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Zhang L, Jiang Q, Huang D, Bin Y, Luo D, Gao Y. Study on the mechanism of enhanced anaerobic ammonia oxidation performance by extracellular electron acceptor biochar. ENVIRONMENTAL TECHNOLOGY 2024; 45:4062-4072. [PMID: 37477378 DOI: 10.1080/09593330.2023.2240489] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/06/2023] [Accepted: 06/04/2023] [Indexed: 07/22/2023]
Abstract
ABSTRACTAnaerobic ammonia oxidation process has the advantages of energy and cost reduction, therefore, it has been considered as one of the main alternatives to conventional biological denitrification process in recent years. Biochar has been applied in the anammox process for nitrogen removal efficiency. But, due to its extracellular electron transfer capacity and abundance of redox-specific functional groups, which served as extracellular electron acceptor to anaerobically oxidize NH4+ is still controversy. In this study, the anaerobic ammonia oxidation was investigated when biochar was used as electron acceptor in the wastewater. According to the optimal process variables determined in the batch tests, when the influent NH4+-N concentration in the anaerobic ammonia oxidation reaction was 30-50 mg/L and the biochar dosing was at 10 g/L, it showed some promotion in the long-term experiments. The anaerobic ammonia oxidation process with biochar as the electron acceptor reached more than 60% NH4+-N removal efficiency in the system, and the ΔNO3--N/ΔNH4+-N ratio reached 0.19 which tended to the theoretical value. After 20 days, the voltage in the system keeps fluctuating about 4 mV, indicated that the functional bacteria using biochar as the electron acceptor gradually dominated the system. In addition, the abundance of norank_f__norank_o__SBR1031 in the Chloroflexi phylum has increased significantly at 29.92%, while the abundance of the major genus Candidatus_Kuenenia in AnAOB has decreased slightly at 11.47%.
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Affiliation(s)
- Li Zhang
- School of Municipal and Environmental Engineering, Shenyang Jianzhu University, Shenyang, People's Republic of China
| | - Qi Jiang
- School of Municipal and Environmental Engineering, Shenyang Jianzhu University, Shenyang, People's Republic of China
| | - Diannan Huang
- School of Municipal and Environmental Engineering, Shenyang Jianzhu University, Shenyang, People's Republic of China
| | - Ye Bin
- Appraisal Center for Environment and Engineering, Ministry of Ecology and Environment, Beijing, People's Republic of China
| | - Di Luo
- School of Municipal and Environmental Engineering, Shenyang Jianzhu University, Shenyang, People's Republic of China
| | - Yunan Gao
- School of Environmental and Chemical Engineering, Foshan University, Foshan, People's Republic of China
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2
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Naderi A, Kakavandi B, Giannakis S, Angelidaki I, Rezaei Kalantary R. Putting the electro-bugs to work: A systematic review of 22 years of advances in bio-electrochemical systems and the parameters governing their performance. ENVIRONMENTAL RESEARCH 2023; 229:115843. [PMID: 37068722 DOI: 10.1016/j.envres.2023.115843] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/07/2023] [Revised: 03/25/2023] [Accepted: 04/03/2023] [Indexed: 05/08/2023]
Abstract
Wastewater treatment using bioelectrochemical systems (BESs) can be considered as a technology finding application in versatile areas such as for renewable energy production and simultaneous reducing environmental problems, biosensors, and bioelectrosynthesis. This review paper reports and critically discusses the challenges, and advances in bio-electrochemical studies in the 21st century. To sum and critically analyze the strides of the last 20+ years on the topic, this study first provides a comprehensive analysis on the structure, performance, and application of BESs, which include Microbial Fuel Cells (MFCs), Microbial Electrolysis Cells (MECs) and Microbial Desalination Cells (MDCs). We focus on the effect of various parameters, such as electroactive microbial community structure, electrode material, configuration of bioreactors, anode unit volume, membrane type, initial COD, co-substrates and the nature of the input wastewater in treatment process and the amount of energy and fuel production, with the purpose of showcasing the modes of operation as a guide for future studies. The results of this review show that the BES have great potential in reducing environmental pollution, purifying saltwater, and producing energy and fuel. At a larger scale, it aspires to facilitate the path of achieving sustainable development and practical application of BES in real-world scenarios.
