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Phuc-Hanh Tran D, You SJ, Bui XT, Wang YF, Ramos A. Anaerobic membrane bioreactors for municipal wastewater: Progress in resource and energy recovery improvement approaches. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2024; 366:121855. [PMID: 39025005 DOI: 10.1016/j.jenvman.2024.121855] [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: 02/06/2024] [Revised: 06/11/2024] [Accepted: 07/12/2024] [Indexed: 07/20/2024]
Abstract
Anaerobic membrane bioreactor (AnMBR) offer promise in municipal wastewater treatment, with potential benefits including high-quality effluent, energy recovery, sludge reduction, and mitigating greenhouse gas emissions. However, AnMBR face hurdles like membrane fouling, low energy recovery, etc. In light of net-zero carbon target and circular economy strategy, this work sought to evaluate novel AnMBR configurations, focusing on performance, fouling mitigation, net-energy generation, and nutrients-enhancing integrated configurations, such as forward osmosis (FO), membrane distillation (MD), bioelectrochemical systems (BES), membrane photobioreactor (MPBR), and partial nitrification-anammox (PN/A). In addition, we highlight the essential role of AnMBR in advancing the circular economy and propose ideas for the water-energy-climate nexus. While AnMBR has made significant progress, challenges, such as fouling and cost-effectiveness persist. Overall, the use of novel configurations and energy recovery strategies can further improve the sustainability and efficiency of AnMBR systems, making them a promising technology for future sustainable municipal wastewater treatment.
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Affiliation(s)
- Duyen Phuc-Hanh Tran
- Department of Civil Engineering, Chung Yuan Christian University, Taoyuan, 32023, Taiwan; Center for Environmental Risk Management, Chung Yuan Christian University, Taoyuan, 32023, Taiwan
| | - Sheng-Jie You
- Department of Environmental Engineering, Chung Yuan Christian University, Taoyuan, 32023, Taiwan; Center for Environmental Risk Management, Chung Yuan Christian University, Taoyuan, 32023, Taiwan.
| | - Xuan-Thanh Bui
- Key Laboratory of Advanced Waste Treatment Technology & Faculty of Environment and Natural Resources, Ho Chi Minh City University of Technology (HCMUT), 268 Ly Thuong Kiet Street, District 10, Ho Chi Minh City, Viet Nam; Vietnam National University Ho Chi Minh City (VNU-HCM), Linh Trung Ward, Ho Chi Minh City, 700000, Viet Nam
| | - Ya-Fen Wang
- Department of Environmental Engineering, Chung Yuan Christian University, Taoyuan, 32023, Taiwan; Sustainable Environmental Education Center, Chung Yuan Christian University, Taoyuan, 32023, Taiwan
| | - Aubrey Ramos
- Department of Environmental Engineering, Chung Yuan Christian University, Taoyuan, 32023, Taiwan; Center for Environmental Risk Management, Chung Yuan Christian University, Taoyuan, 32023, Taiwan
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2
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Guo Z, Qu F, Wang J, Geng M, Gao S, Tian J. Enhancing electron transfer in anaerobic process by supercapacitor materials: Polyaniline functionated activated carbon. BIORESOURCE TECHNOLOGY 2024; 406:131051. [PMID: 38944315 DOI: 10.1016/j.biortech.2024.131051] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/21/2024] [Revised: 06/24/2024] [Accepted: 06/26/2024] [Indexed: 07/01/2024]
Abstract
Strengthening the direct interspecies electron transfer (DIET) is an effective strategy to improve the performance of anaerobic digestion (AD) process. In this study, the polyaniline functionated activated carbon (AC-PANi) was prepared by chemical oxidative polymerization. This material possessed pseudo-capacitance properties as well as excellent charge transfer capability. The experimental results demonstrated that the incorporation of AC-PANi in AD process could efficiently increase the chemical oxygen demand (COD) removal (18.6 %) and daily methane production rate (35.3 %). The AC-PANi can also act as an extracellular acceptor to promote the synthesis of adenosine triphosphate (ATP) and secretion of extracellular enzymes as well as cytochrome C (Cyt-C). The content of coenzyme F420 on methanogens was also shown to be increased by 60.9 % with the addition of AC-PANi in AD reactor. Overall, this work provides an easy but feasible way to enhance AD performance by promoting DIET between acetate-producing bacteria and methanogens.
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Affiliation(s)
- Zijing Guo
- School of Civil and Transportation Engineering, Hebei University of Technology, Tianjin 300401, China
| | - Fangshu Qu
- School of Civil Engineering, Guangzhou University, Guangzhou 510006, China
| | - Jie Wang
- School of Environmental Science and Technology, Tiangong University, Tianjin 300387, China
| | - Mingyue Geng
- School of Civil and Transportation Engineering, Hebei University of Technology, Tianjin 300401, China
| | - Shanshan Gao
- School of Civil and Transportation Engineering, Hebei University of Technology, Tianjin 300401, China
| | - Jiayu Tian
- School of Civil and Transportation Engineering, Hebei University of Technology, Tianjin 300401, China.
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3
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Rivadulla M, Lois M, Elena AX, Balboa S, Suarez S, Berendonk TU, Romalde JL, Garrido JM, Omil F. Occurrence and fate of CECs (OMPs, ARGs and pathogens) during decentralised treatment of black water and grey water. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 915:169863. [PMID: 38190906 DOI: 10.1016/j.scitotenv.2023.169863] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/31/2023] [Revised: 12/13/2023] [Accepted: 12/31/2023] [Indexed: 01/10/2024]
Abstract
Decentralised wastewater treatment is becoming a suitable strategy to reduce cost and environmental impact. In this research, the performance of two technologies treating black water (BW) and grey water (GW) fractions of urban sewage is carried out in a decentralised treatment of the wastewater produced in three office buildings. An Anaerobic Membrane Bioreactor (AnMBR) treating BW and a Hybrid preanoxic Membrane Bioreactor (H-MBR) containing small plastic carrier elements, treating GW were operated at pilot scale. Their potential on reducing the release of contaminants of emerging concern (CECs) such as Organic Micropollutants (OMPs), Antibiotic Resistance Genes (ARGs) and pathogens was studied. After 226 d of operation, a stable operation was achieved in both systems: the AnMBR removed 92.4 ± 2.5 % of influent COD, and H-MBR removed 89.7 ± 3.5 %. Regarding OMPs, the profile of compounds differed between BW and GW, being BW the matrix with more compounds detected at higher concentrations (up to μg L-1). For example, in the case of ibuprofen the concentrations in BW were 23.63 ± 3.97 μg L-1, 3 orders of magnitude higher than those detected in GW. The most abundant ARGs were sulfonamide resistant genes (sul1) and integron class 1 (intl1) in both BW and GW. Pathogenic bacteria counts were reduced between 1 and 3 log units in the AnMBR. Bacterial loads in GW were much lower than in BW, being no bacterial re-growth observed for the GW effluents after treatment in the H-MBR. None of the selected enteric viruses was detected in GW treatment line.
