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Zhu J, Li M, Yu H, Zheng Y, Yuan L, Cao Y, Liu X, Sun F, Chen C. Magnetic biochar enhanced microbial electrolysis cell with anaerobic digestion for complex organic matter degradation in landfill leachate. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 949:175013. [PMID: 39069178 DOI: 10.1016/j.scitotenv.2024.175013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/07/2024] [Revised: 07/14/2024] [Accepted: 07/22/2024] [Indexed: 07/30/2024]
Abstract
Combining microbial electrolytic cells with anaerobic digestion (MEC-AD) was considered as an important method for enhancing complex organic matter degradation. However, the magnetic biochar (MBC) addition would be an effective approach for enhancing biodegradation in MEC-AD. By designing orthogonal experiments, the optimal parameters of MBC-enhanced MEC-AD system for landfill leachate treatment were determined. The results indicated that the optimal conditions were identified as HRT of 72 h, electrode spacing of 2.5 cm, and applied voltage of 0.8 V. Under these conditions, the COD removal efficiency reached a maximum of 54.7 %. Additionally, the UV-vis, 3D-EEM, and GC-MS indicated the macromolecules 13-Docosenamide (Z), Bis(2-ethylhexyl) benzene-1,4-dicarboxylate and bis(2-ethylhexyl) phthalate were degraded. 13-Docosenamide (Z) was almost completely removed under the conditions of 0.8 V applied voltage, 2.5 cm electrode spacing and 24 h HRT, with a removal efficiency of 99.91 %. Significant differences were observed in the microbial core genera among the MEC-AD systems. The core genera in the anodic and cathodic biofilms were primarily fermentative and electroactive bacteria, including Soehngenia (2.2 % - 32.1 %, 3.2 % - 26.4 %) and Desulfomicrobium (1.1 % - 10.2 %, 2.0 % - 29.3 %). Fermentative bacteria, norank_f__Bacteroidetes_vadinHA17, established cooperative relationships with electroactive bacteria Acinetobacter. The enrichment of electrochemically active bacteria optimized microbial interactions, thereby synergistically enhancing the biotransformation of complex organic matter in landfill leachate.
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Affiliation(s)
- Jiachen Zhu
- School of Environmental Science and Engineering, Suzhou University of Science and Technology, Suzhou 215009, PR China
| | - Mengmeng Li
- School of Environmental Science and Engineering, Suzhou University of Science and Technology, Suzhou 215009, PR China
| | - Hang Yu
- School of Environmental Science and Engineering, Suzhou University of Science and Technology, Suzhou 215009, PR China
| | - Yi Zheng
- School of Environmental Science and Engineering, Suzhou University of Science and Technology, Suzhou 215009, PR China
| | - Luqi Yuan
- School of Environmental Science and Engineering, Suzhou University of Science and Technology, Suzhou 215009, PR China
| | - Yanxiao Cao
- School of Environmental Science and Engineering, Suzhou University of Science and Technology, Suzhou 215009, PR China
| | - Xin Liu
- School of Environmental Science and Engineering, Suzhou University of Science and Technology, Suzhou 215009, PR China
| | - Faqian Sun
- College of Geography and Environmental Science, Zhejiang Normal University, Jinhua 321004, PR China
| | - Chongjun Chen
- School of Environmental Science and Engineering, Suzhou University of Science and Technology, Suzhou 215009, PR China; Jiangsu Collaborative Innovation Center of Technology and Material of Water Treatment, Suzhou 215009, PR China.
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Fan T, Liu X, Sheng H, Ma M, Chen X, Yue Y, Sun J, Kalkhajeh YK. The enhancement effect of n-Fe 3O 4 on methyl orange reduction by nitrogen-fixing bacteria consortium. JOURNAL OF HAZARDOUS MATERIALS 2024; 478:135362. [PMID: 39116744 DOI: 10.1016/j.jhazmat.2024.135362] [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: 02/21/2024] [Revised: 07/18/2024] [Accepted: 07/27/2024] [Indexed: 08/10/2024]
Abstract
Although the anaerobic reduction of azo dyes is ecofriendly, high ammonia consumption remains a significant challenge. This work enriched a mixed nitrogen-fixing bacteria consortium (NFBC) using n-Fe3O4 to promote the anaerobic reduction of methyl orange (MO) without exogenous nitrogen. The enriched NFBC was dominated by Klebsiella (80.77 %) and Clostridium (17.16 %), and achieved a 92.7 % reduction of MO with an initial concentration of 25 mg·L-1. Compared with the control, the consortium increased the reduction efficiency of MO, cytochrome c content, and electron transport system (ETS) activity by 11.86 %, 89.86 %, and 58.49 %, respectively. When using 2.5 g·L-1 n-Fe3O4, the extracellular polymeric substances (EPS) of NFBC were present in a concentration of 85.35 mg·g-1. The specific reduction rates of MO by NFBC were 2.26 and 3.30 times faster than those of Fe(II) and Fe(III), respectively, while the enrichment factor of the ribosome pathway in NFBC exceeded 0.75. Transcriptome, carbon consumption, and EPS analyses suggested that n-Fe3O4 stimulated carbon metabolism and secreted protein synthesized by the mixed culture. The latter occurred due to the increased activity of consortium and the content of redox substances. These findings demonstrate that n-Fe3O4 promoted the efficiency of mixed nitrogen-fixing bacteria for removing azo dyes from wastewater. This innovative approach highlights the potential of integrating nanomaterials with biological systems to effectively address complex pollution challenges.
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Affiliation(s)
- Ting Fan
- Anhui Province Key Lab of Farmland Ecological Conservation and Pollution Prevention, College of Resources and Environment, Anhui Agricultural University, Hefei 230036, PR China.
| | - Xiaoqiang Liu
- Anhui Province Key Lab of Farmland Ecological Conservation and Pollution Prevention, College of Resources and Environment, Anhui Agricultural University, Hefei 230036, PR China
| | - Huazeyu Sheng
- Anhui Province Key Lab of Farmland Ecological Conservation and Pollution Prevention, College of Resources and Environment, Anhui Agricultural University, Hefei 230036, PR China
| | - Mengyao Ma
- Anhui Province Key Lab of Farmland Ecological Conservation and Pollution Prevention, College of Resources and Environment, Anhui Agricultural University, Hefei 230036, PR China
| | - Xingyuan Chen
- Anhui Province Key Lab of Farmland Ecological Conservation and Pollution Prevention, College of Resources and Environment, Anhui Agricultural University, Hefei 230036, PR China
| | - Yuchen Yue
- Anhui Province Key Lab of Farmland Ecological Conservation and Pollution Prevention, College of Resources and Environment, Anhui Agricultural University, Hefei 230036, PR China
| | - Jingyi Sun
- Anhui Province Key Lab of Farmland Ecological Conservation and Pollution Prevention, College of Resources and Environment, Anhui Agricultural University, Hefei 230036, PR China
| | - Yusef Kianpoor Kalkhajeh
- Department of Environmental Science, College of Science, Mathematics and Technology, Wenzhou-Kean University, Wenzhou 325060, PR China
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Singh NK, Mathuriya AS, Mehrotra S, Pandit S, Singh A, Jadhav D. Advances in bioelectrochemical systems for bio-products recovery. ENVIRONMENTAL TECHNOLOGY 2024; 45:3853-3876. [PMID: 37491760 DOI: 10.1080/09593330.2023.2234676] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/10/2022] [Accepted: 06/28/2023] [Indexed: 07/27/2023]
Abstract
Bioelectrochemical systems (BES) have emerged as a sustainable and highly promising technology that has garnered significant attention from researchers worldwide. These systems provide an efficient platform for the removal and recovery of valuable products from wastewater, with minimal or no net energy loss. Among the various types of BES, microbial fuel cells (MFCs) are a notable example, utilizing microbial biocatalytic activities to generate electrical energy through the degradation of organic matter. Other BES variants include microbial desalination cells (MDCs), microbial electrolysis cells (MECs), microbial electrosynthesis cells (MXCs), microbial solar cells (MSCs), and more. BESs have demonstrated remarkable potential in the recovery of diverse products such as hydrogen, methane, volatile fatty acids, precious nutrients, and metals. Recent advancements in scaling up BESs have facilitated a more realistic assessment of their net energy recovery and resource yield in real-world applications. This comprehensive review focuses on the practical applications of BESs, from laboratory-scale developments to their potential for industrial commercialization. Specifically, it highlights successful examples of value-added product recovery achieved through various BES configurations. Additionally, this review critically evaluates the limitations of BESs and provides suggestions to enhance their performance at a larger scale, enabling effective implementation in real-world scenarios. By providing a thorough analysis of the current state of BES technology, this review aims to emphasize the tremendous potential of these systems for sustainable wastewater treatment and resource recovery. It underscores the significance of bridging the gap between laboratory-scale achievements and industrial implementation, paving the way for a more sustainable and resource-efficient future.
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Affiliation(s)
- Neeraj Kumar Singh
- Bio-POSITIVE, Department of Life Sciences, School of Basic Sciences and Research, Sharda University, Greater Noida, India
| | - Abhilasha Singh Mathuriya
- Bio-POSITIVE, Department of Life Sciences, School of Basic Sciences and Research, Sharda University, Greater Noida, India
- Ministry of Environment, Forest and Climate Change, New Delhi, India
| | - Smriti Mehrotra
- Bio-POSITIVE, Department of Life Sciences, School of Basic Sciences and Research, Sharda University, Greater Noida, India
| | - Soumya Pandit
- Bio-POSITIVE, Department of Life Sciences, School of Basic Sciences and Research, Sharda University, Greater Noida, India
| | - Anoop Singh
- Department of Scientific and Industrial Research (DSIR), Government of India, New Delhi, India
| | - Deepak Jadhav
- Department of Agricultural Engineering, Maharashtra Institute of Technology Aurangabad, Maharashtra, India
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Noori MT, Rossi R, Logan BE, Min B. Hydrogen production in microbial electrolysis cells with biocathodes. Trends Biotechnol 2024; 42:815-828. [PMID: 38360421 DOI: 10.1016/j.tibtech.2023.12.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2023] [Revised: 12/17/2023] [Accepted: 12/29/2023] [Indexed: 02/17/2024]
Abstract
Electroautotrophic microbes at biocathodes in microbial electrolysis cells (MECs) can catalyze the hydrogen evolution reaction with low energy demand, facilitating long-term stable performance through specific and renewable biocatalysts. However, MECs have not yet reached commercialization due to a lack of understanding of the optimal microbial strains and reactor configurations for achieving high performance. Here, we critically analyze the criteria for the inocula selection, with a focus on the effect of hydrogenase activity and microbe-electrode interactions. We also evaluate the impact of the reactor design and key parameters, such as membrane type, composition, and electrode surface area on internal resistance, mass transport, and pH imbalances within MECs. This analysis paves the way for advancements that could propel biocathode-assisted MECs toward scalable hydrogen gas production.