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Affiliation(s)
- Azra Naderi
- Research Center for Environmental Health Technology, Iran University of Medical Sciences, Tehran, Iran; Department of Environmental Health Engineering, School of Public Health, Iran University of Medical Sciences, Tehran, Iran
| | - Babak Kakavandi
- Research Center for Health, Safety and Environment, Alborz University of Medical Sciences, Karaj, Iran; Department of Environmental Health Engineering, Alborz University of Medical Sciences, Karaj, Iran
| | - Stefanos Giannakis
- Universidad Politécnica de Madrid, E.T.S. de Ingenieros de Caminos, Canales y Puertos, Departamento de Ingeniería Civil: Hidráulica, Energía y Medio Ambiente, Environment, Coast and Ocean Research Laboratory (ECOREL-UPM), C/Profesor Aranguren, s/n, ES-28040, Madrid, Spain
| | - Irini Angelidaki
- Department of Chemical and Biochemical Engineering, Technical University of Denmark, DK-2800, Lyngby, Denmark
| | - Roshanak Rezaei Kalantary
- Research Center for Environmental Health Technology, Iran University of Medical Sciences, Tehran, Iran; Department of Environmental Health Engineering, School of Public Health, Iran University of Medical Sciences, Tehran, Iran.
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3
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Synthesizing developments in the usage of solid organic matter in microbial fuel cells: A review. CHEMICAL ENGINEERING JOURNAL ADVANCES 2021. [DOI: 10.1016/j.ceja.2021.100140] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
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4
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Agricultural Waste and Wastewater as Feedstock for Bioelectricity Generation Using Microbial Fuel Cells: Recent Advances. FERMENTATION 2021. [DOI: 10.3390/fermentation7030169] [Citation(s) in RCA: 33] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
In recent years, there has been a significant accumulation of waste in the environment, and it is expected that this accumulation may increase in the years to come. Waste disposal has massive effects on the environment and can cause serious environmental problems. Thus, the development of a waste treatment system is of major importance. Agro-industrial wastewater and waste residues are mainly rich in organic substances, lignocellulose, hemicellulose, lignin, and they have a relatively high amount of energy. As a result, an effective agro-waste treatment system has several benefits, including energy recovery and waste stabilization. To reduce the impact of the consumption of fossil energy sources on our planet, the exploitation of renewable sources has been relaunched. All over the world, efforts have been made to recover energy from agricultural waste, considering global energy security as the final goal. To attain this objective, several technologies and recovery methods have been developed in recent years. The microbial fuel cell (MFC) is one of them. This review describes the power generation using various types of agro-industrial wastewaters and agricultural residues utilizing MFC. It also highlights the techno-economics and lifecycle assessment of MFC, its commercialization, along with challenges.
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5
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Zhang P, Sun Z, Zhang J, Pan B, Feng Y. A microbial electrochemical hybrid system for simultaneous sludge treatment, acid production, and desalination. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 760:144153. [PMID: 33352332 DOI: 10.1016/j.scitotenv.2020.144153] [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: 07/12/2020] [Revised: 10/10/2020] [Accepted: 11/26/2020] [Indexed: 06/12/2023]
Abstract
Excess sludge production from wastewater treatment plants has significantly increased, and sludge disposal has become a serious social and environmental problem. In this study, we constructed a microbial electrochemical hybrid system (MEHS) for simultaneous electricity generation, acid and alkali production, desalination, alkali pretreatment, and degradation of sludge. The alkaline solution generated in the MEHS was used for in situ sludge pretreatment. Owing to the efficiency in alkali pretreatment, a higher sludge degradation efficiency was obtained by the MEHS (Total chemical oxygen demand (TCOD) removal efficiency of 57.2%) than by the SMFC (TCOD removal efficiency of 51.7%). Moreover, the MEHS (0.165C) could recover more electricity from the sludge than a traditional single-chamber microbial fuel cell (SMFC, 0.133C). Additionally, the MEHS exhibited excellent performance in desalination (> 50%) and acid production. The system developed in this study provides a new solution for sludge degradation and multifunctional utilization.
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Affiliation(s)
- Peng Zhang
- Faculty of Environmental Science & Engineering, Kunming University of Science & Technology, Kunming, 650500, Yunnan, China; Yunnan Key Lab of Soil Carbon Sequestration and Pollution Control, Kunming 650500, Yunnan, China; State Key Laboratory of Urban Water Resource and Environment, School of Environment, Harbin Institute of Technology, No.73 Huanghe Road, Nangang District, Harbin 150090, China
| | - Zhengyi Sun
- Faculty of Environmental Science & Engineering, Kunming University of Science & Technology, Kunming, 650500, Yunnan, China; Yunnan Key Lab of Soil Carbon Sequestration and Pollution Control, Kunming 650500, Yunnan, China
| | - Jinshuo Zhang
- Faculty of Environmental Science & Engineering, Kunming University of Science & Technology, Kunming, 650500, Yunnan, China; Yunnan Key Lab of Soil Carbon Sequestration and Pollution Control, Kunming 650500, Yunnan, China
| | - Bo Pan
- Faculty of Environmental Science & Engineering, Kunming University of Science & Technology, Kunming, 650500, Yunnan, China; Yunnan Key Lab of Soil Carbon Sequestration and Pollution Control, Kunming 650500, Yunnan, China
| | - Yujie Feng
- State Key Laboratory of Urban Water Resource and Environment, School of Environment, Harbin Institute of Technology, No.73 Huanghe Road, Nangang District, Harbin 150090, China.
