzonella
- Department of Biotechnology, University of Verona, Verona, Italy
| | - Bettina Müller
- Department of Molecular Sciences, Swedish University of Agricultural Sciences, Box 7070, 75007, Uppsala, Sweden
| | - Volkmar Passoth
- Department of Molecular Sciences, Swedish University of Agricultural Sciences, Box 7070, 75007, Uppsala, Sweden.
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Ramanaiah SV, Chandrasekhar K, Cordas CM, Potoroko I. Bioelectrochemical systems (BESs) for agro-food waste and wastewater treatment, and sustainable bioenergy-A review. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2023; 325:121432. [PMID: 36907238 DOI: 10.1016/j.envpol.2023.121432] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/19/2022] [Revised: 02/09/2023] [Accepted: 03/09/2023] [Indexed: 06/18/2023]
Abstract
Producing food by farming and subsequent food manufacturing are central to the world's food supply, accounting for more than half of all production. Production is, however, closely related to the creation of large amounts of organic wastes or byproducts (agro-food waste or wastewater) that negatively impact the environment and the climate. Global climate change mitigation is an urgent need that necessitates sustainable development. For that purpose, proper agro-food waste and wastewater management are essential, not only for waste reduction but also for resource optimization. To achieve sustainability in food production, biotechnology is considered as key factor since its continuous development and broad implementation will potentially benefit ecosystems by turning polluting waste into biodegradable materials; this will become more feasible and common as environmentally friendly industrial processes improve. Bioelectrochemical systems are a revitalized, promising biotechnology integrating microorganisms (or enzymes) with multifaceted applications. The technology can efficiently reduce waste and wastewater while recovering energy and chemicals, taking advantage of their biological elements' specific redox processes. In this review, a consolidated description of agro-food waste and wastewater and its remediation possibilities, using different bioelectrochemical-based systems is presented and discussed together with a critical view of the current and future potential applications.
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Affiliation(s)
- S V Ramanaiah
- Food and Biotechnology Research Lab, South Ural State University (National Research University), 454080, Chelyabinsk, Russian Federation.
| | - K Chandrasekhar
- School of Civil and Environmental Engineering, Yonsei University, 50 Yonsei-ro, Seoul, 03722, Republic of Korea
| | - Cristina M Cordas
- Laboratório Associado para a Química Verde | Associated Laboratory for Green Chemistry (LAQV) of the Network of Chemistry and Technology (REQUIMTE), Department of Chemistry, NOVA School of Science and Technology, Universidade Nova de Lisboa, 2829-516, Caparica, Portugal
| | - Irina Potoroko
- Food and Biotechnology Research Lab, South Ural State University (National Research University), 454080, Chelyabinsk, Russian Federation
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Zhang J, Chang H, Li X, Jiang B, Wei T, Sun X, Liang D. Boosting hydrogen production from fermentation effluent of biomass wastes in cylindrical single-chamber microbial electrolysis cell. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:89727-89737. [PMID: 35857167 DOI: 10.1007/s11356-022-22095-9] [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: 01/08/2022] [Accepted: 07/14/2022] [Indexed: 06/15/2023]
Abstract
Microbial electrolysis cells (MECs) are considered as green technologies for H2 production with simultaneously wastewater treatment. Low H2 recovery and production rate are two key bottlenecks of MECs fed with real H2 fermentation effluent of biomass wastes. This work established a 1 L cylindrical single chamber MEC and enriched electroactive anodic biofilms from cow dung compost to overcome the bottlenecks. These MEC components (platinum-coated cylindrical titanium mesh cathode and cylindrical graphite felt anode) were arranged in a concentric configuration. A high H2 production rate of 6.26 ± 0.23 L L-1 day-1 with H2 yield of 5.75 ± 0.16 L H2 L-1 fermentation effluent was achieved at 0.8 V. The degradation of acetate and butyrate (main components of H2 fermentation effluent) could reach to 95.3 ± 2.1% and 78.4 ± 3.6%, respectively. The microbial community analysis for anode showed the abundance of Geobacter (22.6%), Syntrophomonas (8.7%), and Dysgonomonas (6.3%) which are responsible to complex substrate oxidation, electrical current generation, and H2 production. These results prove the feasibility of cylindrical single-chamber MEC for high H2 production rate and high acetate and butyrate removal from H2 fermentation effluent.