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Affiliation(s)
- M Rivadulla
- CRETUS, Department of Chemical Engineering, Universidade de Santiago de Compostela, 15782 Santiago de Compostela, Galicia, Spain.
| | - M Lois
- CRETUS, Department of Microbiology and Parasitology, CIBUS-Facultade de Bioloxía, Universidade de Santiago de Compostela, 15782 Santiago de Compostela, Spain
| | - A X Elena
- Technische Universität Dresden, Institute of Hydrobiology, Dresden, Germany
| | - S Balboa
- CRETUS, Department of Chemical Engineering, Universidade de Santiago de Compostela, 15782 Santiago de Compostela, Galicia, Spain
| | - S Suarez
- CRETUS, Department of Chemical Engineering, Universidade de Santiago de Compostela, 15782 Santiago de Compostela, Galicia, Spain
| | - T U Berendonk
- Technische Universität Dresden, Institute of Hydrobiology, Dresden, Germany
| | - J L Romalde
- CRETUS, Department of Microbiology and Parasitology, CIBUS-Facultade de Bioloxía, Universidade de Santiago de Compostela, 15782 Santiago de Compostela, Spain
| | - J M Garrido
- CRETUS, Department of Chemical Engineering, Universidade de Santiago de Compostela, 15782 Santiago de Compostela, Galicia, Spain
| | - F Omil
- CRETUS, Department of Chemical Engineering, Universidade de Santiago de Compostela, 15782 Santiago de Compostela, Galicia, Spain
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4
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Dey R, Ortiz Tena F, Wang S, Martin Messmann J, Steinweg C, Thomsen C, Posten C, Leu S, Ullrich MS, Thomsen L. Exploring advanced phycoremediation strategies for resource recovery from secondary wastewater using a large scale photobioreactor. BIORESOURCE TECHNOLOGY 2024; 391:129986. [PMID: 37931766 DOI: 10.1016/j.biortech.2023.129986] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/04/2023] [Revised: 10/27/2023] [Accepted: 11/03/2023] [Indexed: 11/08/2023]
Abstract
This study aimed to investigate the operation of a 1000L microalgae-based membrane photobioreactor system in a greenhouse for continuous secondary wastewater treatment using Desmodesmus sp., a green microalgae strain originally isolated from a German sewage plant. The research spanned both summer and winter seasons, seeking to comprehend key trends and optimization strategies. Maintaining low cell concentrations in the photobioreactor during periods of light inhibition proved advantageous for nutrient uptake rates. Effective strategies for enhancing algae-based wastewater treatment included cell mass recycling, particularly during periods of high light availability. In comparison to conventional continuous cultivation methods, employing cell recycling and high dilution rates during times of abundant light, alongside using low cell concentrations and dilution rates during light inhibition, resulted in an 80 % and 10 % increase in overall biomass productivity during summer and winter, respectively. Furthermore, nitrogen/phosphorus (N/P) removal rates exhibited a 23 % improvement during winter, while remaining unchanged in summer.
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Affiliation(s)
- Rohit Dey
- School of Science, Constructor University Bremen, Germany.
| | | | - Song Wang
- College of Life Sciences and Oceanography, Shenzhen University, China
| | | | | | | | | | - Stefan Leu
- Ben-Gurion University of the Negev, Israel
| | | | - Laurenz Thomsen
- School of Science, Constructor University Bremen, Germany; University of Gothenburg, Department of Marine Sciences Sweden
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Zhang Y, Deng J, Xiao X, Li YY, Liu J. Insights on pretreatment technologies for partial nitrification/anammox processes: A critical review and future perspectives. BIORESOURCE TECHNOLOGY 2023:129351. [PMID: 37336448 DOI: 10.1016/j.biortech.2023.129351] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/03/2023] [Revised: 06/07/2023] [Accepted: 06/16/2023] [Indexed: 06/21/2023]
Abstract
For almost 20 years, partial nitrification-anammox (PN/A) has been the subject of intensive study and development. Pretreatment of wastewater for PN/A is crucial because the inhibitory substances in the influent may reduce the performance of PN/A. In this review, the current PN/A pretreatment technologies are comprehensively summarized. The selection of pretreatment technology for PN/A depending on the source of the wastewater and its main characteristics (high-strength wastewater or municipal wastewater, organic matters, suspended solids). Comparison of pretreatment technologies through multiple perspectives including wastewater characteristics, the objectives of the wastewater treatment (treating requirement, energy and resource recovery demand), reactor configuration of PN/A. Based on the discussion, two integrated processes, HRAS + one-stage PN/A and advanced AD + two-stage PN/A, are recommended as the preferred processes for treating municipal wastewater and wastewater with a high-strength ammonium, respectively. This review aims to provide guidance for future research and development of PN/A.
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Affiliation(s)
- Yixuan Zhang
- School of Environmental and Chemical Engineering, Shanghai University, 333 Nanchen Road, Shanghai 200444, China
| | - Jiayuan Deng
- School of Environmental and Chemical Engineering, Shanghai University, 333 Nanchen Road, Shanghai 200444, China
| | - Xiangmin Xiao
- Cangzhou Water Supply and Drainage Group Company Limited, 15 West Jiuhe Road, Cangzhou, Hebei Province 061001, China
| | - Yu-You Li
- Department of Civil and Environmental Engineering, Graduate School of Engineering, Tohoku University, 6-6-06 Aza, Aramaki, Aoba-ku, Sendai, Miyagi 980-8579, Japan
| | - Jianyong Liu
- School of Environmental and Chemical Engineering, Shanghai University, 333 Nanchen Road, Shanghai 200444, China.
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Casabella-Font O, Ponzelli M, Papapanou M, Luis Balcazar J, Pijuan M, Radjenovic J. Impact of graphene oxide addition on pharmaceuticals removal in anaerobic membrane bioreactor. BIORESOURCE TECHNOLOGY 2023:129252. [PMID: 37268091 DOI: 10.1016/j.biortech.2023.129252] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/13/2023] [Revised: 05/26/2023] [Accepted: 05/28/2023] [Indexed: 06/04/2023]
Abstract
The addition of conductive materials to the anaerobic digestion bioreactor was suggested to enhance microbial activity. In the present work, an anaerobic membrane bioreactor treating municipal wastewater was operated for 385 days. The impact of different graphene oxide concentrations on the removal target pharmaceuticals and microbial community dynamics was investigated. The addition of graphene oxide did not impact the reactor stability, whereas the removals of antibiotics (e.g., trimethoprim and metronidazole) were enhanced. A shift in the microbial community was detected after the addition of 50-900 mg L-1 of graphene oxide, with the proliferation hydrogenotrophic methanogens. The proliferation of syntrophic microorganisms may indicate interactions via direct interspecific electron transfer. The obtained results suggest that the addition of graphene oxide at low mg L-1 concentrations to an anaerobic membrane bioreactor may be considered to improve the removal of antibiotics from municipal wastewater.