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6
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Moradian JM, Fang Z, Yong YC. Recent advances on biomass-fueled microbial fuel cell. BIORESOUR BIOPROCESS 2021; 8:14. [PMID: 38650218 PMCID: PMC10992463 DOI: 10.1186/s40643-021-00365-7] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2020] [Accepted: 01/25/2021] [Indexed: 02/06/2023] Open
Abstract
Biomass is one of the most abundant renewable energy resources on the earth, which is also considered as one of the most promising alternatives to traditional fuel energy. In recent years, microbial fuel cell (MFC) which can directly convert the chemical energy from organic compounds into electric energy has been developed. By using MFC, biomass energy could be directly harvested with the form of electricity, the most convenient, wide-spread, and clean energy. Therefore, MFC was considered as another promising way to harness the sustainable energies in biomass and added new dimension to the biomass energy industry. In this review, the pretreatment methods for biomass towards electricity harvesting with MFC, and the microorganisms utilized in biomass-fueled MFC were summarized. Further, strategies for improving the performance of biomass-fueled MFC as well as future perspectives were highlighted.
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Affiliation(s)
- Jamile Mohammadi Moradian
- Biofuels Institute, School of Environment and Safety Engineering, Jiangsu University, 301 Xuefu Road, Zhenjiang, 212013, China
| | - Zhen Fang
- Biofuels Institute, School of Environment and Safety Engineering, Jiangsu University, 301 Xuefu Road, Zhenjiang, 212013, China
| | - Yang-Chun Yong
- Biofuels Institute, School of Environment and Safety Engineering, Jiangsu University, 301 Xuefu Road, Zhenjiang, 212013, China.
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7
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Liang Y, Zhai H, Liu B, Ji M, Li J. Carbon nanomaterial-modified graphite felt as an anode enhanced the power production and polycyclic aromatic hydrocarbon removal in sediment microbial fuel cells. THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 713:136483. [PMID: 31954253 DOI: 10.1016/j.scitotenv.2019.136483] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/25/2019] [Revised: 12/31/2019] [Accepted: 12/31/2019] [Indexed: 06/10/2023]
Abstract
Sediment microbial fuel cells (SMFCs) can be used to generate electricity and remove organic contaminants. For electricity generation and contaminant removal, the anode material is one of important factors influencing the performance of SMFCs. In this study, graphene (GR), graphene oxide (GO) and carbon nanotubes (CNTs) were applied to modify the graphite felt (GF) anode in SMFCs during 110 d operation. An economical and easy modification method with the carbon nanomaterials was applied. The carbon nanomaterials increased the electrochemically active surface areas and biomass content of the anodes and correspondingly effectively enhanced the generation of electricity and the removal rates of loss on ignition (LOI) and polycyclic aromatic hydrocarbons (phenanthrene and pyrene). During the steady period from 50 d to 110 d, the GO-SMFCs favored the enrichment of EAB and thus output the highest voltages of 30.60-48.61 mV. The GR-SMFCs and GO-SMFCs generated high electric power of approximate 0.98 ± 0.14 kJ and 0.87 ± 0.04 kJ, followed by CNT-SMFCs (0.57 ± 0.06 kJ) and GF-SMFCs (0.49 ± 0.07 kJ) during the 110 d operation. The PAH degradation was not directly related to the electric current in the SMFCs. Near the anodes, the order of the phenanthrene removal rates was CNT-SMFCs (78.1%) > GR-SMFCs (73.0%) ≈ GO-SMFCs (71.2%) > GF-SMFCs (45.6%), and the order of the pyrene removal rates was GO-SMFCs (69.6%) ≈ GR-SMFCs (68.2%) ≈ CNT-SMFCs (66.7%) > GF-SMFCs (42.3%). The three carbon nanomaterials increased the microbial community diversity and slightly changed the microbial community distribution of biofilms on the anodes. Correlation analysis indicated that the degradation of phenanthrene was positively correlated with the abundances of Pseudomonas, Thauera, Diaphorobacter, Tumebacillus and Lysobacter. Pyrene degradation was strongly correlated with LOI degradation.