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Affiliation(s)
- Md Tabish Noori
- Department of Environmental Science and Engineering, Kyung Hee University - Global Campus, Yongin-Si, South Korea
| | - Ruggero Rossi
- Department of Environmental Health and Engineering, Johns Hopkins University, Baltimore, MD 21218, USA
| | - Bruce E Logan
- Department of Civil and Environmental Engineering, Penn State University, Pennsylvania, PA 16801, USA
| | - Booki Min
- Department of Environmental Science and Engineering, Kyung Hee University - Global Campus, Yongin-Si, South Korea.
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Noori MT, Park M, Min B. Integrated dark-fermentation-microbial electrosynthesis for efficient wastewater treatment and bioenergy recovery. BIORESOURCE TECHNOLOGY 2024; 395:130353. [PMID: 38272146 DOI: 10.1016/j.biortech.2024.130353] [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: 10/05/2023] [Revised: 01/04/2024] [Accepted: 01/18/2024] [Indexed: 01/27/2024]
Abstract
High ammonia concentration in wastewater can hinder methane production rate in anaerobic digestion (AD)-microbial electrosynthesis systems (ADMES). To address this issue, a dual-chamber reactor was fabricated using an anion exchange membrane (AEM) to separate the dark-fermentation (DF) and ADMES process, preventing ammonia migration from the DF chamber to the ADMES chamber. As a result, the DF-ADMES achieved a high methane yield based on chemical oxygen demand (COD) of 0.35 L CH4/gCOD compared to control operation AD (0.23 L CH4/gCOD) and ADMES (0.30 L CH4/gCOD). Additionally, hydrogen could be recovered from the DF chamber which improved the energy efficiency of the DF-ADMES reactor (91.7 %) as compared to control AD (53.4 %) and ADMES (71.9 %). Thus, a dual-chamber DF-ADMES with an AEM separator could be a feasible design for scalable treatment of high nitrogen-containing wastewater and high bioenergy recovery.
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Affiliation(s)
- Md Tabish Noori
- Department of Environmental Science and Engineering, Kyung Hee University - Global Campus, Yongin, Republic of Korea
| | - Minji Park
- Department of Environmental Science and Engineering, Kyung Hee University - Global Campus, Yongin, Republic of Korea
| | - Booki Min
- Department of Environmental Science and Engineering, Kyung Hee University - Global Campus, Yongin, Republic of Korea.
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Wang N, Gao M, Liu S, Zhu W, Zhang Y, Wang X, Sun H, Guo Y, Wang Q. Electrochemical promotion of organic waste fermentation: Research advances and prospects. ENVIRONMENTAL RESEARCH 2024; 244:117422. [PMID: 37866529 DOI: 10.1016/j.envres.2023.117422] [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: 07/14/2023] [Revised: 10/13/2023] [Accepted: 10/15/2023] [Indexed: 10/24/2023]
Abstract
The current methods of treating organic waste suffer from limited resource usage and low product value. Research and development of value-added products emerges as an unavoidable trend for future growth. Electro-fermentation (EF) is a technique employed to stimulate cell proliferation, expedite microbial metabolism, and enhance the production of value-added products by administering minute voltages or currents in the fermentation system. This method represents a novel research direction lying at the crossroads of electrochemistry and biology. This article documents the current progress of EF for a range of value-added products, including gaseous fuels, organic acids, and other organics. It also presents novel value-added products, such as 1,3-propanediol, 3-hydroxypropionic acid, succinic acid, acrylic acid, and lysine. The latest research trends suggest a focus on EF for cogeneration of value-added products, studying microbial community structure and electroactive bacteria, exploring electron transfer mechanisms in EF systems, developing effective methods for nutrient recovery of nitrogen and phosphorus, optimizing EF conditions, and utilizing biosensors and artificial neural networks in this area. In this paper, an analysis is conducted on the challenges that currently exist regarding the selection of conductive materials, optimization of electrode materials, and development of bioelectrochemical system (BES) coupling processes in EF systems. The aim is to provide a reference for the development of more efficient, advanced, and value-added EF technologies. Overall, this paper aims to provide references and ideas for the development of more efficient and advanced EF technology.
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Affiliation(s)
- Nuohan Wang
- School of Energy and Environmental Engineering, University of Science and Technology Beijing, Beijing, 100083, China
| | - Ming Gao
- School of Energy and Environmental Engineering, University of Science and Technology Beijing, Beijing, 100083, China
| | - Shuo Liu
- School of Energy and Environmental Engineering, University of Science and Technology Beijing, Beijing, 100083, China
| | - Wenbin Zhu
- School of Energy and Environmental Engineering, University of Science and Technology Beijing, Beijing, 100083, China
| | - Yuanchun Zhang
- School of Energy and Environmental Engineering, University of Science and Technology Beijing, Beijing, 100083, China
| | - Xiaona Wang
- School of Energy and Environmental Engineering, University of Science and Technology Beijing, Beijing, 100083, China
| | - Haishu Sun
- School of Energy and Environmental Engineering, University of Science and Technology Beijing, Beijing, 100083, China
| | - Yan Guo
- School of Energy and Environmental Engineering, University of Science and Technology Beijing, Beijing, 100083, China
| | - Qunhui Wang
- School of Energy and Environmental Engineering, University of Science and Technology Beijing, Beijing, 100083, China; Tianjin College, University of Science and Technology Beijing, Tianjin, 301811, China.
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7
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Wang Y, Wang W, Qi X, Li D, Liu Y, Song X, Cao X. Magnetite-equipped algal-rich sediments for microbial fuel cells: Remediation of sediment organic matter pollution and mechanisms of remote electron transfer. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 912:169545. [PMID: 38159753 DOI: 10.1016/j.scitotenv.2023.169545] [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: 09/21/2023] [Revised: 11/22/2023] [Accepted: 12/18/2023] [Indexed: 01/03/2024]
Abstract
Using the bio-electrochemical methods for the restoration of high algae sediments is full of potential and challenges. How to promote extracellular electron transfer (EET) process in microbial fuel cells (MFC) is the key bottleneck. The study had explored the potential application of magnetite on accelerating electron transfer for improving the output of MFC and sediment pollution remediation. The results indicated that the organic matter degradation rate showed a remarkable increase of 27.45 %, and the voltage output was approximately 1.68 times higher compared to the MFC configured with regular sediment. Abundant electroactive bacteria (EABs), such as Geobacter and Burkholderiaceae, and fermentative bacteria were responsible for these results, accompanied by the enhanced fluorescence of humic substances (HS), increased concentration and activity of cytochrome C (25.05 % and 21.12 %), as well as elevated extracellular polymeric substance content. Moreover, the intrinsic EET mechanisms among Fe-oxides, HS, and EABs were explored. According to the electrochemical analysis and substance transformation, the EET process involved four stages: magnetite-enhanced direct electron transfer via strong conductivity, iron respiration mediating electron transfer to the electrode, the model quinone substance acting as an electron shuttle facilitating EET and iron reduction, and iron cycling mediating electron transfer. This study provides an effective strategy for pollution remediation in algal-rich sediment, which was beneficial for the harmless treatment and resource utilization of both algae and sediment, simultaneously.
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Affiliation(s)
- Yifei Wang
- Textile Pollution Controlling Engineering Center of Ministry of Environmental Protection, College of Environmental Science and Engineering, Donghua University, Shanghai 201620, China
| | - Wenting Wang
- Textile Pollution Controlling Engineering Center of Ministry of Environmental Protection, College of Environmental Science and Engineering, Donghua University, Shanghai 201620, China
| | - Xiang Qi
- State Key Joint Laboratory of Environmental Simulation and Pollution Control, School of Environment, Tsinghua University, Beijing 100084, China
| | - Dongpeng Li
- Textile Pollution Controlling Engineering Center of Ministry of Environmental Protection, College of Environmental Science and Engineering, Donghua University, Shanghai 201620, China
| | - Yingying Liu
- Textile Pollution Controlling Engineering Center of Ministry of Environmental Protection, College of Environmental Science and Engineering, Donghua University, Shanghai 201620, China
| | - Xinshan Song
- Textile Pollution Controlling Engineering Center of Ministry of Environmental Protection, College of Environmental Science and Engineering, Donghua University, Shanghai 201620, China
| | - Xin Cao
- Textile Pollution Controlling Engineering Center of Ministry of Environmental Protection, College of Environmental Science and Engineering, Donghua University, Shanghai 201620, China; Shanghai Institute of Pollution Control and Ecological Security, Shanghai 200092, China.