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Affiliation(s)
- Oriol Casabella-Font
- Catalan Institute for Water Research (ICRA-CERCA), C. Emili Grahit 101, 17003 Girona, Spain; Universitat de Girona, Girona, Spain.
| | - Michele Ponzelli
- Catalan Institute for Water Research (ICRA-CERCA), C. Emili Grahit 101, 17003 Girona, Spain; Universitat de Girona, Girona, Spain; Chair of Urban Water Systems Engineering, Technical University of Munich, Am Coulombwall 3, 85748 Garching, Germany
| | - Melina Papapanou
- Catalan Institute for Water Research (ICRA-CERCA), C. Emili Grahit 101, 17003 Girona, Spain; University of Patras, Patras, Greece
| | - Jose Luis Balcazar
- Catalan Institute for Water Research (ICRA-CERCA), C. Emili Grahit 101, 17003 Girona, Spain; Universitat de Girona, Girona, Spain
| | - Maite Pijuan
- Catalan Institute for Water Research (ICRA-CERCA), C. Emili Grahit 101, 17003 Girona, Spain; Universitat de Girona, Girona, Spain
| | - Jelena Radjenovic
- Catalan Institute for Water Research (ICRA-CERCA), C. Emili Grahit 101, 17003 Girona, Spain; Catalan Institution for Research and Advanced Studies (ICREA), Passeig Lluís Companys 23, 08010, Barcelona, Spain
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Abstract
In recent years, anaerobic membrane bioreactor (AnMBRs) technology, a combination of a biological reactor and a selective membrane process, has received increasing attention from both industrialists and researchers. Undoubtedly, this is due to the fact that AnMBRs demonstrate several unique advantages. Firstly, this paper addresses fundamentals of the AnMBRs technology and subsequently provides an overview of the current state-of-the art in the municipal and domestic wastewaters treatment by AnMBRs. Since the operating conditions play a key role in further AnMBRs development, the impact of temperature and hydraulic retention time (HRT) on the AnMBRs performance in terms of organic matters removal is presented in detail. Although membrane technologies for wastewaters treatment are known as costly in operation, it was clearly demonstrated that the energy demand of AnMBRs may be lower than that of typical wastewater treatment plants (WWTPs). Moreover, it was indicated that AnMBRs have the potential to be a net energy producer. Consequently, this work builds on a growing body of evidence linking wastewaters treatment with the energy-efficient AnMBRs technology. Finally, the challenges and perspectives related to the full-scale implementation of AnMBRs are highlighted.
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Robles Á, Jiménez-Benítez A, Giménez JB, Durán F, Ribes J, Serralta J, Ferrer J, Rogalla F, Seco A. A semi-industrial scale AnMBR for municipal wastewater treatment at ambient temperature: performance of the biological process. WATER RESEARCH 2022; 215:118249. [PMID: 35290870 DOI: 10.1016/j.watres.2022.118249] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/29/2021] [Revised: 02/27/2022] [Accepted: 03/02/2022] [Indexed: 06/14/2023]
Abstract
A semi-industrial scale AnMBR plant was operated for more than 600 days to evaluate the long-term operation of this technology at ambient temperature (ranging from 10 to 27 ○C), variable hydraulic retention times (HRT) (from 25 to 41 h) and influent loads (mostly between 15 and 45 kg COD·d-1). The plant was fed with sulfate-rich high-loaded municipal wastewater from the pre-treatment of a full-scale WWTP. The results showed promising AnMBR performance as the core technology for wastewater treatment, obtaining an average 87.2 ± 6.1 % COD removal during long-term operation, with 40 % of the data over 90%. Five periods were considered to evaluate the effect of HRT, influent characteristics, COD/SO42--S ratio and temperature on the biological process. In the selected periods, methane yields varied from 70.2±36.0 to 169.0±95.1 STP L CH4·kg-1 CODinf, depending on the influent sulfate concentration, and wasting sludge production was reduced by between 8 % and 42 % compared to conventional activated sludge systems. The effluent exhibited a significant nutrient recovery potential. Temperature, HRT, SRT and influent COD/SO42--S ratio were corroborated as crucial parameters to consider in maximizing AnMBR performance.
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Affiliation(s)
- Ángel Robles
- CALAGUA - Unidad Mixta UV-UPV, Departament d'Enginyeria Química, Universitat de València, Av. de la Universitat s/n, 46100 Burjassot, Valencia, Spain
| | - Antonio Jiménez-Benítez
- CALAGUA - Unidad Mixta UV-UPV, Departament d'Enginyeria Química, Universitat de València, Av. de la Universitat s/n, 46100 Burjassot, Valencia, Spain.
| | - Juan Bautista Giménez
- CALAGUA - Unidad Mixta UV-UPV, Departament d'Enginyeria Química, Universitat de València, Av. de la Universitat s/n, 46100 Burjassot, Valencia, Spain
| | - Freddy Durán
- FCC Aqualia, S.A., Avenida Camino de Santiago, 40, 28050 Madrid, Spain
| | - Josep Ribes
- CALAGUA - Unidad Mixta UV-UPV, Departament d'Enginyeria Química, Universitat de València, Av. de la Universitat s/n, 46100 Burjassot, Valencia, Spain
| | - Joaquín Serralta
- CALAGUA - Unidad Mixta UV-UPV, Institut Universitari d'Investigació d'Enginyeria de l'Aigua i Medi Ambient - IIAMA, Universitat Politècnica de Valencia, Camí de Vera s/n, 46022 Valencia, Spain
| | - José Ferrer
- CALAGUA - Unidad Mixta UV-UPV, Institut Universitari d'Investigació d'Enginyeria de l'Aigua i Medi Ambient - IIAMA, Universitat Politècnica de Valencia, Camí de Vera s/n, 46022 Valencia, Spain
| | - Frank Rogalla
- FCC Aqualia, S.A., Avenida Camino de Santiago, 40, 28050 Madrid, Spain
| | - Aurora Seco
- CALAGUA - Unidad Mixta UV-UPV, Departament d'Enginyeria Química, Universitat de València, Av. de la Universitat s/n, 46100 Burjassot, Valencia, Spain
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Hu D, Liu L, Liu W, Yu L, Dong J, Han F, Wang H, Chen Z, Ge H, Jiang B, Wang X, Cui Y, Zhang W, Zhang Y, Liu S, Zhao L. Improvement of sludge characteristics and mitigation of membrane fouling in the treatment of pesticide wastewater by electrochemical anaerobic membrane bioreactor. WATER RESEARCH 2022; 213:118153. [PMID: 35152135 DOI: 10.1016/j.watres.2022.118153] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/22/2021] [Revised: 12/29/2021] [Accepted: 01/31/2022] [Indexed: 06/14/2023]
Abstract
Electrochemical anaerobic membrane bioreactor attracted attention due to stable treatment quality with low footprint, and draw solute has significant effect on the sludge characteristics and membrane fouling performance. In this pilot-scale study, an electrochemical anaerobic membrane bioreactor (E-AnMBR) was proposed for treating pesticide wastewater at different hydraulic retention times (HRTs), demonstrating that E-AnMBR was superior on improvement of sludge characteristics and mitigation of membrane fouling, compared with the conventional anaerobic membrane bioreactor (C-AnMBR). E-AnMBR reduced sludge yield by 41.2 ± 6.7% and the SVI was significantly decreased by 32.5±13.8%. The accumulation of VFA in E-AnMBR was slighter than that of C-AnMBR, and the minimum average VFA was 255±6 mg/L. The methane yield of E-AnMBR (0.22-0.29 L CH4/g CODremoved) was 1.2-1.4 times than that of C-AnMBR. The EPS contents in suspended and attached sludge of E-AnMBR were significantly reduced by 41.8 ± 3.3% and 77.4 ± 14.5% than that of C-AnMBR, respectively. These results suggested that E-AnMBR has lower sludge disposal pressure, higher stability and methane recovery potential. Not only that, E-AnMBR successfully reduced membrane resistance, delaying the fouling rate by 31.0-38.5%. Finally, the linear relationship between EPS characteristics and membrane pollution was determined.