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Affiliation(s)
- Yinxiu Liang
- School of Environmental Science and Engineering, Tianjin University, Tianjin 300350, China
| | - Hongyan Zhai
- School of Environmental Science and Engineering, Tianjin University, Tianjin 300350, China.
| | - Boyue Liu
- School of Environment and Municipal Engineering, Tianjin Chengjian University, Tianjin 300384, China
| | - Min Ji
- School of Environmental Science and Engineering, Tianjin University, Tianjin 300350, China
| | - Jie Li
- College of Light Industry Science and Technology, Tianjin University of Science and Technology, Tianjin 300222, China
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8
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Zhang Y, Zhao YG, Guo L, Gao M. Two-stage pretreatment of excess sludge for electricity generation in microbial fuel cell. ENVIRONMENTAL TECHNOLOGY 2019; 40:1349-1358. [PMID: 29281942 DOI: 10.1080/09593330.2017.1422548] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/25/2017] [Accepted: 12/23/2017] [Indexed: 06/07/2023]
Abstract
Thermophiles hydrolysis and acidogens fermentation were sequentially adopted to pretreat excess sludge for microbial fuel cell (MFC) electricity production. The results indicated that MFC fed with the thermophiles-acidogens pretreated sludge (MFC AB), reached a higher removal of ammonia nitrogen than the MFC fed with the heating hydrolysis and acidogens fermentation pretreated sludge (MFC NB). However, compared with the MFC AB, MFC NB presented a better performance for removal of soluble chemical oxygen demand (SCOD) (90.08%) and protein (82.42%). As for the electricity production, MFC NB obtained higher voltage of 0.632 V and maximum power density with 1.05 W/m3 while MFC AB reached maximum voltage of 0.373 V and maximum power density of 0.58 W/m3. Bacterial 16S rRNA-based molecular microbial techniques showed that microbial communities on both MFC anode biofilms was diverse and different. The cooperation of fermentation bacteria and electricigen Shewanella baltica in the MFC NB may have contributed towards the improvement of electricity generation.
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Affiliation(s)
- Yi Zhang
- a Shandong Provincial Key Laboratory of Marine Environment and Geological Engineering (MEGE), College of Environmental Science and Engineering , Ocean University of China , Qingdao 266100 , People's Republic of China
| | - Yang-Guo Zhao
- a Shandong Provincial Key Laboratory of Marine Environment and Geological Engineering (MEGE), College of Environmental Science and Engineering , Ocean University of China , Qingdao 266100 , People's Republic of China
- b Key Laboratory of Marine Environment and Ecology (Ocean University of China), Ministry of Education , Qingdao 266100 , People's Republic of China
| | - Liang Guo
- a Shandong Provincial Key Laboratory of Marine Environment and Geological Engineering (MEGE), College of Environmental Science and Engineering , Ocean University of China , Qingdao 266100 , People's Republic of China
- b Key Laboratory of Marine Environment and Ecology (Ocean University of China), Ministry of Education , Qingdao 266100 , People's Republic of China
| | - Mengchun Gao
- a Shandong Provincial Key Laboratory of Marine Environment and Geological Engineering (MEGE), College of Environmental Science and Engineering , Ocean University of China , Qingdao 266100 , People's Republic of China
- b Key Laboratory of Marine Environment and Ecology (Ocean University of China), Ministry of Education , Qingdao 266100 , People's Republic of China
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9
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Factors Affecting the Effectiveness of Bioelectrochemical System Applications: Data Synthesis and Meta-Analysis. BATTERIES-BASEL 2018. [DOI: 10.3390/batteries4030034] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
Microbial fuel cells (MFCs) and microbial electrolysis cells (MECs) are promising bioelectrochemical systems (BESs) for simultaneous wastewater treatment and energy/resource recovery. Unlike conventional fuel cells that are based on stable chemical reactions, these BESs are sensitive to environmental and operating conditions, such as temperature, pH, external resistance, etc. Substrate type, electrode material, and reactor configuration are also important factors affecting power generation in MFCs and hydrogen production in MECs. In order to discuss the influence of these above factors on the performance of MFCs and MECs, this study analyzes published data via data synthesis and meta-analysis. The results revealed that domestic wastewater would be more suitable for treatment using MFCs or MECs, due to their lower toxicity for anode biofilms compared to swine wastewater and landfill leachate. The optimal temperature was 25–35 °C, optimal pH was 6–7, and optimal external resistance was 100–1000 Ω. Although systems using carbon cloth as the electrodes demonstrated better performance (due to carbon cloth’s large surface area for microbial growth), the high prices of this material and other existing carbonaceous materials make it inappropriate for practical applications. To scale up and commercialize MFCs and MECs in the future, enhanced system performance and stability are needed, and could be possibly achieved with improved system designs.