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Noori MT, Mansi, Sundriyal S, Shrivastav V, Giri BS, Holdynski M, Nogala W, Tiwari UK, Gupta B, Min B. Copper foam supported g-C 3N 4-metal-organic framework bacteria biohybrid cathode catalyst for CO 2 reduction in microbial electrosynthesis. Sci Rep 2023; 13:22741. [PMID: 38123583 PMCID: PMC10733401 DOI: 10.1038/s41598-023-49246-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2023] [Accepted: 12/06/2023] [Indexed: 12/23/2023] Open
Abstract
Microbial electrosynthesis (MES) presents a versatile approach for efficiently converting carbon dioxide (CO2) into valuable products. However, poor electron uptake by the microorganisms from the cathode severely limits the performance of MES. In this study, a graphitic carbon nitride (g-C3N4)-metal-organic framework (MOF) i.e. HKUST-1 composite was newly designed and synthesized as the cathode catalyst for MES operations. The physiochemical analysis such as X-ray diffraction, scanning electron microscopy (SEM), and X-ray fluorescence spectroscopy showed the successful synthesis of g-C3N4-HKUST-1, whereas electrochemical assessments revealed its enhanced kinetics for redox reactions. The g-C3N4-HKUST-1 composite displayed excellent biocompatibility to develop electroactive biohybrid catalyst for CO2 reduction. The MES with g-C3N4-HKUST-1 biohybrid demonstrated an excellent current uptake of 1.7 mA/cm2, which was noted higher as compared to the MES using g-C3N4 biohybrid (1.1 mA/cm2). Both the MESs could convert CO2 into acetic and isobutyric acid with a significantly higher yield of 0.46 g/L.d and 0.14 g/L.d respectively in MES with g-C3N4-HKUST-1 biohybrid and 0.27 g/L.d and 0.06 g/L.d, respectively in MES with g-C3N4 biohybrid. The findings of this study suggest that g-C3N4-HKUST-1 is a highly efficient catalytic material for biocathodes in MESs to significantly enhance the CO2 conversion.
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Affiliation(s)
- Md Tabish Noori
- Department of Environmental Science and Engineering, Kyung Hee University, Yongin, South Korea
| | - Mansi
- CSIR-Central Scientific Instrument Organisation (CSIR-CSIO), Chandigarh, 160030, India
| | - Shashank Sundriyal
- Regional Center of Advanced Technologies and Materials, The Czech Advanced Technology and Research Institute (CATRIN), Palacký University Olomouc, Šlechtitel ̊u 27, Olomouc, 779 00, Czech Republic
| | - Vishal Shrivastav
- Institute of Physical Chemistry Polish Academy of Sciences, Kasprzaka 44/52, 01-224, Warszawa, Poland
| | - Balendu Sekhar Giri
- Sustainability Cluster, School of Advanced Engineering, UPES, Dehradun, Uttarakhand, 248007, India
| | - Marcin Holdynski
- Institute of Physical Chemistry Polish Academy of Sciences, Kasprzaka 44/52, 01-224, Warszawa, Poland
| | - Wojciech Nogala
- Institute of Physical Chemistry Polish Academy of Sciences, Kasprzaka 44/52, 01-224, Warszawa, Poland
| | - Umesh K Tiwari
- CSIR-Central Scientific Instrument Organisation (CSIR-CSIO), Chandigarh, 160030, India
| | - Bhavana Gupta
- Institute of Physical Chemistry Polish Academy of Sciences, Kasprzaka 44/52, 01-224, Warszawa, Poland.
| | - Booki Min
- Department of Environmental Science and Engineering, Kyung Hee University, Yongin, South Korea.
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Huang Q, Liu Y, Ranjan Dhar B. Boosting resilience of microbial electrolysis cell-assisted anaerobic digestion of blackwater with granular activated carbon amendment. BIORESOURCE TECHNOLOGY 2023; 381:129136. [PMID: 37169203 DOI: 10.1016/j.biortech.2023.129136] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/24/2023] [Revised: 05/01/2023] [Accepted: 05/04/2023] [Indexed: 05/13/2023]
Abstract
Poor hydrolysis and methanogenesis efficiencies remain the main challenges for blackwater anaerobic digestion. This study investigated the performance of a granular activated carbon (GAC) amended microbial electrolysis cell-assisted anaerobic digester (MEC-AD) treating blackwater. Due to hydrolysis limitation, both MEC-AD and control reactors experienced performance declines as the organic loading rate increased from 3.0 to 4.5 g COD/L-d. Then, adding GAC without mixing formed GAC-sludge aggregates that improved methane yield to 38.3% and 32.3% in the MEC-AD and control reactor, respectively, and enhanced hydrolysis efficiency. The amended MEC-AD also successfully overcame the performance deterioration due to a temperature drop. Biomarker identification revealed the crucial roles of GAC biofilms and settled sludge in promoting methanogenesis and hydrolysis, respectively. This study demonstrated the GAC addition and the electrochemical environment could have a reciprocal influence, leading to more robust syntrophic microbial interactions, which could guide the future application of conductive materials in MEC-AD systems.
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Affiliation(s)
- Qi Huang
- Department of Civil and Environmental Engineering, University of Alberta, 9211-116 Street NW, Edmonton, AB, T6G 1H9, Canada
| | - Yang Liu
- Department of Civil and Environmental Engineering, University of Alberta, 9211-116 Street NW, Edmonton, AB, T6G 1H9, Canada.
| | - Bipro Ranjan Dhar
- Department of Civil and Environmental Engineering, University of Alberta, 9211-116 Street NW, Edmonton, AB, T6G 1H9, Canada
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Barrena R, Vargas-García MDC, Catacora-Padilla P, Gea T, Abo Markeb A, Moral-Vico J, Sánchez A, Font X, Aspray TJ. Magnetite-based nanoparticles and nanocomposites for recovery of overloaded anaerobic digesters. BIORESOURCE TECHNOLOGY 2023; 372:128632. [PMID: 36657586 DOI: 10.1016/j.biortech.2023.128632] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/18/2022] [Revised: 01/12/2023] [Accepted: 01/13/2023] [Indexed: 06/17/2023]
Abstract
The effect of magnetite nanoparticles and nanocomposites (magnetite nanoparticles impregnated into graphene oxide) supplement on the recovery of overloaded laboratory batch anaerobic reactors was assessed using two types of starting inoculum: anaerobic granular sludge (GS) and flocculent sludge (FS). Both nanomaterials recovered methane production at a dose of 0.27 g/L within 40 days in GS. Four doses of magnetite nanoparticles from 0.075 to 1 g/L recovered the process in FS systems between 30 and 50 days relaying on the dose. The presence of nanomaterials helped to reverse the effect of volatile fatty acids inhibition and enabled microbial communities to recover but also favoured the development of certain microorganisms over others. In GS reactors, the methanogenic population changed from being mostly acetoclastic (Methanothrix soehngenii) to being dominated by hydrogenotrophic species (Methanobacterium beijingense). Nanomaterial amendment may serve as a preventative measure or provide an effective remedial solution for system recovery following overloading.
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Affiliation(s)
- Raquel Barrena
- GICOM Research Group Department of Chemical, Biological and Environmental Engineering, Universitat Autònoma de Barcelona Edifici Q, Carrer de les Sitges 08193 Bellaterra (Cerdanyola del Vallès), Barcelona, Spain.
| | - María Del Carmen Vargas-García
- Department of Biology and Geology, CITE II-B Universidad de Almería CEIMAR Marine Campus of International Excellence, 04120 Almería, Spain
| | - Paula Catacora-Padilla
- GICOM Research Group Department of Chemical, Biological and Environmental Engineering, Universitat Autònoma de Barcelona Edifici Q, Carrer de les Sitges 08193 Bellaterra (Cerdanyola del Vallès), Barcelona, Spain
| | - Teresa Gea
- GICOM Research Group Department of Chemical, Biological and Environmental Engineering, Universitat Autònoma de Barcelona Edifici Q, Carrer de les Sitges 08193 Bellaterra (Cerdanyola del Vallès), Barcelona, Spain
| | - Ahmad Abo Markeb
- GICOM Research Group Department of Chemical, Biological and Environmental Engineering, Universitat Autònoma de Barcelona Edifici Q, Carrer de les Sitges 08193 Bellaterra (Cerdanyola del Vallès), Barcelona, Spain
| | - Javier Moral-Vico
- GICOM Research Group Department of Chemical, Biological and Environmental Engineering, Universitat Autònoma de Barcelona Edifici Q, Carrer de les Sitges 08193 Bellaterra (Cerdanyola del Vallès), Barcelona, Spain
| | - Antoni Sánchez
- GICOM Research Group Department of Chemical, Biological and Environmental Engineering, Universitat Autònoma de Barcelona Edifici Q, Carrer de les Sitges 08193 Bellaterra (Cerdanyola del Vallès), Barcelona, Spain
| | - Xavier Font
- GICOM Research Group Department of Chemical, Biological and Environmental Engineering, Universitat Autònoma de Barcelona Edifici Q, Carrer de les Sitges 08193 Bellaterra (Cerdanyola del Vallès), Barcelona, Spain
| | - Thomas J Aspray
- School of Energy, Geoscience, Infrastructure and Society, Heriot-Watt University, Edinburgh EH14 4AS, Scotland, UK; Solidsense Ltd, Bearsden, East Dunbartonshire G61 3BA, Scotland, UK
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11
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Wang L, Liu T, Xu J, Wang Z, Lei Z, Shimizu K, Zhang Z, Yuan T. Enhanced economic benefit of recycling Fe 3O 4 for promotion of volatile fatty acids production in anaerobic fermentation of food waste. BIORESOURCE TECHNOLOGY 2023; 369:128428. [PMID: 36470492 DOI: 10.1016/j.biortech.2022.128428] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/08/2022] [Revised: 11/28/2022] [Accepted: 11/29/2022] [Indexed: 06/17/2023]
Abstract
Fe3O4 addition in anaerobic fermentation of food waste (FW) is promising for enhancing volatile fatty acids (VFAs) production. However, the large amount of Fe3O4 in the digestate fertilizer leads to the waste of resources and possible toxicity to organisms. Thus, this study investigated the feasibility of Fe3O4 recycling for VFAs enhancement in anaerobic fermentation of FW and performed the cost-benefit evaluation of this process. Results revealed that Fe3O4 could be successfully recycled twice with recovery rates of 71.5% and 65.5%, respectively. X-ray diffraction analysis revealed a slight change to the Fe2O3-like structure after 2-time recycling. The VFAs yields were enhanced by 17.2% and 17.0% in Cycles 1 and 2 owing to the enhanced activities of hydrolytic and acid-forming enzymes. The net income of the Fe3O4 recycling process was about 13-fold higher than that of the conventional treatment process, suggesting a promising and economically feasible strategy for enhancing VFAs production.