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Affiliation(s)
- Jingnan Zhang
- College of Food and Bioengineering, Zhengzhou University of Light Industry, Zhengzhou, Henan, 450000, People's Republic of China
| | - Hanghang Chang
- College of Food and Bioengineering, Zhengzhou University of Light Industry, Zhengzhou, Henan, 450000, People's Republic of China
| | - Xiaohu Li
- School of Space and Environment, Beihang University, Beijing, 100191, People's Republic of China.
| | - Baoxuan Jiang
- College of Food and Bioengineering, Zhengzhou University of Light Industry, Zhengzhou, Henan, 450000, People's Republic of China
- Henan Key Laboratory of Cold Chain Food Quality and Safety Control, Zhengzhou, Henan, 450000, People's Republic of China
- Collaborative Innovation Center for Food Production and Safety of Henan Province, Zhengzhou, Henan, 450002, People's Republic of China
| | - Tao Wei
- College of Food and Bioengineering, Zhengzhou University of Light Industry, Zhengzhou, Henan, 450000, People's Republic of China
- Henan Key Laboratory of Cold Chain Food Quality and Safety Control, Zhengzhou, Henan, 450000, People's Republic of China
- Collaborative Innovation Center for Food Production and Safety of Henan Province, Zhengzhou, Henan, 450002, People's Republic of China
| | - Xincheng Sun
- College of Food and Bioengineering, Zhengzhou University of Light Industry, Zhengzhou, Henan, 450000, People's Republic of China
- Henan Key Laboratory of Cold Chain Food Quality and Safety Control, Zhengzhou, Henan, 450000, People's Republic of China
- Collaborative Innovation Center for Food Production and Safety of Henan Province, Zhengzhou, Henan, 450002, People's Republic of China
| | - Dawei Liang
- School of Space and Environment, Beihang University, Beijing, 100191, People's Republic of China
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Jadhav DA, Park SG, Pandit S, Yang E, Ali Abdelkareem M, Jang JK, Chae KJ. Scalability of microbial electrochemical technologies: Applications and challenges. BIORESOURCE TECHNOLOGY 2022; 345:126498. [PMID: 34890815 DOI: 10.1016/j.biortech.2021.126498] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/09/2021] [Revised: 12/01/2021] [Accepted: 12/02/2021] [Indexed: 06/13/2023]
Abstract
During wastewater treatment, microbial electrochemical technologies (METs) are a promising means for in situ energy harvesting and resource recovery. The primary constraint for such systems is scaling them up from the laboratory to practical applications. Currently, most research (∼90%) has been limited to benchtop models because of bioelectrochemical, economic, and engineering design limitations. Field trials, i.e., 1.5 m3 bioelectric toilet, 1000 L microbial electrolysis cell and industrial applications of METs have been conducted, and their results serve as positive indicators of their readiness for practical applications. Multiple startup companies have invested in the pilot-scale demonstrations of METs for industrial effluent treatment. Recently, advances in membrane/electrode modification, understanding of microbe-electrode interaction, and feasibility of electrochemical redox reactions have provided new directions for realizing the practical application. This study reviews the scaling-up challenges, success stories for onsite use, and readiness level of METs for commercialization that is inexpensive and sustainable.
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Affiliation(s)
- Dipak A Jadhav
- Division of Civil, Environmental Engineering and Logistics System (Environmental Major), College of Ocean Science and Engineering, Korea Maritime and Ocean University, 727 Taejong-ro, Yeongdo-gu, Busan 49112, Republic of Korea; Department of Agricultural Engineering, Maharashtra Institute of Technology, Aurangabad, Maharashtra 431010, India
| | - Sung-Gwan Park
- Division of Civil, Environmental Engineering and Logistics System (Environmental Major), College of Ocean Science and Engineering, Korea Maritime and Ocean University, 727 Taejong-ro, Yeongdo-gu, Busan 49112, Republic of Korea
| | - Soumya Pandit
- Department of Life Sciences, School of Basic Sciences and Research, Sharda University, Greater Noida 201306, India
| | - Euntae Yang
- Department of Marine Environmental Engineering, Gyeongsang National University, Gyeongsangnam-do 53064, Republic of Korea
| | - Mohammad Ali Abdelkareem
- Department of Sustainable and Renewable Energy Engineering, University of Sharjah, P.O. Box 27272, Sharjah, United Arab Emirates; Center for Advanced Materials Research, University of Sharjah, 27272 Sharjah, United Arab Emirates; Chemical Engineering Department, Faculty of Engineering, Minia University, AlMinya, Egypt
| | - Jae-Kyung Jang
- National Institute of Agricultural Sciences, Department of Agricultural Engineering Energy and Environmental Engineering Division, 310 Nongsaengmyeong-ro, Deokjin-gu, Jeonju-si, Jeollabuk-do, Republic of Korea
| | - Kyu-Jung Chae
- Division of Civil, Environmental Engineering and Logistics System (Environmental Major), College of Ocean Science and Engineering, Korea Maritime and Ocean University, 727 Taejong-ro, Yeongdo-gu, Busan 49112, Republic of Korea; Interdisciplinary Major of Ocean Renewable Energy Engineering, Korea Maritime and Ocean University, 727 Taejong-ro, Yeongdo-gu, Busan 49112, Republic of Korea.