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10
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Doğruel S, Özgen AS. Effect of ultrasonic and microwave disintegration on physico-chemical and biodegradation characteristics of waste-activated sludge. ENVIRONMENTAL TECHNOLOGY 2017; 38:844-859. [PMID: 27467776 DOI: 10.1080/09593330.2016.1213771] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/08/2016] [Accepted: 07/13/2016] [Indexed: 06/06/2023]
Abstract
The purpose of this study was to investigate the effect of ultrasonic and microwave disintegration on physico-chemical and biodegradability properties of waste-activated sludge (WAS) from a municipal wastewater treatment plant. Another aim was to carry out particle size distribution (PSD) analysis as an integral component of sludge characterization to highlight the transformation mechanisms involved in pretreatment processes and better understand the biodegradation patterns of sonicated and irradiated WAS liquids examined by means of respirometric measurements. Various combinations of sonication and microwave irradiation parameters were applied to optimize operating conditions. The optimum ultrasonic density was determined as 1.5 W/mL, and energy dosages lower than 30,000 kJ/kg TS resulted in a fairly linear increase in the soluble chemical oxygen demand (SCOD) release. An irradiation time of 10 min and a temperature of 175°C were selected as the optimum microwave pretreatment conditions for sludge liquefaction. The most apparent impact of ultrasonication on the PSD of COD was the shifting of the peak at the particulate fraction (>1600 nm) toward the lowest size range (<2 nm). Microwave heating at the selected experimental conditions and ultrasonic pretreatment at 30,000 kJ/kg TS exhibited comparable size distribution and biodegradation characteristics to those of domestic sewage.
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Affiliation(s)
- Serdar Doğruel
- a Environmental Engineering Department, Faculty of Civil Engineering , Istanbul Technical University , Istanbul , Turkey
| | - Aslı Sedem Özgen
- a Environmental Engineering Department, Faculty of Civil Engineering , Istanbul Technical University , Istanbul , Turkey
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11
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Du H, Li F. Effects of varying the ratio of cooked to uncooked potato on the microbial fuel cell treatment of common potato waste. THE SCIENCE OF THE TOTAL ENVIRONMENT 2016; 569-570:841-849. [PMID: 27399871 DOI: 10.1016/j.scitotenv.2016.07.023] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/06/2016] [Revised: 06/28/2016] [Accepted: 07/03/2016] [Indexed: 06/06/2023]
Abstract
The effect of varying the ratio of cooked to uncooked potato in the performance of microbial fuel cell (MFC) treating common potato waste was investigated. Four MFCs were fed with a ratio of cooked (boiled) to uncooked (i.e. waste) potato of 0, 48.7, 67.3 and 85.6%. Respectively, the columbic efficiency was estimated as 53.5, 70.5, 92.7 and 71.1%, indicating significantly enhanced electricity generation and waste degradation at an initial feedstock mixing ratio of 2/3 cooked to 1/3 uncooked potato. The hydrolysis rate parameter (estimated using a first-order sequential hydrolysis and degradation model) increased from 0.061 to 0.191day(-1) as cooked potato was added which increased electricity generation efficiency from 24.6 to 278.9mA/m(2)/d and shortened the startup time for maximum current density from 25 to 5days. The potato slurries' chemical oxygen demand (COD) decreased by 86.6, 83.9, 84.1 and 86.3%, respectively, indicating no relationship exists between the fraction of boiled potato and the amount of COD reduction.
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Affiliation(s)
- Haixia Du
- Graduate School of Engineering, Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan.
| | - Fusheng Li
- River Basin Research Center, Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan
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12
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Chiu HY, Pai TY, Liu MH, Chang CA, Lo FC, Chang TC, Lo HM, Chiang CF, Chao KP, Lo WY, Lo SW, Chu YL. Electricity production from municipal solid waste using microbial fuel cells. WASTE MANAGEMENT & RESEARCH : THE JOURNAL OF THE INTERNATIONAL SOLID WASTES AND PUBLIC CLEANSING ASSOCIATION, ISWA 2016; 34:619-629. [PMID: 27231132 DOI: 10.1177/0734242x16649681] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
The organic content of municipal solid waste has long been an attractive source of renewable energy, mainly as a solid fuel in waste-to-energy plants. This study focuses on the potential to use microbial fuel cells to convert municipal solid waste organics into energy using various operational conditions. The results showed that two-chamber microbial fuel cells with carbon felt and carbon felt allocation had a higher maximal power density (20.12 and 30.47 mW m(-2) for 1.5 and 4 L, respectively) than those of other electrode plate allocations. Most two-chamber microbial fuel cells (1.5 and 4 L) had a higher maximal power density than single-chamber ones with corresponding electrode plate allocations. Municipal solid waste with alkali hydrolysis pre-treatment and K3Fe(CN)6 as an electron acceptor improved the maximal power density to 1817.88 mW m(-2) (~0.49% coulomb efficiency, from 0.05-0.49%). The maximal power density from experiments using individual 1.5 and 4 L two-chamber microbial fuel cells, and serial and parallel connections of 1.5 and 4 L two-chamber microbial fuel cells, was found to be in the order of individual 4 L (30.47 mW m(-2)) > serial connection of 1.5 and 4 L (27.75) > individual 1.5 L (20.12) > parallel connection of 1.5 and 4 L (17.04) two-chamber microbial fuel cells . The power density using municipal solid waste microbial fuel cells was compared with information in the literature and discussed.