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Affiliation(s)
- Dongxue Hu
- Key Laboratory of Biotechnology and Bioresources Utilization, Ministry of Education, Dalian Minzu University, 18 Liaohe Road West, Dalian Economic and Technological Development Zone, Dalian 116600, China; College of Environment and Resources, Dalian Minzu University, 18 Liaohe West Road, Dalian 116600, China
| | - Lixue Liu
- Key Laboratory of Biotechnology and Bioresources Utilization, Ministry of Education, Dalian Minzu University, 18 Liaohe Road West, Dalian Economic and Technological Development Zone, Dalian 116600, China; College of Environment and Resources, Dalian Minzu University, 18 Liaohe West Road, Dalian 116600, China
| | - Wenyu Liu
- Key Laboratory of Biotechnology and Bioresources Utilization, Ministry of Education, Dalian Minzu University, 18 Liaohe Road West, Dalian Economic and Technological Development Zone, Dalian 116600, China; College of Environment and Resources, Dalian Minzu University, 18 Liaohe West Road, Dalian 116600, China
| | - Liqiang Yu
- Key Laboratory of Biotechnology and Bioresources Utilization, Ministry of Education, Dalian Minzu University, 18 Liaohe Road West, Dalian Economic and Technological Development Zone, Dalian 116600, China; College of Environment and Resources, Dalian Minzu University, 18 Liaohe West Road, Dalian 116600, China
| | - Jian Dong
- Key Laboratory of Biotechnology and Bioresources Utilization, Ministry of Education, Dalian Minzu University, 18 Liaohe Road West, Dalian Economic and Technological Development Zone, Dalian 116600, China; College of Environment and Resources, Dalian Minzu University, 18 Liaohe West Road, Dalian 116600, China
| | - Fei Han
- Key Laboratory of Biotechnology and Bioresources Utilization, Ministry of Education, Dalian Minzu University, 18 Liaohe Road West, Dalian Economic and Technological Development Zone, Dalian 116600, China; College of Environment and Resources, Dalian Minzu University, 18 Liaohe West Road, Dalian 116600, China
| | - Hongcheng Wang
- State Key Laboratory of Urban Water Resource and Environment, School of Civil & Environmental Engineering, Harbin Institute of Technology Shenzhen, Shenzhen, 518055, China.
| | - Zhaobo Chen
- Key Laboratory of Biotechnology and Bioresources Utilization, Ministry of Education, Dalian Minzu University, 18 Liaohe Road West, Dalian Economic and Technological Development Zone, Dalian 116600, China; College of Environment and Resources, Dalian Minzu University, 18 Liaohe West Road, Dalian 116600, China.
| | - Hui Ge
- Key Laboratory of Biotechnology and Bioresources Utilization, Ministry of Education, Dalian Minzu University, 18 Liaohe Road West, Dalian Economic and Technological Development Zone, Dalian 116600, China; College of Environment and Resources, Dalian Minzu University, 18 Liaohe West Road, Dalian 116600, China
| | - Bei Jiang
- Key Laboratory of Biotechnology and Bioresources Utilization, Ministry of Education, Dalian Minzu University, 18 Liaohe Road West, Dalian Economic and Technological Development Zone, Dalian 116600, China; College of Environment and Resources, Dalian Minzu University, 18 Liaohe West Road, Dalian 116600, China
| | - Xin Wang
- College of Environment Science and Engineering, Nankai Universty, 94 Weijin Road, Tianjin 300071, China
| | - Yubo Cui
- Key Laboratory of Biotechnology and Bioresources Utilization, Ministry of Education, Dalian Minzu University, 18 Liaohe Road West, Dalian Economic and Technological Development Zone, Dalian 116600, China; College of Environment and Resources, Dalian Minzu University, 18 Liaohe West Road, Dalian 116600, China
| | - Wanjun Zhang
- Key Laboratory of Biotechnology and Bioresources Utilization, Ministry of Education, Dalian Minzu University, 18 Liaohe Road West, Dalian Economic and Technological Development Zone, Dalian 116600, China; College of Environment and Resources, Dalian Minzu University, 18 Liaohe West Road, Dalian 116600, China
| | - Ying Zhang
- School of Resources and Environmental Science, Northeast Agricultural University, 59 Mucai Street, HarBin 150030, China
| | - Shuchen Liu
- Key Laboratory of Biotechnology and Bioresources Utilization, Ministry of Education, Dalian Minzu University, 18 Liaohe Road West, Dalian Economic and Technological Development Zone, Dalian 116600, China; College of Environment and Resources, Dalian Minzu University, 18 Liaohe West Road, Dalian 116600, China
| | - Longmei Zhao
- Key Laboratory of Biotechnology and Bioresources Utilization, Ministry of Education, Dalian Minzu University, 18 Liaohe Road West, Dalian Economic and Technological Development Zone, Dalian 116600, China; College of Environment and Resources, Dalian Minzu University, 18 Liaohe West Road, Dalian 116600, China
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Kong Z, Li L, Wu J, Rong C, Wang T, Chen R, Sano D, Li YY. Unveiling the characterization and development of prokaryotic community during the start-up and long-term operation of a pilot-scale anaerobic membrane bioreactor for the treatment of real municipal wastewater. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 813:152643. [PMID: 34963601 DOI: 10.1016/j.scitotenv.2021.152643] [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: 11/25/2021] [Revised: 12/16/2021] [Accepted: 12/19/2021] [Indexed: 06/14/2023]
Abstract
The anaerobic membrane bioreactor (AnMBR) is a promising sustainable process and technology for the treatment of municipal wastewater from the perspective of carbon neutrality. In this study, a large pilot-scale AnMBR was constructed and the microbial community development of the anaerobic digested sludge in the AnMBR was determined during the treatment of municipal wastewater. The AnMBR system was conducted for 217 days during a long-term operation with the feed of real municipal wastewater. The characterization and dynamics of the microorganisms revealed that a stable prokaryotic community was gradually achieved. In the community of methane-producing archaea (or methanogens), the acetotrophic methanogen Methanosaeta was significantly enriched at an ambient temperature of 25 °C with an overwhelming relative abundance in the entire community. The abundance of Methanosaeta was even higher than the most abundant bacterial phyla Chloroflexi, Firmicutes, Proteobacteria and Bacteroidetes. This phenomenon is quite different from that found in other typical anaerobic systems. The massive enrichment of methanogens is the key to maintaining stable methane production in the treatment of municipal wastewater by the AnMBR. The interspecies cooperation of major functional bacterial groups including protein/carbohydrate/cellulose-degrading (genera Anaerovorax, Aminomonas, Levilinea, Flexilinea and Ruminococcus etc.), sulfate-reducing (Desulfovibrio and Desulfomicrobium etc.) and syntrophic (Syntrophorhabdus and Syntrophus etc.) bacteria with acetotrophic and hydrogenotrophic archaea enhances the stability of reactor operation and help to acclimate the entire prokaryotic community to the characteristics of real municipal wastewater.