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Hill A, Tait S, Baillie C, Virdis B, McCabe B. Microbial electrochemical sensors for volatile fatty acid measurement in high strength wastewaters: A review. Biosens Bioelectron 2020; 165:112409. [DOI: 10.1016/j.bios.2020.112409] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2020] [Revised: 06/17/2020] [Accepted: 06/22/2020] [Indexed: 12/29/2022]
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8
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Zou R, Angelidaki I, Yang X, Tang K, Andersen HR, Zhang Y. Degradation of pharmaceuticals from wastewater in a 20-L continuous flow bio-electro-Fenton (BEF) system. THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 727:138684. [PMID: 32330723 DOI: 10.1016/j.scitotenv.2020.138684] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/20/2020] [Revised: 04/09/2020] [Accepted: 04/11/2020] [Indexed: 06/11/2023]
Abstract
The bio-electro-Fenton (BEF) technology has proven to be an effective and energy-saving method for treating wastewaters containing a single pharmaceutical in the lab-scale. However, the continuous degradation of pharmaceuticals in a scaled-up BEF has never been reported. In this study, a 20-L dual-chamber BEF reactor was designed and tested for treating six model pharmaceuticals. The effect of key operational factors including applied voltage, cathode Fe2+ dosage, initial pharmaceuticals concentration and hydraulic retention time (HRT), were assessed. By implementing 0.1 V voltage, 0.3 mM Fe2+ and HRT of 26 h, the six selected pharmaceuticals (500 μg L-1 for each) were removed completely. Moreover, transformation products during clofibric acid degradation, such as 4-chlororesorcinol, were detected and the relevant transformation pathway was proposed. Additionally, it successfully removed these pharmaceuticals in the real wastewater matrix. This paper contributes to scaling-up the BEF process for continuous and effective treating pharmaceuticals-contaminated wastewater.
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Affiliation(s)
- Rusen Zou
- Department of Environmental Engineering, Technical University of Denmark, DK-2800 Lyngby, Denmark
| | - Irini Angelidaki
- Department of Environmental Engineering, Technical University of Denmark, DK-2800 Lyngby, Denmark
| | - Xiaoyong Yang
- Department of Environmental Engineering, Technical University of Denmark, DK-2800 Lyngby, Denmark
| | - Kai Tang
- Department of Environmental Engineering, Technical University of Denmark, DK-2800 Lyngby, Denmark
| | - Henrik Rasmus Andersen
- Department of Environmental Engineering, Technical University of Denmark, DK-2800 Lyngby, Denmark
| | - Yifeng Zhang
- Department of Environmental Engineering, Technical University of Denmark, DK-2800 Lyngby, Denmark.
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Jenol MA, Ibrahim MF, Kamal Bahrin E, Abd-Aziz S. Enhanced volatile fatty acid production from sago hampas by Clostridium beijerinckii SR1 for bioelectricity generation using microbial fuel cells. Bioprocess Biosyst Eng 2020; 43:2027-2038. [PMID: 32572569 DOI: 10.1007/s00449-020-02391-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2020] [Accepted: 06/13/2020] [Indexed: 12/23/2022]
Abstract
Sago hampas is a starch-based biomass from sago processing industries consisted of 58% remaining starch. This study has demonstrated the bioconversion of sago hampas to volatile fatty acids (VFAs) by Clostridium beijerinckii SR1 via anaerobic digestion. Higher total VFAs were obtained from sago hampas (5.04 g/L and 0.287 g/g) as compared to commercial starch (5.94 g/L and 0.318 g/g). The physical factors have been investigated for the enhancement of VFAs production using one-factor-at-a-time (OFAT). The optimum condition; 3% substrate concentration, 3 g/L of yeast extract concentration and 2 g/L of ammonium nitrate enhanced the production of VFAs by 52.6%, resulted the total VFAs produced is 7.69 g/L with the VFAs yield of 0.451 g/g. VFAs hydrolysate produced successfully generated 273.4 mV of open voltage circuit and 61.5 mW/m2 of power density in microbial fuel cells. It was suggested that sago hampas provide as an alternative carbon feedstock for bioelectricity generation.