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Affiliation(s)
- Lanting Wang
- Graduate School of Life and Environmental Sciences, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8572, Japan
| | - Tianxiao Liu
- Graduate School of Life and Environmental Sciences, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8572, Japan
| | - Jing Xu
- Graduate School of Life and Environmental Sciences, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8572, Japan
| | - Zhiwei Wang
- Graduate School of Life and Environmental Sciences, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8572, Japan
| | - Zhongfang Lei
- Graduate School of Life and Environmental Sciences, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8572, Japan
| | - Kazuya Shimizu
- Graduate School of Life and Environmental Sciences, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8572, Japan; Faculty of Life Sciences, Toyo University, 1-1-1 Izumino, Oura-gun Itakura, Gunma 374-0193, Japan
| | - Zhenya Zhang
- Graduate School of Life and Environmental Sciences, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8572, Japan
| | - Tian Yuan
- Graduate School of Life and Environmental Sciences, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8572, Japan.
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12
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Machine learning approach for predicting anaerobic digestion performance and stability in direct interspecies electron transfer-stimulated environments. Biochem Eng J 2023. [DOI: 10.1016/j.bej.2023.108840] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
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13
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Wang L, Lei Z, Yang X, Zhang C, Liu C, Shimizu K, Zhang Z, Yuan T. Fe 3O 4 enhanced efficiency of volatile fatty acids production in anaerobic fermentation of food waste at high loading. BIORESOURCE TECHNOLOGY 2022; 364:128097. [PMID: 36229010 DOI: 10.1016/j.biortech.2022.128097] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/17/2022] [Revised: 10/03/2022] [Accepted: 10/05/2022] [Indexed: 06/16/2023]
Abstract
High treatment capacity for food waste (FW) is required due to the huge amount generated worldwide. Conversion of FW to volatile fatty acids (VFAs) via anaerobic fermentation is a promising technology; however, inhibition of VFAs production could easily occur at high loadings. In this study, Fe3O4 was used to enhance VFAs production in anaerobic fermentation of FW at high loading, and the mechanisms involved were revealed at microbial levels. Results showed that Fe3O4 significantly enhanced VFAs yield and VFAs productivity of microbes by 160% at high loading (substrate to inoculum (S/I) ratio of 3). The enhancement effect of Fe3O4 was mainly due to the accelerated hydrolysis of particulate/soluble organics, the enriched hydrolytic and acidogenic bacteria, and the reduced relative abundance of Lactobacillus. This study provides a new approach for the high-efficient treatment of FW at high loadings, while the performance and economic benefit should be further studied for practical application.
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Affiliation(s)
- Lanting Wang
- Graduate School of Life and Environmental Sciences, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8572, Japan
| | - Zhongfang Lei
- Faculty of Life and Environmental Sciences, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8572, Japan
| | - Xiaojing Yang
- School of Environmental Science and Engineering, Sun Yat-Sen University, Guangzhou 510275, China
| | - Chi Zhang
- Graduate School of Life and Environmental Sciences, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8572, Japan
| | - Chang Liu
- Graduate School of Life and Environmental Sciences, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8572, Japan
| | - Kazuya Shimizu
- Faculty of Life and Environmental Sciences, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8572, Japan
| | - Zhenya Zhang
- Faculty of Life and Environmental Sciences, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8572, Japan
| | - Tian Yuan
- Faculty of Life and Environmental Sciences, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8572, Japan.
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14
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Lee HS, Xin W, Katakojwala R, Venkata Mohan S, Tabish NMD. Microbial electrolysis cells for the production of biohydrogen in dark fermentation - A review. BIORESOURCE TECHNOLOGY 2022; 363:127934. [PMID: 36100184 DOI: 10.1016/j.biortech.2022.127934] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/24/2022] [Revised: 09/01/2022] [Accepted: 09/06/2022] [Indexed: 06/15/2023]
Abstract
To assess biohydrogen for future green energy, this review revisited dark fermentation and microbial electrolysis cells (MECs). Hydrogen evolution rate in mesophilic dark fermentation is as high as 192 m3 H2/m3-d, however hydrogen yield is limited. MECs are ideal for improving hydrogen yield from carboxylate accumulated from dark fermentation, whereas hydrogen production rate is too slow in MECs. Hence, improving anode kinetic is very important for realizing MEC biohydrogen. Intracellular electron transfer (IET) and extracellular electron transfer (EET) can limit current density in MECs, which is proportional to hydrogen evolution rate. EET does not limit current density once electrically conductive biofilms are formed on anodes, potentially producing 300 A/m2. Hence, IET kinetics mainly govern current density in MECs. Among parameters associated with IET kinetic, population of anode-respiring bacteria in anode biofilms, biofilm density of active microorganisms, biofilm thickness, and alkalinity are critical for current density.
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Affiliation(s)
- Hyung-Sool Lee
- KENTECH Institute for Environmental and Climate Technology, Korea Institute of Energy Technology (KENTECH) 200 Hyeoksin-ro, Naju-si, Jeollanam-do, Republic of Korea.
| | - Wang Xin
- MOE Key Laboratory of Pollution Processes and Environmental Criteria/Tianjin Key Laboratory of Environmental Remediation and Pollution Control, College of Environmental Science and Engineering, Nankai University, No. 38 Tongyan Road, Jinnan District, Tianjin 300350, China
| | - Ranaprathap Katakojwala
- Bioengineering and Environmental Engineering Lab, Department of Energy and Environmental Engineering, Indian Institute of Chemical Technology, Hyderabad 500007, India
| | - S Venkata Mohan
- Bioengineering and Environmental Engineering Lab, Department of Energy and Environmental Engineering, Indian Institute of Chemical Technology, Hyderabad 500007, India
| | - Noori M D Tabish
- Department of Analytical Chemistry, Physical Chemistry and Chemical Engineering, University of Alcala, Alcala De Henares, Madrid 28801, Spain
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15
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Li Z, Fu Q, Su H, Yang W, Chen H, Zhang B, Hua L, Xu Q. Model development of bioelectrochemical systems: A critical review from the perspective of physiochemical principles and mathematical methods. WATER RESEARCH 2022; 226:119311. [PMID: 36369684 DOI: 10.1016/j.watres.2022.119311] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/20/2022] [Revised: 10/24/2022] [Accepted: 10/28/2022] [Indexed: 06/16/2023]
Abstract
Bioelectrochemical systems (BESs) are promising devices for wastewater treatment and bio-energy production. Since various processes are interacted and affect the overall performance of the device, the development of theoretical modeling is an efficient approach to understand the fundamental mechanisms that govern the performance of the BES. This review aims to summarize the physiochemical principle and mathematical method in BES models, which is of great importance for the establishment of an accurate model while has received little attention in previous reviews. In this review, we begin with a classification of existing models including bioelectrochemical models, electronic models, and machine learning models. Subsequently, physiochemical principles and mathematical methods in models are discussed from two aspects: one is the description of methodology how to build a framework for models, and the other is to further review additional methods that can enrich model functions. Finally, the advantages/disadvantages, extended applications, and perspectives of models are discussed. It is expected that this review can provide a viewpoint from methodologies to understand BES models.
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Affiliation(s)
- Zhuo Li
- Institute for Energy Research, Jiangsu University, Zhenjiang, 212013, PR China; Key Laboratory of Low-grade Energy Utilization Technologies and Systems (Chongqing University), Ministry of Education of China, Chongqing University, Chongqing 400044, PR China
| | - Qian Fu
- Key Laboratory of Low-grade Energy Utilization Technologies and Systems (Chongqing University), Ministry of Education of China, Chongqing University, Chongqing 400044, PR China
| | - Huaneng Su
- Institute for Energy Research, Jiangsu University, Zhenjiang, 212013, PR China
| | - Wei Yang
- State Key Laboratory of Hydraulics and Mountain River Engineering, College of Water Resource & Hydropower, Sichuan University, Chengdu, 610065, PR China
| | - Hao Chen
- School of Energy and Power Engineering, Jiangsu University, Zhenjiang, 212013, PR China
| | - Bo Zhang
- Institute for Energy Research, Jiangsu University, Zhenjiang, 212013, PR China
| | - Lun Hua
- Tsinghua University Suzhou Automotive Research Institute, Suzhou, 215200, PR China
| | - Qian Xu
- Institute for Energy Research, Jiangsu University, Zhenjiang, 212013, PR China.
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16
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Lee HS, Lee SY, Yoo K, Kim HW, Lee E, Im NG. Biohydrogen production and purification: Focusing on bioelectrochemical systems. BIORESOURCE TECHNOLOGY 2022; 363:127956. [PMID: 36115508 DOI: 10.1016/j.biortech.2022.127956] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/02/2022] [Revised: 09/06/2022] [Accepted: 09/08/2022] [Indexed: 06/15/2023]
Abstract
Innovative technologies on green hydrogen production become significant as the hydrogen economy has grown globally. Biohydrogen is one of green hydrogen production methods, and microbial electrochemical cells (MECs) can be key to biohydrogen provision. However, MECs are immature for biohydrogen technology due to several limitations including extracellular electron transfer (EET) engineering. Fundamental understanding of EET also needs more works to accelerate MEC commercialization. Interestingly, studies on biohydrogen gas purification are limited although biohydrogen gas mixture requires complex purification for use. To facilitate an MEC-based biohydrogen technology as the green hydrogen supply this review discussed EET kinetics, engineering of EET and direct interspecies electron transfer associated with hydrogen yield and the application of advanced molecular biology for improving EET kinetics. Finally, this article reviewed biohydrogen purification technologies to better understand purification and use appropriate for biohydrogen, focusing on membrane separation.