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Affiliation(s)
- Zhe Kong
- School of Environmental Science and Engineering, Suzhou University of Science and Technology, Suzhou 215009, China; National and Local Joint Engineering Laboratory of Municipal Sewage Resource Utilization Technology, Suzhou University of Science and Technology, Suzhou 215009, China; Jiangsu Collaborative Innovation Center of Water Treatment Technology and Material, Suzhou University of Science and Technology, Suzhou 215009, China; Department of Civil and Environmental Engineering, Graduate School of Engineering, Tohoku University, Aoba Ward, Sendai, Miyagi 980-8579, Japan.
| | - Lu Li
- School of Environmental Science and Engineering, Suzhou University of Science and Technology, Suzhou 215009, China; Department of Civil and Environmental Engineering, Graduate School of Engineering, Tohoku University, Aoba Ward, Sendai, Miyagi 980-8579, Japan
| | - Jiang Wu
- Center for Material Cycles and Waste Management Research, National Institute for Environmental Studies, Tsukuba 305-8506, Japan
| | - Chao Rong
- Department of Civil and Environmental Engineering, Graduate School of Engineering, Tohoku University, Aoba Ward, Sendai, Miyagi 980-8579, Japan
| | - Tianjie Wang
- Department of Civil and Environmental Engineering, Graduate School of Engineering, Tohoku University, Aoba Ward, Sendai, Miyagi 980-8579, Japan
| | - Rong Chen
- International S&T Cooperation Center for Urban Alternative Water Resources Development, Key Lab of Environmental Engineering, Shaanxi Province, Xi'an University of Architecture and Technology, No. 13 Yanta Road, Xi'an 710055, PR China
| | - Daisuke Sano
- Department of Civil and Environmental Engineering, Graduate School of Engineering, Tohoku University, Aoba Ward, Sendai, Miyagi 980-8579, Japan
| | - Yu-You Li
- Department of Civil and Environmental Engineering, Graduate School of Engineering, Tohoku University, Aoba Ward, Sendai, Miyagi 980-8579, Japan.
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11
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Liu L, Liu W, Yu L, Dong J, Han F, Hu D, Chen Z, Ge H, Jiang B, Wang H, Cui Y, Zhang W, Zou X, Zhang Y. Optimizing anaerobic technology by using electrochemistry and membrane module for treating pesticide wastewater: Chemical oxygen demand components and fractions distribution, membrane fouling, effluent toxicity and economic analysis. BIORESOURCE TECHNOLOGY 2022; 346:126608. [PMID: 34954355 DOI: 10.1016/j.biortech.2021.126608] [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: 11/09/2021] [Revised: 12/16/2021] [Accepted: 12/17/2021] [Indexed: 06/14/2023]
Abstract
Optimization in performance and membrane fouling of an electrochemical anaerobic membrane bioreactor (R1) for treating pesticide wastewater was investigated and compared with a conventional anaerobic membrane bioreactor (R2). The maximum COD removal efficiency of R2 was 80.1%, 80.0%, 67.4%, 61.1% with HRT of 96, 72, 48 and 24 h, which of R1 was enhanced to 84.7%, 84.3%, 82.0% and 66.3%. These results demonstrated that the optimum HRT of R1 was shortened to 48 h, which of R2 required 72 h. R1 reduced the contents of particulate and colloidal COD, and the fraction of COD converted to sludge was 5.0-8.2% lower than that of R2. The fouling rate was 0.99-1.44 kPa/d and reduced by 31.0%-38.5% compared with R2. Detoxification was enhanced by 7.8-47.7% with the assistance of bio-electrochemistry. Ultimately, ensuring similar performance, R1 achieved a 65.6% improvement in environmental benefit, a 26.3% and 38.9% reduction in unit capital and operating costs.
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Affiliation(s)
- Lixue Liu
- Key Laboratory of Biotechnology and Bioresources Utilization, Ministry of Education, Dalian Minzu University, 18 Liaohe Road West, Dalian Economic and Technological Development Zone, Dalian 116600, PR China; College of Environment and Resources, Dalian Minzu University, 18 Liaohe West Road, Dalian 116600, PR China
| | - Wenyu Liu
- Key Laboratory of Biotechnology and Bioresources Utilization, Ministry of Education, Dalian Minzu University, 18 Liaohe Road West, Dalian Economic and Technological Development Zone, Dalian 116600, PR China; College of Environment and Resources, Dalian Minzu University, 18 Liaohe West Road, Dalian 116600, PR China
| | - Liqiang Yu
- Key Laboratory of Biotechnology and Bioresources Utilization, Ministry of Education, Dalian Minzu University, 18 Liaohe Road West, Dalian Economic and Technological Development Zone, Dalian 116600, PR China; College of Environment and Resources, Dalian Minzu University, 18 Liaohe West Road, Dalian 116600, PR China
| | - Jian Dong
- Key Laboratory of Biotechnology and Bioresources Utilization, Ministry of Education, Dalian Minzu University, 18 Liaohe Road West, Dalian Economic and Technological Development Zone, Dalian 116600, PR China; College of Environment and Resources, Dalian Minzu University, 18 Liaohe West Road, Dalian 116600, PR China
| | - Fei Han
- Key Laboratory of Biotechnology and Bioresources Utilization, Ministry of Education, Dalian Minzu University, 18 Liaohe Road West, Dalian Economic and Technological Development Zone, Dalian 116600, PR China; College of Environment and Resources, Dalian Minzu University, 18 Liaohe West Road, Dalian 116600, PR China
| | - Dongxue Hu
- Key Laboratory of Biotechnology and Bioresources Utilization, Ministry of Education, Dalian Minzu University, 18 Liaohe Road West, Dalian Economic and Technological Development Zone, Dalian 116600, PR China; College of Environment and Resources, Dalian Minzu University, 18 Liaohe West Road, Dalian 116600, PR China
| | - Zhaobo Chen
- Key Laboratory of Biotechnology and Bioresources Utilization, Ministry of Education, Dalian Minzu University, 18 Liaohe Road West, Dalian Economic and Technological Development Zone, Dalian 116600, PR China; College of Environment and Resources, Dalian Minzu University, 18 Liaohe West Road, Dalian 116600, PR China.