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Affiliation(s)
- Mohd Azwan Jenol
- Department of Bioprocess Technology, Faculty of Biotechnology and Biomolecular Sciences, Universiti Putra Malaysia, 43400, Serdang, Selangor, Malaysia
| | - Mohamad Faizal Ibrahim
- Department of Bioprocess Technology, Faculty of Biotechnology and Biomolecular Sciences, Universiti Putra Malaysia, 43400, Serdang, Selangor, Malaysia
| | - Ezyana Kamal Bahrin
- Department of Bioprocess Technology, Faculty of Biotechnology and Biomolecular Sciences, Universiti Putra Malaysia, 43400, Serdang, Selangor, Malaysia
| | - Suraini Abd-Aziz
- Department of Bioprocess Technology, Faculty of Biotechnology and Biomolecular Sciences, Universiti Putra Malaysia, 43400, Serdang, Selangor, Malaysia.
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10
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Hu K, Jia SQ, Yang C, Sun X, Chen W, Wang W, Han F. Combined freezing-thawing pretreatment and microbial electrolysis cell for enhancement of highly concentrated organics degradation from dewatered sludge. Bioengineered 2020; 11:301-310. [PMID: 32129699 PMCID: PMC7161561 DOI: 10.1080/21655979.2020.1736735] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
Abstract
The influence of freezing-thawing (F/T) pretreatment on the degradation of highly concentrated organic matters from dewatered sludge (DS) in microbial electrolysis cell (MEC) was investigated in this study. Extended freezing disintegrated the DS matrix and resulted in accelerated hydrolysis rate. The biogas production and stabilization were increased due to the pretreatment by 25–70% of H2 production rate and 17.8–33.8% of COD reduction rate, respectively. Fourier transform infrared spectroscopy analysis indicated that the pretreatment was unable to alter the bioelectrochemical reactions except for accelerating degradation rate. Excitation and emission matrix (EEM) spectra showed that aromatic protein and soluble microbial products (SMPs)-like materials in DS were increasingly solubilized by the pretreatment and significantly removed during electrogenesis. The F/T-pretreated DS favored the enrichment of exoelectrogens in MEC.
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Affiliation(s)
- Kai Hu
- Key Laboratory of Integrated Regulation and Resource Development on Shallow Lakes, Ministry of Education, Hohai University, Nanjing, P.R. China.,College of Environment, Hohai University, Nanjing, P.R. China
| | - Shuo-Qiu Jia
- China Design Group Co. Ltd., Nanjing, P.R. China
| | - Cheng Yang
- College of Environment, Hohai University, Nanjing, P.R. China
| | - Xing Sun
- College of Environment, Hohai University, Nanjing, P.R. China
| | - Wei Chen
- Key Laboratory of Integrated Regulation and Resource Development on Shallow Lakes, Ministry of Education, Hohai University, Nanjing, P.R. China.,College of Environment, Hohai University, Nanjing, P.R. China
| | - Wei Wang
- Hydrology and Water Resources Bureau of Henan Province, Zhengzhou, P.R. China
| | - Feng Han
- Hydrology and Water Resources Bureau of Henan Province, Zhengzhou, P.R. China
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11
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Show KY, Yan Y, Zong C, Guo N, Chang JS, Lee DJ. State of the art and challenges of biohydrogen from microalgae. BIORESOURCE TECHNOLOGY 2019; 289:121747. [PMID: 31285100 DOI: 10.1016/j.biortech.2019.121747] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/08/2019] [Revised: 06/28/2019] [Accepted: 06/29/2019] [Indexed: 06/09/2023]
Abstract
Biohydrogen from microalgae has attracted extensive attention owing to its promising features of abundance, renewable and self sustainability. Unlike other well-established biofuels like biodiesel and bioethanol, biohydrogen from microalgae is still in the preliminary stage of development. Criticisms in microalgal biohydrogen centered on its practicality and sustainability. Various laboratory- and pilot-scale microalgal systems have been developed, and some research initiatives have exhibited potential for commercial application. This work provides a review of the state of the art of biohydrogen from microalgae. Discussions include metabolic pathways of light-driven transformation and dark fermentation, reactor schemes and system designs encompassing reactor configurations and light manipulation. Challenges, knowledge gaps and the future directions in metabolic limitations, economic and energy assessments, and molecular engineering are also delineated. Current scientific and engineering challenges of microalgal biohydrogen need to be addressed for technology leapfrog or breakthrough.