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Affiliation(s)
- Hyung-Sool Lee
- KENTECH Institute for Environmental and Climate Technology, Korea Institute of Energy Technology (KENTECH), 200 Hyeoksin-ro, Naju-si, Jeollanam-do, South Korea.
| | - Soo Youn Lee
- Gwangju Clean Energy Research Center, Korea Institute of Energy Research, 61003 Gwangju, South Korea
| | - Keunje Yoo
- Department of Environmental Engineering, Korea Maritime and Ocean University, Busan 49112, South Korea
| | - Hyo Won Kim
- KENTECH Institute for Environmental and Climate Technology, Korea Institute of Energy Technology (KENTECH), 200 Hyeoksin-ro, Naju-si, Jeollanam-do, South Korea
| | - Eunseok Lee
- KENTECH Institute for Environmental and Climate Technology, Korea Institute of Energy Technology (KENTECH), 200 Hyeoksin-ro, Naju-si, Jeollanam-do, South Korea
| | - Nam Gyu Im
- KENTECH Institute for Environmental and Climate Technology, Korea Institute of Energy Technology (KENTECH), 200 Hyeoksin-ro, Naju-si, Jeollanam-do, South Korea
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17
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Noori MT, Min B. Fundamentals and recent progress in bioelectrochemical system-assisted biohythane production. BIORESOURCE TECHNOLOGY 2022; 361:127641. [PMID: 35863600 DOI: 10.1016/j.biortech.2022.127641] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/30/2022] [Revised: 07/13/2022] [Accepted: 07/14/2022] [Indexed: 06/15/2023]
Abstract
Biohythane, a balanced mixture of 10%-30% v/v of hydrogen and 70%-90% v/v of methane, could be the backbone of an all-purpose future energy supply. Recently, bioelectrochemical systems (BES) became a new sensation among environmental biotechnology processes with the potential to sustainably generate biohythane. Therefore, to unleash its full potential for scaling up, researchers are consistently improving microbial metabolic pathways, novel reactors, and electrode designs. This review presents a detailed analysis of recently discovered fundamental mechanisms and science and engineering intervention of different strategies to improve the biohythane composition and production rate from BES. However, several milestones are to be achieved, for instance, improving electrode kinetics using efficient catalysts, engineered microbial communities, and improved reactor configurations, for commercializing this sustainable technology. Thus, a future perspective section is included to recommend novel research lines, mainly focusing on the microbial communities and the efficient electrocatalysts, to enhance reactor performance.
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Affiliation(s)
- Md Tabish Noori
- Department of Environmental Science and Engineering, Kyung Hee University - Global Campus, Yongin-Si, Republic of Korea
| | - Booki Min
- Department of Environmental Science and Engineering, Kyung Hee University - Global Campus, Yongin-Si, Republic of Korea.
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18
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Nguyen HTT, Noori MT, Min B. Accelerating anaerobic digestion process with novel single chamber microbial electrochemical systems with baffle. BIORESOURCE TECHNOLOGY 2022; 359:127474. [PMID: 35714783 DOI: 10.1016/j.biortech.2022.127474] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/30/2022] [Revised: 06/09/2022] [Accepted: 06/11/2022] [Indexed: 06/15/2023]
Abstract
A newly designed microbial electrochemical system (MES) with the addition of a baffle between the electrodes was integrated with the anaerobic digestion (AD) process for biogas upgradation. Novel MES configuration attained an increased methane production rate of 292.6 mL/L∙d and methane yield of 0.36 ± 0.006 [Formula: see text] /gCOD, which were higher than the values (185.3 mL/L∙d and 0.33 ± 0.009 [Formula: see text] /gCOD) from the MES operation without baffle, respectively. Moreover, the MES with baffle operation resulted in increased substrate removal (88.4 ± 0.5%) and less volatile fatty acids accumulation with a high energy efficiency of 99.6 %. Microbial community analysis revealed that acids metabolizing bacteria, Firmicutes, and Methanothrix were highly enriched in the cathode biofilm of MES with baffle. This study suggests that the baffle addition into the single chamber MES is beneficial to further improve the methanogenesis process for practical applications in the scaled-up MES-AD process.
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Affiliation(s)
- Huong Thi Thu Nguyen
- Department of Environmental Science and Engineering, Kyung Hee University, Seocheon-dong, Yongin-si, Gyeonggi-do 446-701, Republic of Korea
| | - Md Tabish Noori
- Department of Environmental Science and Engineering, Kyung Hee University, Seocheon-dong, Yongin-si, Gyeonggi-do 446-701, Republic of Korea
| | - Booki Min
- Department of Environmental Science and Engineering, Kyung Hee University, Seocheon-dong, Yongin-si, Gyeonggi-do 446-701, Republic of Korea.
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19
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Zakaria BS, Guo H, Kim Y, Dhar BR. Molecular biology and modeling analysis reveal functional roles of propionate to acetate ratios on microbial syntrophy and competition in electro-assisted anaerobic digestion. WATER RESEARCH 2022; 216:118335. [PMID: 35358877 DOI: 10.1016/j.watres.2022.118335] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/02/2022] [Revised: 03/08/2022] [Accepted: 03/19/2022] [Indexed: 06/14/2023]
Abstract
This study examined the significance of propionate to acetate (HPr/HAc) ratios on microbial syntrophy and competition in microbial electrolysis cell-assisted anaerobic digestion (MEC-AD). In addition to molecular biology and phylogenetic analysis, a numerical MEC-AD model was developed by modifying Anaerobic Digestion Model No.1 to predict the effects of different HPr/HAc ratios (0.5, 1.5, 2.5, and 5). The HPr/HAc ratios of 0.5 and 1.5 maintained efficient syntrophy among electroactive bacteria, hydrogenotrophic methanogens, and homoacetogens, leading to higher methane yields. In contrast, higher HPr/HAc ratios of 2.5 and 5 were detrimental to methanogenesis. Both microbial community analysis and numerical modeling results suggested that higher propionate levels could promote the enrichment of H2-utilizing acetogens, thereby triggering their competition with hydrogenotrophic methanogens. Moreover, protein fraction in extracellular polymeric substances and the relative expression of genes associated with extracellular electron transfer in both anode and cathode biofilms were markedly decreased with increasing HPr/HAc ratios, indicating partial inhibition of microbial electroactivity. Overall, these results illuminate deep insight into anaerobic syntrophy, contributing to the process kinetics and methane yields in MEC-AD systems. Furthermore, from a practical viewpoint, the results can also be helpful in effective control of MEC-AD operation without propionate accumulation.
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Affiliation(s)
- Basem S Zakaria
- Civil and Environmental Engineering, University of Alberta, Edmonton, AB T6G 1H9, Canada
| | - Hui Guo
- Civil Engineering, McMaster University, Hamilton, ON L8S 4L8, Canada
| | - Younggy Kim
- Civil Engineering, McMaster University, Hamilton, ON L8S 4L8, Canada
| | - Bipro Ranjan Dhar
- Civil and Environmental Engineering, University of Alberta, Edmonton, AB T6G 1H9, Canada.
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20
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Deng X, Luo D, Okamoto A. Defined and unknown roles of conductive nanoparticles for the enhancement of microbial current generation: A review. BIORESOURCE TECHNOLOGY 2022; 350:126844. [PMID: 35158034 DOI: 10.1016/j.biortech.2022.126844] [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: 11/05/2021] [Revised: 02/06/2022] [Accepted: 02/08/2022] [Indexed: 06/14/2023]
Abstract
The ability of various bacteria to make use of solid substrates through extracellular electron transfer (EET) or extracellular electron uptake (EEU) has enabled the development of valuable biotechnologies such as microbial fuel cells (MFCs) and microbial electrosynthesis (MES). It is common practice to use metallic and semiconductive nanoparticles (NPs) for microbial current enhancement. However, the effect of NPs is highly variable between systems, and there is no clear guideline for effectively increasing the current generation. In the present review, the proposed mechanisms for enhancing current production in MFCs and MES are summarized, and the critical factors for NPs to enhance microbial current generation are discussed. Implications for microbially induced iron corrosion, where iron sulfide NPs are proposed to enhance the rate of EEU, photochemically driven MES, and several future research directions to further enhance microbial current generation, are also discussed.
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Affiliation(s)
- Xiao Deng
- International Center for Materials Nanoarchitectonics (WPI-MANA), National Institute for Materials Science, 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan
| | - Dan Luo
- International Center for Materials Nanoarchitectonics (WPI-MANA), National Institute for Materials Science, 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan; Graduate School of Chemical Sciences and Engineering, Hokkaido University, North 13 West 8, Kita-ku, Sapporo, Hokkaido 060-8628, Japan
| | - Akihiro Okamoto
- International Center for Materials Nanoarchitectonics (WPI-MANA), National Institute for Materials Science, 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan; Graduate School of Chemical Sciences and Engineering, Hokkaido University, North 13 West 8, Kita-ku, Sapporo, Hokkaido 060-8628, Japan.
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21
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Mo H, Wang N, Ma Z, Zhang J, Zhang J, Wang L, Dong W, Zang L. Hydroxyapatite Fabrication for Enhancing Biohydrogen Production from Glucose Dark Fermentation. ACS OMEGA 2022; 7:10550-10558. [PMID: 35382266 PMCID: PMC8973120 DOI: 10.1021/acsomega.2c00059] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/04/2022] [Accepted: 03/09/2022] [Indexed: 05/10/2023]
Abstract
Hydroxyapatite (HA) had the effect of maintaining the pH balance of the reaction system and promoting enzyme activity. In this work, hydroxyapatite was synthesized by coprecipitation and characterized for biohydrogen (bioH2) production from glucose. The highest bioH2 yield obtained was 182.33 ± 2.41 mL/g glucose, amended with an optimal dosage of 400 mg/L HA, which was a 55.80% higher bioH2 yield compared with the control group without any addition. The results indicated that HA facilitated the deterioration of organic substances and increased the concentration of soluble microbial products (SMPs). Microbial community analysis revealed that HA significantly increased the abundance of Firmicutes from 35.27% (0 mg/L, HA) to 76.41% (400 mg/L, HA), which played an essential role in bioH2 generation. In particular, the abundance of Clostridium sensu stricto 1 increased from 15.33% (0 mg/L HA) to 45.17% (400 mg/L HA) and became the dominant bacteria. The results also indicated that HA likely improves bioH2 production from organic wastewater in practice.