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Affiliation(s)
- H Y Chiu
- Chaoyang University of Technology, Taichung, Taiwan, ROC
| | - T Y Pai
- National Taichung University of Education, Taichung, Taiwan, ROC
| | - M H Liu
- Chaoyang University of Technology, Taichung, Taiwan, ROC
| | - C A Chang
- Chaoyang University of Technology, Taichung, Taiwan, ROC
| | - F C Lo
- National Taiwan University, Taipei, Taiwan, ROC
| | - T C Chang
- National Taipei University of Technology, Taipei, Taiwan, ROC
| | - H M Lo
- Chaoyang University of Technology, Taichung, Taiwan, ROC
| | - C F Chiang
- China Medical University, Taichung, Taiwan, ROC
| | - K P Chao
- China Medical University, Taichung, Taiwan, ROC
| | - W Y Lo
- Chaoyang University of Technology, Taichung, Taiwan, ROC
| | - S W Lo
- National Central University, Taoyuan, Taiwan, ROC
| | - Y L Chu
- National Taiwan University of Science and Technology, Taipei, Taiwan, ROC
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13
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Mahmoud M, Parameswaran P, Torres CI, Rittmann BE. Relieving the fermentation inhibition enables high electron recovery from landfill leachate in a microbial electrolysis cell. RSC Adv 2016. [DOI: 10.1039/c5ra25918e] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
The energy value of the organic matter in landfill leachate can be captured with a microbial electrolysis cell (MEC), which oxidizes organic compounds at an anode and generates H2gas at a cathode.
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Affiliation(s)
- Mohamed Mahmoud
- Swette Center for Environmental Biotechnology
- The Biodesign Institute at Arizona State University
- Tempe
- USA
| | - Prathap Parameswaran
- Swette Center for Environmental Biotechnology
- The Biodesign Institute at Arizona State University
- Tempe
- USA
- Department of Civil Engineering
| | - César I. Torres
- Swette Center for Environmental Biotechnology
- The Biodesign Institute at Arizona State University
- Tempe
- USA
| | - Bruce E. Rittmann
- Swette Center for Environmental Biotechnology
- The Biodesign Institute at Arizona State University
- Tempe
- USA
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14
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Karthikeyan R, Selvam A, Cheng KY, Wong JWC. Influence of ionic conductivity in bioelectricity production from saline domestic sewage sludge in microbial fuel cells. BIORESOURCE TECHNOLOGY 2016; 200:845-852. [PMID: 26590759 DOI: 10.1016/j.biortech.2015.10.101] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/28/2015] [Revised: 10/29/2015] [Accepted: 10/31/2015] [Indexed: 06/05/2023]
Abstract
This study aimed at manipulating ionic conductivity (EC) to harvest the maximum electrical energy from seawater-based domestic wastewater sewage sludge (SWS), unique to only a few cities, through microbial fuel cell (MFC). SWS has never been investigated as a MFC substrate before, and thus the influence of high in-situ EC on the energy recovery was unknown. In this study, the EC of the SWS was reduced through mixing it with fresh water-based domestic wastewater sewage sludge (FWS) or diluted 50% using deionized water while FWS and SWS were individually served as reference treatments. SWS:FWS mix (1:1) exhibited a maximum Coulombic efficiency of 28.6±0.5% at a COD removal of 59±3% while the peak power density was 20-fold higher than FWS. The improved performance was due to the lower ohmic internal resistance (36.8±4.2Ω) and optimal conductivity (12.8±0.2mScm(-1)). Therefore, dilution with FWS could enhance energy recovery from SWS.
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Affiliation(s)
- Rengasamy Karthikeyan
- Sino-Forest Applied Research Centre for Pearl River Delta Environment, and Department of Biology, Hong Kong Baptist University, Hong Kong Special Administrative Region
| | - Ammayaippan Selvam
- Sino-Forest Applied Research Centre for Pearl River Delta Environment, and Department of Biology, Hong Kong Baptist University, Hong Kong Special Administrative Region
| | - Ka Yu Cheng
- CSIRO Land and Water, Commonwealth Scientific and Industrial Research Organisation (CSIRO), Underwood Avenue, Floreat, WA 6014, Australia
| | - Jonathan Woon-Chung Wong
- Sino-Forest Applied Research Centre for Pearl River Delta Environment, and Department of Biology, Hong Kong Baptist University, Hong Kong Special Administrative Region.