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Affiliation(s)
- Kuan-Yeow Show
- Puritek Research Institute, Puritek Co. Ltd., Nanjing, China
| | - Yuegen Yan
- Puritek Research Institute, Puritek Co. Ltd., Nanjing, China
| | - Chunxiang Zong
- Puritek Research Institute, Puritek Co. Ltd., Nanjing, China
| | - Na Guo
- Puritek Research Institute, Puritek Co. Ltd., Nanjing, China
| | - Jo-Shu Chang
- Research Centre for Energy Technology and Strategy, National Cheng Kung University, Tainan 701, Taiwan; Department of Chemical Engineering, National Cheng Kung University, Tainan 701, Taiwan
| | - Duu-Jong Lee
- Department of Chemical Engineering, National Taiwan University, Taipei 10617, Taiwan; Department of Chemical Engineering, National Taiwan University of Science and Technology, Taipei 10607, Taiwan.
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12
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Sivasankar P, Poongodi S, Seedevi P, Sivakumar M, Murugan T, Loganathan S. Bioremediation of wastewater through a quorum sensing triggered MFC: A sustainable measure for waste to energy concept. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2019; 237:84-93. [PMID: 30780057 DOI: 10.1016/j.jenvman.2019.01.075] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/04/2018] [Revised: 01/17/2019] [Accepted: 01/18/2019] [Indexed: 06/09/2023]
Abstract
A mission for fast advancement has constrained us to unpredictably tap various natural assets. The reckless utilisation of fossil fuels led unmanageable wastes which have greatly affected our health and environment. Endeavours to address these difficulties have conveyed to the frontal area certain creative natural solutions particularly the utilisation of microbial digestion systems. In the previous two decades, the microbial fuel cell (MFC) innovation has caught the consideration of the researchers. The MFCs is a kind of bio-electrochemical framework with novel highlights, for example, power production, wastewater treatment, and biosensor applications. Lately, dynamic patterns in MFC inquire about on its synthetic, electrochemical, and microbiological perspectives have brought about its observable applications. The MFCs have begun as a logical interest, and in numerous regards, these remaining parts to be the situation. This is especially a result of the multidimensional uses of this eco-accommodating innovation. The innovation relies upon the electroactive microorganisms, prominently known as exoelectrogens. In the first place, it is the main innovation that can create energy out of waste, without the contribution of outer/extra energy. Modification of electrodes with nanomaterials, for example, gold nanoparticles and iron oxide nanoparticles or pretreatment techniques, for example, sonication and autoclave disinfection have indicated promising outcomes in improving MFC execution for power generation and wastewater treatment. The MFC innovation has been likewise explored for the remediation of different heavy metals and hazardous components, and to recognize the poisonous components in wastewater. What's more, the MFCs can be adjusted into microbial electrolysis cells to produce hydrogen energy from different natural sources. This article gives a thorough and cutting-edge appraisal of the novel magnitudes of the MFC.
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Affiliation(s)
- Palaniappan Sivasankar
- Department of Environmental Science, School of Life Sciences, Center for New and Renewable Energy Studies (CNRES), Periyar University, Periyar Palkalai Nagar, Salem 636 011, Tamil Nadu, India
| | - Subramaniam Poongodi
- Centre of Advanced Study in Marine Biology, Faculty of Marine Sciences, Annamalai University, Parangipettai 608 502, Tamil Nadu, India
| | - Palaniappan Seedevi
- Department of Environmental Science, School of Life Sciences, Center for New and Renewable Energy Studies (CNRES), Periyar University, Periyar Palkalai Nagar, Salem 636 011, Tamil Nadu, India
| | - Murugesan Sivakumar
- Department of Environmental Science, School of Life Sciences, Center for New and Renewable Energy Studies (CNRES), Periyar University, Periyar Palkalai Nagar, Salem 636 011, Tamil Nadu, India
| | - Tamilselvi Murugan
- Department of Zoology, Government Arts College, Coimbatore, Tamil Nadu 641018, India
| | - Sivakumar Loganathan
- Department of Environmental Science, School of Life Sciences, Center for New and Renewable Energy Studies (CNRES), Periyar University, Periyar Palkalai Nagar, Salem 636 011, Tamil Nadu, India.