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Affiliation(s)
- Haoe Mo
- School
of Environmental Science and Engineering, Qilu University of Technology (Shandong Academy of Science), Jinan 250353, China
| | - Na Wang
- School
of Environmental Science and Engineering, Qilu University of Technology (Shandong Academy of Science), Jinan 250353, China
| | - Zhongmin Ma
- School
of Environmental Science and Engineering, Qilu University of Technology (Shandong Academy of Science), Jinan 250353, China
| | - Jishi Zhang
- School
of Environmental Science and Engineering, Qilu University of Technology (Shandong Academy of Science), Jinan 250353, China
| | - Jinlong Zhang
- Jilin
Meihua Amino Acid Co., Ltd., Baicheng 137000, China
| | - Lu Wang
- Jilin
Meihua Amino Acid Co., Ltd., Baicheng 137000, China
| | - Weifang Dong
- School
of Environmental Science and Engineering, Qilu University of Technology (Shandong Academy of Science), Jinan 250353, China
- E-mail:
| | - Lihua Zang
- School
of Environmental Science and Engineering, Qilu University of Technology (Shandong Academy of Science), Jinan 250353, China
- Jilin
Meihua Amino Acid Co., Ltd., Baicheng 137000, China
- E-mail:
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22
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Ashraf H, Batool T, Anjum T, Illyas A, Li G, Naseem S, Riaz S. Antifungal Potential of Green Synthesized Magnetite Nanoparticles Black Coffee-Magnetite Nanoparticles Against Wilt Infection by Ameliorating Enzymatic Activity and Gene Expression in Solanum lycopersicum L. Front Microbiol 2022; 13:754292. [PMID: 35308392 PMCID: PMC8928266 DOI: 10.3389/fmicb.2022.754292] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2021] [Accepted: 01/04/2022] [Indexed: 11/28/2022] Open
Abstract
Tomato plants are prone to various biotic and abiotic stresses. Fusarium wilt is one of the most devasting diseases of tomatoes caused by Fusarium oxysporum f. sp. lycopersici, causing high yield and economic losses annually. Magnetite nanoparticles (Fe3O4 NPs) are one of the potent candidates to inhibit fungal infection by improving plant growth parameters. Spinach has been used as a starting material to synthesize green-synthesized iron oxide nanoparticles (IONPs). Various extracts, i.e., pomegranate juice, white vinegar, pomegranate peel, black coffee (BC), aloe vera peel, and aspirin, had been used as reducing/stabilizing agents to tune the properties of the Fe3O4 NPs. After utilizing spinach as a precursor and BC as a reducing agent, the X-ray diffraction (XRD) pattern showed cubic magnetite (Fe3O4) phase. Spherical-shaped nanoparticles (∼20 nm) with superparamagnetic nature indicated by scanning electron microscopy (SEM) monographs, whereas energy-dispersive X-ray gives good elemental composition in Fe3O4 NPs. A characteristic band of Fe-O at ∼ 561 cm-1 was exhibited by the Fourier transform infrared (FTIR) spectrum. X-ray photoelectron spectroscopy (XPS) results confirmed the binding energies of Fe 2p3/2 (∼710.9 eV) and Fe 2p1/2 (∼724.5 eV) while, Raman bands at ∼310 cm-1 (T2 g ), ∼550 cm-1 (T2 g ), and 670 cm-1 (A1 g ) indicated the formation of Fe3O4 NPs synthesized using BC extract. The in vitro activity of BC-Fe3O4 NPs significantly inhibited the mycelial growth of F. oxysporum both at the third and seventh day after incubation, in a dose-dependent manner. In vivo studies also exhibited a substantial reduction in disease severity and incidence by improving plant growth parameters after treatment with different concentrations of BC-Fe3O4 NPs. The increasing tendency in enzymatic activities had been measured after treatment with different concentrations of NPs both in roots and shoot of tomato plants as compared to the control. Correspondingly, the upregulation of PR-proteins and defense genes are in line with the results of the enzymatic activities. The outcome of the present findings suggests that Fe3O4 NPs has the potential to control wilt infection by enhancing plant growth. Hence, Fe3O4 NPs, being non-phytotoxic, have impending scope in the agriculture sector to attain higher yield by managing plant diseases.
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Affiliation(s)
- Hina Ashraf
- Guangdong Key Laboratory for New Technology Research of Vegetables, Vegetable Research Institute, Guangdong Academy of Agricultural Sciences, Guangzhou, China
- Centre of Excellence in Solid State Physics, University of the Punjab, Lahore, Pakistan
- Department of Plant Pathology, Faculty of Agricultural sciences, University of the Punjab, Lahore, Pakistan
| | - Tanzeela Batool
- Centre of Excellence in Solid State Physics, University of the Punjab, Lahore, Pakistan
| | - Tehmina Anjum
- Department of Plant Pathology, Faculty of Agricultural sciences, University of the Punjab, Lahore, Pakistan
| | - Aqsa Illyas
- Centre of Excellence in Solid State Physics, University of the Punjab, Lahore, Pakistan
| | - Guihua Li
- Guangdong Key Laboratory for New Technology Research of Vegetables, Vegetable Research Institute, Guangdong Academy of Agricultural Sciences, Guangzhou, China
| | - Shahzad Naseem
- Centre of Excellence in Solid State Physics, University of the Punjab, Lahore, Pakistan
| | - Saira Riaz
- Centre of Excellence in Solid State Physics, University of the Punjab, Lahore, Pakistan
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Noori MT, Thatikayala D, Pant D, Min B. A critical review on microbe-electrode interactions towards heavy metal ion detection using microbial fuel cell technology. BIORESOURCE TECHNOLOGY 2022; 347:126589. [PMID: 34929327 DOI: 10.1016/j.biortech.2021.126589] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/31/2021] [Revised: 12/14/2021] [Accepted: 12/16/2021] [Indexed: 06/14/2023]
Abstract
Implicit interaction of electroactive microbes with solid electrodes is an interesting phenomenon in nature, which supported development of bioelectrochemical systems (BESs), especially the microbial fuel cell (MFCs) for valorization of low-value waste streams into bioelectricity. Intriguingly, the metabolism of interacted microbes with electrode is affected by the microenvironment at electrodes, which influences the current response. For instance, when heavy metal ions (HMIs) are imposed in the medium, the current production decreases due to their intrinsic toxic effect. This event provides an immense opportunity to utilize MFC as a sensor to selectively detect HMIs in the environment, which has been explored vastly in recent decade. In this review, we have concisely discussed the microbial interaction with electrodes and mechanism of detection of HMIs using an MFC. Recent advancement in sensing elements and their application is elaborated with a future perspective section for follow-up research and development in this field.
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Affiliation(s)
- Md Tabish Noori
- Department of Environmental Science and Engineering, Kyung Hee University - Global Campus, Gyeonggi-do 446-701, Republic of Korea
| | - Dayakar Thatikayala
- Department of Environmental Science and Engineering, Kyung Hee University - Global Campus, Gyeonggi-do 446-701, Republic of Korea
| | - Deepak Pant
- Separation & Conversion Technology, Flemish Institute for Technological Research (VITO), Boeretang 200, Mol 2400, Belgium
| | - Booki Min
- Department of Environmental Science and Engineering, Kyung Hee University - Global Campus, Gyeonggi-do 446-701, Republic of Korea.
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24
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Mohanty A, Mankoti M, Rout PR, Meena SS, Dewan S, Kalia B, Varjani S, Wong JW, Banu JR. Sustainable utilization of food waste for bioenergy production: A step towards circular bioeconomy. Int J Food Microbiol 2022; 365:109538. [DOI: 10.1016/j.ijfoodmicro.2022.109538] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2021] [Revised: 12/10/2021] [Accepted: 01/08/2022] [Indexed: 10/19/2022]
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25
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Wang W, Lee DJ, Lei Z. Integrating anaerobic digestion with microbial electrolysis cell for performance enhancement: A review. BIORESOURCE TECHNOLOGY 2022; 344:126321. [PMID: 34785334 DOI: 10.1016/j.biortech.2021.126321] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/05/2021] [Revised: 11/04/2021] [Accepted: 11/09/2021] [Indexed: 06/13/2023]
Abstract
Anaerobic digestion has been recognized as promising technology for bioenergy production, while the bottlenecks including long start up times, low methane contents, and susceptibility toward environmental change attenuate the process benefits. Integrating microbials electrolysis cell (MEC) with anaerobic digestion (AD) has been recognized as a promising strategy for alleviate the performance bottleneck. This review summarized and updated the current researches that utilize MEC-AD for enhanced methane production from biomass. The integrated AD-MEC was first elucidated, followed by illustrations on strategies for process performance enhancements, parameters effects, and the associated applications. Finally, the challenges and prospects were outlined in this work.
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Affiliation(s)
- Wei Wang
- Department of Chemical Engineering, National Taiwan University, Taipei, Taiwan; Chemistry Division, Institute of Nuclear Energy Research, Taoyuan, Taiwan
| | - Duu-Jong Lee
- Department of Chemical Engineering, National Taiwan University, Taipei, Taiwan; Department of Mechanical Engineering, City University of Hong Kong, Kowloon Tang, Hong Kong
| | - Zhongfang Lei
- Faculty of Life and Environmental Sciences, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8572, Japan
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26
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Massazza D, Robledo AJ, Rodriguez Simón CN, Busalmen JP, Bonanni S. Energetics, electron uptake mechanisms and limitations of electroautotrophs growing on biocathodes - A review. BIORESOURCE TECHNOLOGY 2021; 342:125893. [PMID: 34537530 DOI: 10.1016/j.biortech.2021.125893] [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: 07/17/2021] [Revised: 08/31/2021] [Accepted: 09/03/2021] [Indexed: 06/13/2023]
Abstract
Electroautotrophs are microorganisms that can take the electrons needed for energy generation, CO2 fixation and other metabolic reactions from a polarized electrode. They have been the focus of intense research for its application in wastewater treatment, bioelectrosynthetic processes and hydrogen generation. As a general trend, current densities produced by the electron uptake of these microorganisms are low, limiting their applicability at large scale. In this work, the electron uptake mechanisms that may operate in electroautotrophs are reviewed, aiming at finding possible causes for this low performance. Biomass yields, growth rates and electron uptake rates observed when these microorganisms use chemical electron donors are compared with those typically obtained with electrodes, to explore limitations and advantages inherent to the electroautotrophic metabolism. Also, the factors affecting biofilm development are analysed to show how interfacial interactions condition bacterial adhesion, biofilm growth and electrons uptake. Finally, possible strategies to overcome these limitations are described.