| | - Hui Ge
- Key Laboratory of Biotechnology and Bioresources Utilization, Ministry of Education, Dalian Minzu University, 18 Liaohe Road West, Dalian Economic and Technological Development Zone, Dalian 116600, PR China; College of Environment and Resources, Dalian Minzu University, 18 Liaohe West Road, Dalian 116600, PR China
| | - Bei Jiang
- Key Laboratory of Biotechnology and Bioresources Utilization, Ministry of Education, Dalian Minzu University, 18 Liaohe Road West, Dalian Economic and Technological Development Zone, Dalian 116600, PR China; College of Environment and Resources, Dalian Minzu University, 18 Liaohe West Road, Dalian 116600, PR China
| | - Hongcheng Wang
- School of Civil & Environmental Engineering, Harbin Institute of Technology (Shenzhen), Shenzhen 518055, PR China
| | - Yubo Cui
- Key Laboratory of Biotechnology and Bioresources Utilization, Ministry of Education, Dalian Minzu University, 18 Liaohe Road West, Dalian Economic and Technological Development Zone, Dalian 116600, PR China; College of Environment and Resources, Dalian Minzu University, 18 Liaohe West Road, Dalian 116600, PR China
| | - Wanjun Zhang
- Key Laboratory of Biotechnology and Bioresources Utilization, Ministry of Education, Dalian Minzu University, 18 Liaohe Road West, Dalian Economic and Technological Development Zone, Dalian 116600, PR China; College of Environment and Resources, Dalian Minzu University, 18 Liaohe West Road, Dalian 116600, PR China
| | - Xuejun Zou
- Key Laboratory of Biotechnology and Bioresources Utilization, Ministry of Education, Dalian Minzu University, 18 Liaohe Road West, Dalian Economic and Technological Development Zone, Dalian 116600, PR China; College of Environment and Resources, Dalian Minzu University, 18 Liaohe West Road, Dalian 116600, PR China
| | - Ying Zhang
- School of Resources and Environmental Science, Northeast Agricultural University, 59 Mucai Street, HarBin 150030, PR China
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12
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Yang J, van Lier JB, Li J, Guo J, Fang F. Integrated anaerobic and algal bioreactors: A promising conceptual alternative approach for conventional sewage treatment. BIORESOURCE TECHNOLOGY 2022; 343:126115. [PMID: 34655782 DOI: 10.1016/j.biortech.2021.126115] [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: 08/31/2021] [Revised: 10/06/2021] [Accepted: 10/08/2021] [Indexed: 06/13/2023]
Abstract
Conventional sewage treatment applying activated sludge processes is energy-intensive and requires great financial input, hampering widespread implementation. The introduction of anaerobic membrane bioreactors (AnMBR) followed by an algal reactor growing species of commercial interest, may present an alternative, contributing to the envisaged resource recovery at sewage treatment plants. AnMBRs can be applied for organic matter removal with energy self-sufficiency, provided that effective membrane fouling management is applied. Haematococcus pluvialis, an algal species with commercial value, can be selected for ammonium and phosphate removal. Theoretical analysis showed that good pollutant removal, positive financial output, as well as a significant reduction in the amount of hazardous activated sludge can be achieved by applying the proposed process, showing interesting advantages over current sewage treatment processes. Microbial contamination to H. pluvialis is a challenge, and technologies for preventing the contamination during continuous sewage treatment need to be applied.
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Affiliation(s)
- Jixiang Yang
- Chongqing Institute of Green and Intelligent Technology, Chinese Academy of Sciences, Chongqing 401174, China
| | - Jules B van Lier
- Faculty of Civil Engineering and Geosciences, Department of Water Management, Section of Sanitary Engineering, Delft University of Technology, Delft, The Netherlands.
| | - Jian Li
- School of Biological and Chemical Engineering, Panzhihua University, Panzhihua, China
| | - Jinsong Guo
- College of Environment and Ecology, Chongqing University, Chongqing, China
| | - Fang Fang
- College of Environment and Ecology, Chongqing University, Chongqing, China
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13
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Piccolo N, Goel R, Snowling S, Kim Y. Modeling the anaerobic digestion of wastewater sludge under sulfate-rich conditions. WATER ENVIRONMENT RESEARCH : A RESEARCH PUBLICATION OF THE WATER ENVIRONMENT FEDERATION 2021; 93:2084-2096. [PMID: 33991363 DOI: 10.1002/wer.1583] [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: 12/07/2020] [Revised: 05/03/2021] [Accepted: 05/05/2021] [Indexed: 06/12/2023]
Abstract
Anaerobic digestion (AD) is a biological treatment process to stabilize organic solids and produce biogas. If present, sulfate is reduced to sulfide by anaerobic sulfate-reducing bacteria and the sulfide can be toxic to anaerobic microorganisms. Here, the effect of high initial sulfate concentration on AD of wastewater sludge was investigated using lab-scale batch experiments. Additionally, a systematic mathematical modeling approach was applied for insight into the experimental results. Cumulative biogas and methane production decreased with increasing initial sulfate doses (0-3.300 mg S L-1 ). The correlation between the sulfate dose and methane production was consistent with theoretical predictions and model results, indicating no toxic effect of sulfide on methane production. The carbon dioxide content in the biogas decreased linearly with the increasing sulfate dose, which is consistent with the model-predicted behavior of the bicarbonate and hydrogen sulfide buffering system. The examined high sulfate concentrations resulted in no clear negative effects on the COD removal or VSS destruction of the wastewater sludge, indicating negligible inhibition by sulfide toxicity. Even considering the possibility of ferrous sulfide precipitation and the low model estimates of residual sulfide concentration the residual sulfide concentration was higher than reported concentrations that trigger process inhibition. PRACTITIONER POINTS: The effect of sulfate loading on anaerobic digestion of waste activated sludge was characterized. The stoichiometry of sulfate reduction allows accurate prediction of CH4 loss. High sulfate levels (up to 3300 mg/L as S) did not affect COD/VSS removal. Sulfide formation increases effluent COD; often misinterpreted as sulfide toxicity. Correcting COD for sulfide's contributions is crucial for results interpretation.
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Affiliation(s)
- Nicholas Piccolo
- Department of Civil Engineering, McMaster University, Hamilton, ON, Canada
| | - Rajeev Goel
- Digital Water Solutions, Hatch, Oakville, ON, Canada
| | | | - Younggy Kim
- Department of Civil Engineering, McMaster University, Hamilton, ON, Canada
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14
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Zhao K, Su F, Gu K, Qi J, Liu R, Hu C. Antifouling potential and microbial characterization of an electrochemical anaerobic membrane bioreactor utilizing membrane cathode and iron anode. BIORESOURCE TECHNOLOGY 2021; 334:125230. [PMID: 33965852 DOI: 10.1016/j.biortech.2021.125230] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/10/2021] [Revised: 04/21/2021] [Accepted: 04/23/2021] [Indexed: 06/12/2023]
Abstract
Serious membrane fouling limits the application of anaerobic membrane bioreactors (AnMBRs) in sewage treatment. Herein, a novel electrochemical AnMBR (eAnMBR) was established by integrating electrocoagulation and a conductive membrane into an AnMBR. Compared with the traditional AnMBR, TP average removal rate increased by 24.97% and the membrane service cycle extended by 109.68% in the eAnMBR. Low extracellular polymeric substance concentration and large floc size were found in the mixed liquid of the eAnMBR due to the combined effect of coagulation and electric field, which induced a porous and hydrophilic cake layer, resulting in excellent water permeation capabilities. Additionally, the conductive membrane cathode effectively suppressed membrane fouling by the electrostatic repulsion and gas scouring. In the eAnMBR, the presence of an electric field and iron ions enriched the diversity of the microbial community, which may improve the adaptation of biochemical systems to environmental changes.
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Affiliation(s)
- Kai Zhao
- State Key Laboratory of Environmental Aquatic Chemistry, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Fan Su
- State Key Laboratory of Environmental Aquatic Chemistry, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Kanghui Gu
- State Key Laboratory of Environmental Aquatic Chemistry, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
| | - Jing Qi
- State Key Laboratory of Environmental Aquatic Chemistry, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Ruiping Liu
- Center for Water and Ecology, State Key Joint Laboratory of Environment Simulation and Pollution Control, School of Environment, Tsinghua University, Beijing 100084, China
| | - Chengzhi Hu
- State Key Laboratory of Environmental Aquatic Chemistry, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China; University of Chinese Academy of Sciences, Beijing 100049, China.