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Xiao B, Liu C, Liu J, Guo X. Evaluation of the microbial cell structure damages in alkaline pretreatment of waste activated sludge. BIORESOURCE TECHNOLOGY 2015; 196:109-115. [PMID: 26231130 DOI: 10.1016/j.biortech.2015.07.056] [Citation(s) in RCA: 55] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/19/2015] [Revised: 07/15/2015] [Accepted: 07/17/2015] [Indexed: 06/04/2023]
Abstract
This study investigated the damages of microbial cell structures, as well as the relationships between these damages and the release of cellular organic matter in the pretreatment of waste activated sludge (WAS) by using alkaline pretreatment as model. In the alkaline pretreatment of WAS, the most damage of bound extracellular polymeric substances (EPS), cell walls, cell membranes, and cell nuclei occurred at pH 11.5-12.0 (46.2%), pH 11.0-11.5 (27.3%), pH 9.0-10.0 (34.2%), and pH 11.5-12.0 (44.4%), respectively. The damage percentages of these cell structures in the pH stabilization stage were low because most of the damages occurred when the pH increased. The structural integrities of sludge microorganisms were all damaged in the pH increase stage. The damages of EPS, cell walls, and cell membranes were significantly correlated with the release of cellular organic matter, and these damages were necessary to release the cellular matter in WAS.
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Affiliation(s)
- Benyi Xiao
- Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
| | - Cao Liu
- Beijing Water Sciences Technology Institute, Beijing 100048, China
| | - Junxin Liu
- Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
| | - Xuesong Guo
- Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China.
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16
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Yu H, Jiang J, Zhao Q, Wang K, Zhang Y, Zheng Z, Hao X. Bioelectrochemically-assisted anaerobic composting process enhancing compost maturity of dewatered sludge with synchronous electricity generation. BIORESOURCE TECHNOLOGY 2015; 193:1-7. [PMID: 26115526 DOI: 10.1016/j.biortech.2015.06.057] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/09/2015] [Revised: 06/10/2015] [Accepted: 06/12/2015] [Indexed: 06/04/2023]
Abstract
Bioelectrochemically-assisted anaerobic composting process (AnCBE) with dewatered sludge as the anode fuel was constructed to accelerate composting of dewatered sludge, which could increase the quality of the compost and harvest electric energy in comparison with the traditional anaerobic composting (AnC). Results revealed that the AnCBE yielded a voltage of 0.60 ± 0.02 V, and total COD (TCOD) removal reached 19.8 ± 0.2% at the end of 35 d. The maximum power density was 5.6 W/m(3). At the end of composting, organic matter content (OM) reduction rate increased to 19.5 ± 0.2% in AnCBE and to 12.9 ± 0.1% in AnC. The fuzzy comprehensive assessment (FCA) result indicated that the membership degree of class I of AnCBE compost (0.64) was higher than that of AnC compost (0.44). It was demonstrated that electrogenesis in the AnCBE could improve the sludge stabilization degree, accelerate anaerobic composting process and enhance composting maturity with bioelectricity generation.
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Affiliation(s)
- Hang Yu
- School of Municipal and Environmental Engineering, Harbin Institute of Technology, Harbin 150090, China
| | - Junqiu Jiang
- School of Municipal and Environmental Engineering, Harbin Institute of Technology, Harbin 150090, China
| | - Qingliang Zhao
- School of Municipal and Environmental Engineering, Harbin Institute of Technology, Harbin 150090, China; State Key Laboratory of Urban Water Resources and Environments (SKLURE), Harbin Institute of Technology, Harbin 150090, China.
| | - Kun Wang
- School of Municipal and Environmental Engineering, Harbin Institute of Technology, Harbin 150090, China; State Key Laboratory of Urban Water Resources and Environments (SKLURE), Harbin Institute of Technology, Harbin 150090, China
| | - Yunshu Zhang
- School of Municipal and Environmental Engineering, Harbin Institute of Technology, Harbin 150090, China
| | - Zhen Zheng
- School of Materials Science and Engineering, Harbin Institute of Technology, Harbin 150001, China
| | - Xiaodi Hao
- School of Environment and Energy Engineering (The R & D Centre for Sustainable Environmental Biotechnology), Beijing University of Civil Engineering and Architecture, Beijing 100044, China
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17
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Ali AEH, Gomaa OM, Fathey R, Kareem HAE, Zaid MA. Optimization of double chamber microbial fuel cell for domestic wastewater treatment and electricity production. ACTA ACUST UNITED AC 2015. [DOI: 10.1016/s1872-5813(15)30032-3] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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18
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Sun R, Xing D, Jia J, Zhou A, Zhang L, Ren N. Methane production and microbial community structure for alkaline pretreated waste activated sludge. BIORESOURCE TECHNOLOGY 2014; 169:496-501. [PMID: 25086434 DOI: 10.1016/j.biortech.2014.07.032] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/16/2014] [Revised: 06/28/2014] [Accepted: 07/04/2014] [Indexed: 05/20/2023]
Abstract
Alkaline pretreatment was studied to analyze the influence on waste activated sludge (WAS) reduction, methane production and microbial community structure during anaerobic digestion. Methane production from alkaline pretreated sludge (A-WAS) (pH = 12) increased from 251.2 mL/Ld to 362.2 mL/Ld with the methane content of 68.7% compared to raw sludge (R-WAS). Sludge reduction had been improved, and volatile suspended solids (VSS) removal rate and protein reduction had increased by ∼ 10% and ∼ 35%, respectively. The bacterial and methanogenic communities were analyzed using 454 pyrosequencing and clone libraries of 16S rRNA gene. Remarkable shifts were observed in microbial community structures after alkaline pretreatment, especially for Archaea. The dominant methanogenic population changed from Methanosaeta for R-WAS to Methanosarcina for A-WAS. In addition to the enhancement of solubilization and hydrolysis of anaerobic digestion of WAS, alkaline pretreatment showed significant impacts on the enrichment and syntrophic interactions between microbial communities.