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Affiliation(s)
- Diego Massazza
- División Ingeniería de Interfases y Bioprocesos, INTEMA (Conicet, Universidad Nacional de Mar del Plata), Av. Colón 10850, Mar del Plata 7600, Argentina
| | - Alejandro Javier Robledo
- División Ingeniería de Interfases y Bioprocesos, INTEMA (Conicet, Universidad Nacional de Mar del Plata), Av. Colón 10850, Mar del Plata 7600, Argentina
| | - Carlos Norberto Rodriguez Simón
- División Ingeniería de Interfases y Bioprocesos, INTEMA (Conicet, Universidad Nacional de Mar del Plata), Av. Colón 10850, Mar del Plata 7600, Argentina
| | - Juan Pablo Busalmen
- División Ingeniería de Interfases y Bioprocesos, INTEMA (Conicet, Universidad Nacional de Mar del Plata), Av. Colón 10850, Mar del Plata 7600, Argentina
| | - Sebastián Bonanni
- División Ingeniería de Interfases y Bioprocesos, INTEMA (Conicet, Universidad Nacional de Mar del Plata), Av. Colón 10850, Mar del Plata 7600, Argentina.
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27
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Qin X, Lu X, Cai T, Niu C, Han Y, Zhang Z, Zhu X, Zhen G. Magnetite-enhanced bioelectrochemical stimulation for biodegradation and biomethane production of waste activated sludge. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 789:147859. [PMID: 34052496 DOI: 10.1016/j.scitotenv.2021.147859] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/01/2021] [Revised: 05/11/2021] [Accepted: 05/14/2021] [Indexed: 06/12/2023]
Abstract
Microbial electrolytic cell (MEC) and magnetite (M) have shown excellent performance in promoting anaerobic digestion (AD) of biowastes. In this study, four types of anaerobic systems (i.e. single AD, M-AD, MEC-AD, and M-MEC-AD) were developed to comprehensively investigate the potential effects of magnetite-enhanced bioelectrochemical stimulation on the biodegradation of waste activated sludge (WAS) and methane (CH4) production. Results showed that M-MEC-AD system produced the highest cumulative CH4 yield, 9.4% higher than that observed in MEC-AD system. Bioelectrochemical stimulation enriched electroactive Geobacter, and classical methanogens (Methanosaeta and Methanobacterium), and the proliferation was further promoted when coupling with magnetite. The relative abundance of Geobacter (6.9%), Methanosaeta (0.3%), and Methanobacterium (12.6%) in M-MEC-AD system was about 10.8, 1.2, and 1.2 times of MEC-AD system, respectively. The integration of magnetite could serve as the conductive materials, and promote inherent indirect electron transfer (IET) and emerging direct electron transfer (DET) between methanogens and fermentative bacteria, building a more energy-efficient route for interspecies electron transfer and methane productivity. This study demonstrated the positive promotion of the coupled bioelectrochemical regulation and magnetite on organic biodegradation, process stability and CH4 productivity, providing some references for the integrated technology in sludge treatment and bioenergy recovery.
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Affiliation(s)
- Xi Qin
- Shanghai Key Lab for Urban Ecological Processes and Eco-Restoration, School of Ecological and Environmental Sciences, East China Normal University, Shanghai 200241, PR China
| | - Xueqin Lu
- Shanghai Key Lab for Urban Ecological Processes and Eco-Restoration, School of Ecological and Environmental Sciences, East China Normal University, Shanghai 200241, PR China; Institute of Eco-Chongming (IEC), 3663 N. Zhongshan Rd., Shanghai 200062, PR China; Shanghai Engineering Research Center of Biotransformation of Organic Solid Waste, Shanghai 200241, PR China.
| | - Teng Cai
- Shanghai Key Lab for Urban Ecological Processes and Eco-Restoration, School of Ecological and Environmental Sciences, East China Normal University, Shanghai 200241, PR China
| | - Chengxin Niu
- Shanghai Key Lab for Urban Ecological Processes and Eco-Restoration, School of Ecological and Environmental Sciences, East China Normal University, Shanghai 200241, PR China
| | - Yule Han
- Shanghai Key Lab for Urban Ecological Processes and Eco-Restoration, School of Ecological and Environmental Sciences, East China Normal University, Shanghai 200241, PR China
| | - Zhongyi Zhang
- Shanghai Key Lab for Urban Ecological Processes and Eco-Restoration, School of Ecological and Environmental Sciences, East China Normal University, Shanghai 200241, PR China
| | - Xuefeng Zhu
- School of Environment and Architecture, University of Shanghai for Science and Technology, Shanghai 200093, PR China
| | - Guangyin Zhen
- Shanghai Key Lab for Urban Ecological Processes and Eco-Restoration, School of Ecological and Environmental Sciences, East China Normal University, Shanghai 200241, PR China; Shanghai Engineering Research Center of Biotransformation of Organic Solid Waste, Shanghai 200241, PR China; Shanghai Institute of Pollution Control and Ecological Security, 1515 North Zhongshan Rd. (No. 2), Shanghai 200092, PR China; Technology Innovation Center for Land Spatial Eco-restoration in Metropolitan Area, Ministry of Natural Resources, 3663 N. Zhongshan Road, Shanghai 200062, China.
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28
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Zheng X, Wang H, Yan Q, Zhang G, Chen C. Simultaneous nitrogen removal and methane production from Taihu blue algae against ammonia inhibition using integrated bioelectrochemical system (BES). THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 777:146144. [PMID: 33684748 DOI: 10.1016/j.scitotenv.2021.146144] [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: 12/14/2020] [Revised: 02/22/2021] [Accepted: 02/22/2021] [Indexed: 06/12/2023]
Abstract
Simultaneous nitrogen removal and methane production using an integrated bioelectrochemical system (BES) during the anaerobic digestion (AD) process of Taihu blue algae were investigated. Upon an applied voltage of 0.4 V and total solids (TS) ratio of blue algae to anaerobic sludge as 1:1, the highest methanogenesis potential as 69.12 mL/g VS could be obtained, attaining 18.7 times of the TS ratio group of 3:1. Moreover, methane production of the integrated BES group reached 3.18 times of the AD group using conical flask, even with the same TS ratio (1:1) and initial ammonia nitrogen concentration (1000 mg NH4+-N/L). Apart from the bettered electrochemical performance, bio-augmented microbial genus responsible for acetoclastic methanogenesis, power generation, resisting to hostile circumstance, co-existence with hydrogenotrophic methanogens could all be enriched. Therefore, integrated BES with appropriate TS ratio under applied voltage might help offset both the ammonia and electrical stress, thereby to maintain enhanced biomethanation performance.
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Affiliation(s)
- Xiaoxiao Zheng
- School of Environmental and Civil Engineering, Jiangnan University, Wuxi 214122, China
| | - Han Wang
- School of Environmental and Civil Engineering, Jiangnan University, Wuxi 214122, China
| | - Qun Yan
- School of Environmental and Civil Engineering, Jiangnan University, Wuxi 214122, China; Jiangsu Key Laboratory of Anaerobic Biotechnology, Wuxi 214122, China; Jiangsu Collaborative Innovation Center of Technology and Material of Water Treatment, Suzhou 215011, China..
| | - Guangsheng Zhang
- School of Environmental and Civil Engineering, Jiangnan University, Wuxi 214122, China
| | - Chongjun Chen
- School of Environmental Science and Engineering, Suzhou University of Science and Technology, Suzhou 215009, China
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29
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Abstract
Goal of sustainable carbon neutral economy can be achieved by designing an efficient CO2 reduction system to generate biofuels, in particular, by mimicking the mechanism of natural photosynthesis using semiconducting nanomaterials interfaced with electroactive bacteria (EAB) in a photosynthetic microbial electrosynthesis (PMES) system. This review paper presents an overview of the recent advancements in the biohybrid photoanode and photocathode materials. We discuss the reaction mechanism observed at photoanode and photocathode to enhance our understanding on the solar driven MES. We extend the discussion by showcasing the potential activity of EABs toward high selectivity and production rates for desirable products by manipulating their genomic sequence. Additionally, the critical challenges associated in scaling up the PMES system including the strategies for diminution of reactive oxygen species, low solubility of CO2 in the typical electrolytes, low selectivity of product species are presented along with the suggestions of alternative strategies to achieve economically viable generation of (bio)commodities.
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30
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Liu C, Ren L, Yan B, Luo L, Zhang J, Awasthi MK. Electron transfer and mechanism of energy production among syntrophic bacteria during acidogenic fermentation: A review. BIORESOURCE TECHNOLOGY 2021; 323:124637. [PMID: 33421831 DOI: 10.1016/j.biortech.2020.124637] [Citation(s) in RCA: 33] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/03/2020] [Revised: 12/25/2020] [Accepted: 12/26/2020] [Indexed: 06/12/2023]
Abstract
Volatile fatty acids (VFAs) production plays an important role in the process of anaerobic digestion (AD), which is often the critical factor determining the metabolic pathways and energy recovery efficiency. Fermenting bacteria and acetogenic bacteria are in syntrophic relations during AD. Thus, clear elucidation of the interspecies electron transfer and energetic mechanisms among syntrophic bacteria is essential for optimization of acidogenic. This review aims to discuss the electron transfer and energetic mechanism in syntrophic processes between fermenting bacteria and acetogenic bacteria during VFAs production. Homoacetogenesis also plays a role in the syntrophic system by converting H2 and CO2 to acetate. Potential applications of these syntrophic activities in bioelectrochemical system and value-added product recovery from AD of organic wastes are also discussed. The study of acidogenic syntrophic relations is in its early stages, and additional investigation is required to better understand the mechanism of syntrophic relations.