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15
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Grossman AD, Belete YZ, Boussiba S, Yogev U, Posten C, Ortiz Tena F, Thomsen L, Wang S, Gross A, Leu S, Bernstein R. Advanced near-zero waste treatment of food processing wastewater with water, carbon, and nutrient recovery. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 779:146373. [PMID: 34030249 DOI: 10.1016/j.scitotenv.2021.146373] [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: 01/19/2021] [Revised: 03/04/2021] [Accepted: 03/05/2021] [Indexed: 06/12/2023]
Abstract
A near-zero waste treatment system for food processing wastewater was developed and studied. The wastewater was treated using an anaerobic membrane bioreactor (AnMBR), polished using an outdoor photobioreactor for microalgae cultivation (three species were studied), and excess sludge was treated using hydrothermal carbonization. The study was conducted under arid climate conditions for one year (four seasons). The AnMBR reduced the total organic carbon by 97%, which was mostly recovered as methane (~57%) and hydrochar (~4%). Microalgal biomass productivity in the AnMBR effluent ranged from 0.25 to 0.8 g·L-1·day-1. Nitrogen (N) and phosphorous (P) uptake varied seasonally, from 18 to 45 mg·L-1·day-1 and up to 5 mg·L-1·day-1, respectively. N and P mass balance analysis demonstrated that the process was highly efficient in the recovery of nitrogen (~77%), and phosphorus (~91%). The performance of the microalgal culture changed among seasons because of climatic variation, as a result of variation in the wastewater chemistry, and possibly due to differences among the microalgal species. Effluent standards for irrigation use were met throughout the year and were achieved within two days in summer and 4.5 days in winter. Overall, the study demonstrated a near-zero waste discharge system capable of producing high-quality effluent, achieving nutrient and carbon recovery into microalgae biomass, and energy production as biogas and hydrochar.
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Affiliation(s)
- Amit Dan Grossman
- Zuckerberg Institute for Water Research, The Jacob Blaustein Institutes for Desert Research, Ben-Gurion University of the Negev, Sede-Boqer Campus, 84990, Israel
| | - Yonas Zeslase Belete
- Zuckerberg Institute for Water Research, The Jacob Blaustein Institutes for Desert Research, Ben-Gurion University of the Negev, Sede-Boqer Campus, 84990, Israel
| | - Sammy Boussiba
- Microalgal Biotechnology Laboratory, French Associates Institute for Agriculture and Biotechnology of Drylands, The Jacob Blaustein Institutes for Desert Research, Ben-Gurion University of the Negev, Sede-Boqer Campus, 84990, Israel
| | - Uri Yogev
- National Center for Mariculture, Israel Oceanographic and Limnological Research Institute, 88112 Eilat, Israel
| | - Clemens Posten
- Karlsruhe Institute for Technology, Institute of Process Engineering in Life Sciences, Bioprocess Engineering, Fritz-Haber-Weg 2, 76131 Karlsruhe, Germany
| | - Franziska Ortiz Tena
- Karlsruhe Institute for Technology, Institute of Process Engineering in Life Sciences, Bioprocess Engineering, Fritz-Haber-Weg 2, 76131 Karlsruhe, Germany
| | - Laurenz Thomsen
- Department of Physics and Earth Sciences, Jacobs University Bremen, Campus Ring 1, 28759 Bremen, Germany
| | - Song Wang
- Department of Physics and Earth Sciences, Jacobs University Bremen, Campus Ring 1, 28759 Bremen, Germany
| | - Amit Gross
- Zuckerberg Institute for Water Research, The Jacob Blaustein Institutes for Desert Research, Ben-Gurion University of the Negev, Sede-Boqer Campus, 84990, Israel
| | - Stefan Leu
- Microalgal Biotechnology Laboratory, French Associates Institute for Agriculture and Biotechnology of Drylands, The Jacob Blaustein Institutes for Desert Research, Ben-Gurion University of the Negev, Sede-Boqer Campus, 84990, Israel.
| | - Roy Bernstein
- Zuckerberg Institute for Water Research, The Jacob Blaustein Institutes for Desert Research, Ben-Gurion University of the Negev, Sede-Boqer Campus, 84990, Israel.
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16
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Lei Z, Ma Y, Wang J, Wang XC, Li Q, Chen R. Biochar addition supports high digestion performance and low membrane fouling rate in an anaerobic membrane bioreactor under low temperatures. BIORESOURCE TECHNOLOGY 2021; 330:124966. [PMID: 33744734 DOI: 10.1016/j.biortech.2021.124966] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/30/2021] [Revised: 03/03/2021] [Accepted: 03/05/2021] [Indexed: 05/27/2023]
Abstract
The enhancement effects of biochar to an anaerobic membrane bioreactor (AnMBR) treating sewage at low temperatures was investigated in this study through analyzing organics removal, digestion performance, mixed liquor properties, membrane resistance, and foulant compositions. The chemical oxygen demand (COD) removal efficiency and the COD converted to methane rate increased by more than 12.5% at 10 °C, mainly because of the promotion of biochar to volatile fatty acids degradation. Although biochar caused higher dissolved organic matter (DOM) concentration in the AnMBR, it improved the filtration property of the bulk sludge and absorbed the hydrophobic DOM. The decreased filtration resistance assisted by biochar leads to a prolonged membrane operation duration over 200%. Surface foulants, especially cake foulants, were largely mitigated by the enhanced scouring intensity of mixed liquor at the membrane surface, and hence, decreasing the cake/gel foulants ratio.
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Affiliation(s)
- Zhen Lei
- Key Lab of Environmental Engineering, Shaanxi Province, Xi'an University of Architecture and Technology, No.13 Yanta Road, Xi'an 710055, PR China
| | - Yu Ma
- Key Lab of Environmental Engineering, Shaanxi Province, Xi'an University of Architecture and Technology, No.13 Yanta Road, Xi'an 710055, PR China
| | - Jun Wang
- Key Lab of Environmental Engineering, Shaanxi Province, Xi'an University of Architecture and Technology, No.13 Yanta Road, Xi'an 710055, PR China
| | - Xiaochang C Wang
- International S&T Cooperation Center for Urban Alternative Water Resources Development, Key Laboratory of Northwest Water Resource, Environment and Ecology, MOE, Xi'an University of Architecture and Technology, No.13 Yanta Road, Xi'an 710055, PR China
| | - Qian Li
- Key Lab of Environmental Engineering, Shaanxi Province, Xi'an University of Architecture and Technology, No.13 Yanta Road, Xi'an 710055, PR China
| | - Rong Chen
- Key Lab of Environmental Engineering, Shaanxi Province, Xi'an University of Architecture and Technology, No.13 Yanta Road, Xi'an 710055, PR China; International S&T Cooperation Center for Urban Alternative Water Resources Development, Key Laboratory of Northwest Water Resource, Environment and Ecology, MOE, Xi'an University of Architecture and Technology, No.13 Yanta Road, Xi'an 710055, PR China.