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Paz-Mireles CL, Razo-Flores E, Trejo G, Cercado B. Inhibitory effect of ethanol on the experimental electrical charge and hydrogen production in microbial electrolysis cells (MECs). J Electroanal Chem (Lausanne) 2019. [DOI: 10.1016/j.jelechem.2019.01.028] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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14
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Applications of Emerging Bioelectrochemical Technologies in Agricultural Systems: A Current Review. ENERGIES 2018. [DOI: 10.3390/en11112951] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
Background: Bioelectrochemical systems (BESs) are emerging energy-effective and environment-friendly technologies. Different applications of BESs are able to effectively minimize wastes and treat wastewater while simultaneously recovering electricity, biohydrogen and other value-added chemicals via specific redox reactions. Although there are many studies that have greatly advanced the performance of BESs over the last decade, research and reviews on agriculture-relevant applications of BESs are very limited. Considering the increasing demand for food, energy and water due to human population expansion, novel technologies are urgently needed to promote productivity and sustainability in agriculture. Methodology: This review study is based on an extensive literature search regarding agriculture-related BES studies mainly in the last decades (i.e., 2009–2018). The databases used in this review study include Scopus, Google Scholar and Web of Science. The current and future applications of bioelectrochemical technologies in agriculture have been discussed. Findings/Conclusions: BESs have the potential to recover considerable amounts of electric power and energy chemicals from agricultural wastes and wastewater. The recovered energy can be used to reduce the energy input into agricultural systems. Other resources and value-added chemicals such as biofuels, plant nutrients and irrigation water can also be produced in BESs. In addition, BESs may replace unsustainable batteries to power remote sensors or be designed as biosensors for agricultural monitoring. The possible applications to produce food without sunlight and remediate contaminated soils using BESs have also been discussed. At the same time, agricultural wastes can also be processed into construction materials or biochar electrodes/electrocatalysts for reducing the high costs of current BESs. Future studies should evaluate the long-term performance and stability of on-farm BES applications.
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Bakonyi P, Kumar G, Koók L, Tóth G, Rózsenberszki T, Bélafi-Bakó K, Nemestóthy N. Microbial electrohydrogenesis linked to dark fermentation as integrated application for enhanced biohydrogen production: A review on process characteristics, experiences and lessons. BIORESOURCE TECHNOLOGY 2018; 251:381-389. [PMID: 29295757 DOI: 10.1016/j.biortech.2017.12.064] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/13/2017] [Revised: 12/20/2017] [Accepted: 12/20/2017] [Indexed: 06/07/2023]
Abstract
Microbial electrohydrogenesis cells (MECs) are devices that have attracted significant attention from the scientific community to generate hydrogen gas electrochemically with the aid of exoelectrogen microorganisms. It has been demonstrated that MECs are capable to deal with the residual organic materials present in effluents generated along with dark fermentative hydrogen bioproduction (DF). Consequently, MECs stand as attractive post-treatment units to enhance the global H2 yield as a part of a two-stage, integrated application (DF-MEC). In this review article, it is aimed (i) to assess results communicated in the relevant literature on cascade DF-MEC systems, (ii) describe the characteristics of each steps involved and (iii) discuss the experiences as well as the lessons in order to facilitate knowledge transfer and help the interested readers with the construction of more efficient coupled set-ups, leading eventually to the improvement of overall biohydrogen evolution performances.
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Affiliation(s)
- Péter Bakonyi
- Research Institute on Bioengineering, Membrane Technology and Energetics, University of Pannonia, Egyetem ut 10, 8200 Veszprém, Hungary
| | - Gopalakrishnan Kumar
- Faculty of Environment and Labour Safety, Ton Duc Thang University, Ho Chi Minh City, Viet Nam.
| | - László Koók
- Research Institute on Bioengineering, Membrane Technology and Energetics, University of Pannonia, Egyetem ut 10, 8200 Veszprém, Hungary
| | - Gábor Tóth
- Research Institute on Bioengineering, Membrane Technology and Energetics, University of Pannonia, Egyetem ut 10, 8200 Veszprém, Hungary
| | - Tamás Rózsenberszki
- Research Institute on Bioengineering, Membrane Technology and Energetics, University of Pannonia, Egyetem ut 10, 8200 Veszprém, Hungary
| | - Katalin Bélafi-Bakó
- Research Institute on Bioengineering, Membrane Technology and Energetics, University of Pannonia, Egyetem ut 10, 8200 Veszprém, Hungary
| | - Nándor Nemestóthy
- Research Institute on Bioengineering, Membrane Technology and Energetics, University of Pannonia, Egyetem ut 10, 8200 Veszprém, Hungary
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