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Affiliation(s)
- Chao Liu
- College of Resources and Environment, Hunan Agricultural University, Changsha 410128, PR China
| | - Liheng Ren
- College of Resources and Environment, Hunan Agricultural University, Changsha 410128, PR China
| | - Binghua Yan
- College of Resources and Environment, Hunan Agricultural University, Changsha 410128, PR China
| | - Lin Luo
- College of Resources and Environment, Hunan Agricultural University, Changsha 410128, PR China
| | - Jiachao Zhang
- College of Resources and Environment, Hunan Agricultural University, Changsha 410128, PR China
| | - Mukesh Kumar Awasthi
- College of Natural Resources and Environment, Northwest A&F University, Yangling, Shaanxi Province 712100, PR China; Swedish Centre for Resource Recovery, University of Borås, 50190 Borås, Sweden.
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31
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Patiño-Ruiz D, Meramo-Hurtado SI, Mehrvar M, Rehmann L, Quiñones-Bolaños E, González-Delgado ÁD, Herrera A. Environmental and Exergetic Analysis of Large-Scale Production of Citric Acid-Coated Magnetite Nanoparticles via Computer-Aided Process Engineering Tools. ACS OMEGA 2021; 6:3644-3658. [PMID: 33585745 PMCID: PMC7876683 DOI: 10.1021/acsomega.0c05184] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/24/2020] [Accepted: 12/24/2020] [Indexed: 06/12/2023]
Abstract
Considering that functional magnetite (Fe3O4) nanoparticles with exceptional physicochemical properties can be highly applicable in different fields, scaling-up strategies are becoming important for their large-scale production. This study reports simulations of scaled-up production of citric acid-coated magnetite nanoparticles (Fe3O4-cit), aiming to evaluate the potential environmental impacts (PEIs) and the exergetic efficiency. The simulations were performed using the waste reduction algorithm and the Aspen Plus software. PEI and energy/exergy performance are calculated and quantified. The inlet and outlet streams are estimated by expanding the mass and energy flow, setting operating parameters of processing units, and defining a thermodynamic model for properties estimation. The high environmental performance of the production process is attributed to the low outlet rate of PEI compared to the inlet rate. The product streams generate low PEI contribution (-3.2 × 103 PEI/y) because of the generation of environmentally friendlier substances. The highest results in human toxicity potential (3.2 × 103 PEI/y), terrestrial toxicity potential (3.2 × 103 PEI/y), and photochemical oxidation potential (2.6 × 104 PEI/y) are attributed to the ethanol within the waste streams. The energy source contribution is considerably low with 27 PEI/y in the acidification potential ascribed to the elevated levels of hydrogen ions into the atmosphere. The global exergy of 1.38% is attributed to the high irreversibilities (1.7 × 105 MJ/h) in the separation stage, especially, to the centrifuge CF-2 (5.07%). The sensitivity analysis establishes that the global exergy efficiency increases when the performance of the centrifuge CF-2 is improved, suggesting to address enhancements toward low disposal of ethanol in the wastewater.
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Affiliation(s)
- David
Alfonso Patiño-Ruiz
- Programa
de Doctorado en Ingeniería, Grupo de Nanomateriales e Ingeniería
de Procesos Asistida por Computador, Universidad
de Cartagena, 130010 Cartagena, Colombia
| | - Samir Isaac Meramo-Hurtado
- Programa
de Doctorado en Ingeniería, Grupo de Nanomateriales e Ingeniería
de Procesos Asistida por Computador, Universidad
de Cartagena, 130010 Cartagena, Colombia
- Programa
de Ingeniería Industrial, Grupo de Investigación de
Productividad y Gestión Empresarial, Fundación Universitaria Colombo Internacional, 130001 Cartagena, Colombia
| | - Mehrab Mehrvar
- Department
of Chemical Engineering, Ryerson University, M5B 2K3 Toronto, Ontario, Canada
| | - Lars Rehmann
- Department
of Chemical and Biochemical Engineering, University of Western Ontario, N6A 3K7 London, Ontario, Canada
| | - Edgar Quiñones-Bolaños
- Programa
de Doctorado en Ingeniería, Grupo de Nanomateriales e Ingeniería
de Procesos Asistida por Computador, Universidad
de Cartagena, 130010 Cartagena, Colombia
- Programa
de Ingeniería Civil, Grupo de Investigación de Modelación
Ambiental, Universidad de Cartagena, 130001 Cartagena, Colombia
| | - Ángel Dario González-Delgado
- Programa
de Doctorado en Ingeniería, Grupo de Nanomateriales e Ingeniería
de Procesos Asistida por Computador, Universidad
de Cartagena, 130010 Cartagena, Colombia
- Programa
de Ingeniería Química, Grupo de Nanomateriales e Ingeniería
de Procesos Asistida por Computador, Universidad
de Cartagena, 130010 Cartagena, Colombia
| | - Adriana Herrera
- Programa
de Doctorado en Ingeniería, Grupo de Nanomateriales e Ingeniería
de Procesos Asistida por Computador, Universidad
de Cartagena, 130010 Cartagena, Colombia
- Programa
de Ingeniería Química, Grupo de Nanomateriales e Ingeniería
de Procesos Asistida por Computador, Universidad
de Cartagena, 130010 Cartagena, Colombia
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32
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Baek G, Saikaly PE, Logan BE. Addition of a carbon fiber brush improves anaerobic digestion compared to external voltage application. WATER RESEARCH 2021; 188:116575. [PMID: 33152589 DOI: 10.1016/j.watres.2020.116575] [Citation(s) in RCA: 32] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/03/2020] [Revised: 10/11/2020] [Accepted: 10/26/2020] [Indexed: 06/11/2023]
Abstract
Two methods were examined to improve methane production efficiency in anaerobic digestion (AD) based on adding a large amount of surface area using a single electrically conductive carbon brush, or by adding electrodes as done in microbial electrolysis cells (MECs) to form a hybrid AD-MEC. To examine the impact of surface area relative to electrodes, AD reactors were fitted with a single large brush without electrodes (FB), half a large brush with two electrodes with an applied voltage (0.8 V) and operated in closed circuit (HB-CC) or open circuit (HB-OC) mode, or only two electrodes with a closed circuit and no large brush (NB-CC) (equivalent to an MEC). The three configurations with a half or full brush all had improved performance as shown by 57-82% higher methane generation rate parameters in the Gompertz model compared to NB-CC. The retained biomass was much higher in the reactors with large brush, which likely contributed to the rapid consumption of volatile fatty acids (VFAs) and therefore improved AD performance. A different microbial community structure was formed in the large-size brushes compared to the electrodes. Methanothrix was predominant in the biofilm of large-size carbon brush, while Geobacter (anode) and Methanobacterium (cathode) were highly abundant in the electrode biofilms. These results demonstrate that adding a high surface area carbon fiber brush will be a more effective method of improving AD performance than using MEC electrodes with an applied voltage.
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Affiliation(s)
- Gahyun Baek
- Department of Civil and Environmental Engineering, The Pennsylvania State University, 231Q Sackett Building, University Park, PA 16802, USA
| | - Pascal E Saikaly
- Biological and Environmental Science and Engineering Division, Water Desalination and Reuse Research Center, King Abdullah University of Science and Technology, Thuwal, Saudi Arabia
| | - Bruce E Logan
- Department of Civil and Environmental Engineering, The Pennsylvania State University, 231Q Sackett Building, University Park, PA 16802, USA.
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33
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Zhao Z, Zhang G, Zhang Y, Dou M, Li Y. Fe 3O 4 accelerates tetracycline degradation during anaerobic digestion: Synergistic role of adsorption and microbial metabolism. WATER RESEARCH 2020; 185:116225. [PMID: 32736283 DOI: 10.1016/j.watres.2020.116225] [Citation(s) in RCA: 52] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/16/2020] [Revised: 07/11/2020] [Accepted: 07/23/2020] [Indexed: 06/11/2023]
Abstract
Antibiotics contaminants, for example, tetracycline (TC) in the environment have attracted extensive attention around the world, and appropriate treatments for such contaminants are urgently required. In this study, five groups of anaerobic reactors supplemented with different amounts of Fe3O4 were operated periodically to investigate their performance on TC removal. The results showed that Fe3O4 effectively promoted TC removal. Compared with the control reactor, the TC removal efficiency was increased by 7.3% when co-digested with glucose, and increased by 40.4% when mono TC was digested in reactors with 5.0 g/L Fe3O4. Further analysis indicated that the probable mechanism of Fe3O4 promoting TC removal was through TC being adsorbed from the liquid onto Fe3O4, making TC more available for microbes to be biodegraded. Microbial community analysis indicated that the bacteria (Klebsiella, Pseudomonas, and Escherichia) related to TC removal were enriched, which meant more pathways for TC removal were available following the addition of Fe3O4. In addition, in the Fe3O4-supplemented reactors, syntrophic metabolism (between Desulfovibrio and Methanobacterium, Azonexus and Methanobacterium) were possibly established, which played an important role in improving TC removal and CH4 production. The electron transport system data further confirmed these results. The functional gene classification for Kyoto Encyclopedia of Genes and Genomes (KEGG) analysis demonstrated that the dominant functions enhanced by Fe3O4 supplementation was microbial metabolic activities.
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Affiliation(s)
- Zisheng Zhao
- School of Ecology and Environment, Zhengzhou University, Kexue Road 100, Zhengzhou 450001, China
| | - Guangyi Zhang
- School of Water Conservancy Science and Engineering, Zhengzhou University, Kexue Road 100, Zhengzhou 450001, China
| | - Yaobin Zhang
- Key Laboratory of Industrial Ecology and Envronmental Engineering (Ministry of Education), Ministry of Education, School of Environmental Science and Technology, Dalian University of Technology, Dalian 116024, China
| | - Ming Dou
- School of Ecology and Environment, Zhengzhou University, Kexue Road 100, Zhengzhou 450001, China
| | - Yang Li
- School of Ocean Science and Technology, Dalian University of Technology, Panjin 124221, China.
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34
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Efficient bio-electroreduction of CO2 to formate on a iron phthalocyanine-dispersed CDC in microbial electrolysis system. Electrochim Acta 2020. [DOI: 10.1016/j.electacta.2020.135887] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
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