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17
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Uman AE, Bair RA, Yeh DH. Assessment of an Anaerobic Membrane Bioreactor (AnMBR) Treating Medium-Strength Synthetic Wastewater under Cyclical Membrane Operation. MEMBRANES 2021; 11:415. [PMID: 34072658 PMCID: PMC8226899 DOI: 10.3390/membranes11060415] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Revised: 05/24/2021] [Accepted: 05/28/2021] [Indexed: 12/30/2022]
Abstract
A lab-scale (6.2 L) anaerobic membrane bioreactor combined with a tubular, cross-flow, PVDF ultrafiltration membrane was developed and operated to assess the long-term fouling behavior of a cyclically operated anaerobic membrane bioreactor (AnMBR). The AnMBR was operated at 35 ± 1 °C for 200 days with a synthetic influent of 501 mg·L-1 COD to mimic municipal wastewater. The system exhibited high treatment performance with an average COD removal efficiency of 86.5 ± 6.4% (n = 20) and an average permeate COD concentration of 63.9 ± 31.1 mg·L-1. A clear permeate with an average turbidity of 0.6 ± 0.2 NTU, was achieved. Permeate TN and TP concentrations were 22.7 ± 5.1 mg·L-1 and 6.9 ± 2.0 mg·L-1 corresponding to removal efficiencies of 20.6% and 49.3%, respectively, likely due to membrane rejection of particulate, colloidal, and organic fractions. A stable membrane flux of 4.3 L.m-2.h-1 (LMH) was maintained for 183 days without gas-lift, gas sparge, or chemical cleaning. Cyclical operation with frequent relaxation (60 s for every 30 min of the permeate production run) and periodic permeate backwash (15 s for every 186 min) maintained stable membrane operation with an average TMP of 0.25 bar and a fouling rate of 0.007 kPa/h for the entire operating period. The comparison revealed frequent backwashing and relaxation is a sustainable strategy for operation of the AnMBR.
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Affiliation(s)
- Ahmet E. Uman
- Department of Civil and Environmental Engineering, University of South Florida, Tampa, FL 33617, USA; (R.A.B.); (D.H.Y.)
- Bioengineering Department, Istanbul Medeniyet University, Istanbul 34000, Turkey
| | - Robert A. Bair
- Department of Civil and Environmental Engineering, University of South Florida, Tampa, FL 33617, USA; (R.A.B.); (D.H.Y.)
| | - Daniel H. Yeh
- Department of Civil and Environmental Engineering, University of South Florida, Tampa, FL 33617, USA; (R.A.B.); (D.H.Y.)
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18
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Kong Z, Wu J, Rong C, Wang T, Li L, Luo Z, Ji J, Hanaoka T, Sakemi S, Ito M, Kobayashi S, Kobayashi M, Qin Y, Li YY. Large pilot-scale submerged anaerobic membrane bioreactor for the treatment of municipal wastewater and biogas production at 25 °C. BIORESOURCE TECHNOLOGY 2021; 319:124123. [PMID: 32971330 DOI: 10.1016/j.biortech.2020.124123] [Citation(s) in RCA: 43] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/02/2020] [Revised: 09/09/2020] [Accepted: 09/11/2020] [Indexed: 05/27/2023]
Abstract
The aim of this work was to demonstrate the operation of a large pilot-scale submerged anaerobic membrane bioreactor (5.0 m3) for biogas production from municipal wastewater at ambient temperature of 25 °C. To the best of our knowledge, this is the largest one-stage submerged AnMBR that has ever been reported. This AnMBR realized a hydraulic retention time (HRT) of 6 h and a treatment capacity of 20 m3 d-1, obtaining excellent effluent quality with COD removal efficiency over 90% and BOD5 removal over 95%. The biogas yield of the AnMBR was 0.25-0.27 L g-1 removed COD and 0.09-0.10 L L-1 raw wastewater. The methane content of the biogas was at the range of 75%-81%. The COD and nitrogen mass balance were also identified based on long-term operation. The hollow-fiber membrane module realized a flux of 2.75-17.83 LMH. An online backwash chemical cleaning system helped to lower the transmembrane pressure timely.
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Affiliation(s)
- Zhe Kong
- Laboratory of Environmental Protection Engineering, Department of Civil and Environmental Engineering, Graduate School of Engineering, Tohoku University, 6-6-06 Aza-Aoba, Aramaki, Aoba Ward, Sendai, Miyagi 980-8579, Japan
| | - Jiang Wu
- Laboratory of Environmental Protection Engineering, Department of Civil and Environmental Engineering, Graduate School of Engineering, Tohoku University, 6-6-06 Aza-Aoba, Aramaki, Aoba Ward, Sendai, Miyagi 980-8579, Japan; Center for Material Cycles and Waste Management Research, National Institute for Environmental Studies, Tsukuba, 305-8506, Japan
| | - Chao Rong
- Graduate School of Environmental Studies, Tohoku University, 6-6-06 Aza-Aoba, Aramaki, Aoba Ward, Sendai, Miyagi 980-8579, Japan
| | - Tianjie Wang
- Laboratory of Environmental Protection Engineering, Department of Civil and Environmental Engineering, Graduate School of Engineering, Tohoku University, 6-6-06 Aza-Aoba, Aramaki, Aoba Ward, Sendai, Miyagi 980-8579, Japan
| | - Lu Li
- Laboratory of Environmental Protection Engineering, Department of Civil and Environmental Engineering, Graduate School of Engineering, Tohoku University, 6-6-06 Aza-Aoba, Aramaki, Aoba Ward, Sendai, Miyagi 980-8579, Japan
| | - Zibin Luo
- Laboratory of Environmental Protection Engineering, Department of Civil and Environmental Engineering, Graduate School of Engineering, Tohoku University, 6-6-06 Aza-Aoba, Aramaki, Aoba Ward, Sendai, Miyagi 980-8579, Japan
| | - Jiayuan Ji
- Laboratory of Environmental Protection Engineering, Department of Civil and Environmental Engineering, Graduate School of Engineering, Tohoku University, 6-6-06 Aza-Aoba, Aramaki, Aoba Ward, Sendai, Miyagi 980-8579, Japan
| | - Taira Hanaoka
- Solution Engineering Group, Environmental Engineering Department, Mitsubishi Kakoki Kaisha, Ltd., 1-2 Miyamae-Cho, Kawasaki-Ku, Kawasaki, Kanagawa 210-0012, Japan
| | - Shinichi Sakemi
- Solution Engineering Group, Environmental Engineering Department, Mitsubishi Kakoki Kaisha, Ltd., 1-2 Miyamae-Cho, Kawasaki-Ku, Kawasaki, Kanagawa 210-0012, Japan
| | - Masami Ito
- Global Water Recycling and Reuse System Association, Japan, 5-1, Soto-Kanda 1-Chome, Chiyoda-Ku, Tokyo 101-0021, Japan
| | - Shigeki Kobayashi
- Global Water Recycling and Reuse System Association, Japan, 5-1, Soto-Kanda 1-Chome, Chiyoda-Ku, Tokyo 101-0021, Japan
| | - Masumi Kobayashi
- Separation and Aqua Chemicals Department, Mitsubishi Chemical Corporation, Gate City Osaki East Tower, 11-2 Osaki 1-chome, Shinagawa-Ku, Tokyo 141-0032, Japan
| | - Yu Qin
- Laboratory of Environmental Protection Engineering, Department of Civil and Environmental Engineering, Graduate School of Engineering, Tohoku University, 6-6-06 Aza-Aoba, Aramaki, Aoba Ward, Sendai, Miyagi 980-8579, Japan
| | - Yu-You Li
- Laboratory of Environmental Protection Engineering, Department of Civil and Environmental Engineering, Graduate School of Engineering, Tohoku University, 6-6-06 Aza-Aoba, Aramaki, Aoba Ward, Sendai, Miyagi 980-8579, Japan; Graduate School of Environmental Studies, Tohoku University, 6-6-06 Aza-Aoba, Aramaki, Aoba Ward, Sendai, Miyagi 980-8579, Japan.
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