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Affiliation(s)
- Rui Sun
- State Key Laboratory of Urban Water Resource and Environment, Harbin Institute of Technology, Harbin 150090, China
| | - Defeng Xing
- State Key Laboratory of Urban Water Resource and Environment, Harbin Institute of Technology, Harbin 150090, China.
| | - Jianna Jia
- State Key Laboratory of Urban Water Resource and Environment, Harbin Institute of Technology, Harbin 150090, China
| | - Aijuan Zhou
- State Key Laboratory of Urban Water Resource and Environment, Harbin Institute of Technology, Harbin 150090, China
| | - Lu Zhang
- State Key Laboratory of Urban Water Resource and Environment, Harbin Institute of Technology, Harbin 150090, China
| | - Nanqi Ren
- State Key Laboratory of Urban Water Resource and Environment, Harbin Institute of Technology, Harbin 150090, China.
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19
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Oh SE, Yoon JY, Gurung A, Kim DJ. Evaluation of electricity generation from ultrasonic and heat/alkaline pretreatment of different sludge types using microbial fuel cells. BIORESOURCE TECHNOLOGY 2014; 165:21-6. [PMID: 24684816 DOI: 10.1016/j.biortech.2014.03.018] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/03/2014] [Revised: 03/02/2014] [Accepted: 03/05/2014] [Indexed: 05/28/2023]
Abstract
This study investigated the effects of different sludge pretreatment methods (ultrasonic vs. combined heat/alkali) with varied sources of municipal sewage sludge (primary sludge (PS), secondary excess sludge (ES), anaerobic digestion sludge (ADS)) on electricity generation in microbial fuel cells (MFCs). Introduction of ultrasonically pretreated sludge (PS, ES, ADS) to MFCs generated maximum power densities of 13.59, 9.78 and 12.67mW/m(2) and soluble COD (SCOD) removal efficiencies of 87%, 90% and 57%, respectively. The sludge pretreated by combined heat/alkali (0.04N NaOH at 120°C for 1h) produced maximum power densities of 10.03, 5.21 and 12.53mW/m(2) and SCOD removal efficiencies of 83%, 75% and 74% with PS, ES and ADS samples, respectively. Higher SCOD by sludge pretreatment enhanced performance of the MFCs and the electricity generation was linearly proportional to the SCOD removal, especially for ES.
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Affiliation(s)
- Sang-Eun Oh
- Department of Biological Environment, Kangwon National University, Chuncheon, Gangwon 200-701, Republic of Korea
| | - Joung Yee Yoon
- Department of Environmental Science & Biotechnology, Institute of Energy & Environment, Hallym University, Chuncheon, Gangwon 200-702, Republic of Korea
| | - Anup Gurung
- Department of Biological Environment, Kangwon National University, Chuncheon, Gangwon 200-701, Republic of Korea
| | - Dong-Jin Kim
- Department of Environmental Science & Biotechnology, Institute of Energy & Environment, Hallym University, Chuncheon, Gangwon 200-702, Republic of Korea.
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Mathuriya AS, Yakhmi JV. Microbial fuel cells – Applications for generation of electrical power and beyond. Crit Rev Microbiol 2014; 42:127-43. [DOI: 10.3109/1040841x.2014.905513] [Citation(s) in RCA: 60] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Affiliation(s)
| | - J. V. Yakhmi
- Atomic Energy Education Society, Western Sector, Mumbai, Maharashtra, India
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21
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Gomaa OM. Removal of silver nanoparticles using live and heat shock Aspergillus niger cultures. World J Microbiol Biotechnol 2014; 30:1747-54. [DOI: 10.1007/s11274-014-1597-0] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2013] [Accepted: 01/06/2014] [Indexed: 01/26/2023]
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