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Wang R, You H, Li Z, Xie B, Qi S, Zhu J, Qin Q, Wang H, Sun J, Ding Y, Jia Y, Liu F. A novel reduced graphene oxide/polypyrrole conductive ceramic membrane enhanced electric field membrane bioreactor: Mariculture wastewater treatment performance and membrane fouling mitigation. BIORESOURCE TECHNOLOGY 2023; 376:128917. [PMID: 36934909 DOI: 10.1016/j.biortech.2023.128917] [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: 02/09/2023] [Revised: 03/12/2023] [Accepted: 03/15/2023] [Indexed: 06/18/2023]
Abstract
A novel electric field membrane bioreactor (EMBR) for mariculture wastewater treatment utilizing reduced graphene oxide/polypyrrole ceramic membrane (rGO/PPy CM) was constructed and compared with MBRs using CM support and rGO/PPy CM. EMBR (rGO/PPy) obtained the highest pollutant removal rates (84.99% for TOC, 85.98% for NH4+-N), the lowest average membrane fouling rate (2.42 kPa/d) and pollutant adhesion performance by characterization. Meanwhile, the specific fluxes of characteristic foulants in EMBR were enhanced, and the total resistances were reduced by 8.12% to 62.46%. The underlying mechanisms included reduced attraction energy and improved electrostatic repulsion between contaminants in EMBR and membrane by the extended Derjaguin-Landau-Verwey-Overbeek (XDLVO) theory, DLVO model and force analysis. Therefore, this study complemented the understanding of antifouling effect and mechanism in EMBR by interaction energy and force analysis of characteristic pollutants. These findings also provided new insights into the application of EMBR for mariculture wastewater treatment.
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Affiliation(s)
- Rui Wang
- State Key Laboratory of Urban Water Resource and Environment, School of Environment, Harbin Institute of Technology, Harbin 150090, China
| | - Hong You
- State Key Laboratory of Urban Water Resource and Environment, School of Environment, Harbin Institute of Technology, Harbin 150090, China; School of Marine Science and Technology, Harbin Institute of Technology at Weihai, Weihai 264209, China
| | - Zhipeng Li
- State Key Laboratory of Urban Water Resource and Environment, School of Environment, Harbin Institute of Technology, Harbin 150090, China; School of Marine Science and Technology, Harbin Institute of Technology at Weihai, Weihai 264209, China.
| | - Binghan Xie
- State Key Laboratory of Urban Water Resource and Environment, School of Environment, Harbin Institute of Technology, Harbin 150090, China; School of Marine Science and Technology, Harbin Institute of Technology at Weihai, Weihai 264209, China
| | - Shaojie Qi
- State Key Laboratory of Urban Water Resource and Environment, School of Environment, Harbin Institute of Technology, Harbin 150090, China
| | - Jing Zhu
- State Key Laboratory of Urban Water Resource and Environment, School of Environment, Harbin Institute of Technology, Harbin 150090, China
| | - Qiqing Qin
- School of Marine Science and Technology, Harbin Institute of Technology at Weihai, Weihai 264209, China
| | - Han Wang
- State Key Laboratory of Urban Water Resource and Environment, School of Environment, Harbin Institute of Technology, Harbin 150090, China
| | - Jinxu Sun
- School of Civil and Environmental Engineering, Harbin Institute of Technology at Shenzhen, Shenzhen 518055, China
| | - Yi Ding
- Marine College, Shandong University, Weihai 264209, China
| | - Yuhong Jia
- School of Marine Science and Technology, Harbin Institute of Technology at Weihai, Weihai 264209, China
| | - Feng Liu
- School of Marine Science and Technology, Harbin Institute of Technology at Weihai, Weihai 264209, China
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Long SM, Tang HL. A feasibility study of disinfection by-product precursor removal from surface water by a membrane bioreactor acclimatized with wastewater organic matter. WATER SCIENCE AND TECHNOLOGY : A JOURNAL OF THE INTERNATIONAL ASSOCIATION ON WATER POLLUTION RESEARCH 2018; 78:991-998. [PMID: 30252676 DOI: 10.2166/wst.2018.386] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
A membrane bioreactor (MBR) acclimatized with wastewater organic matter was employed for surface water treatment, and the feasibility of the MBR for the removal of disinfection by-product (DBP) precursors was studied. With a low pressure microfiltration hollow-fiber membrane module, a hydraulic retention time of 1.5 hours and a solids retention time of 180 days, the MBR was able to achieve 35% removal of trichloroacetic acid precursors and 21% removal of dichloroacetic acid precursors. The removal of trichloromethane (TCM) and brominated DBP precursors was unsatisfactory. The TCM yield and bromine substitution factors for trihalomethanes and dihaloacetic acids increased. The phenomena could be attributed to an extended treatment time for hydrophobic dissolved organic matter (DOM), production of soluble microbial products from biomass activities, and an increased Br/DOM ratio by the MBR. Since the MBR treatment would lead to the production of some new DBP precursors and a change of DOM composition, the toxic potency of the DBPs formed needs to be taken into consideration if this process is employed for surface water treatment.
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Affiliation(s)
- Stephen M Long
- Department of Chemistry, Indiana University of Pennsylvania, Indiana, Pennsylvania 15705, USA E-mail:
| | - Hao L Tang
- Department of Chemistry, Indiana University of Pennsylvania, Indiana, Pennsylvania 15705, USA E-mail:
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Remmas N, Melidis P, Zerva I, Kristoffersen JB, Nikolaki S, Tsiamis G, Ntougias S. Dominance of candidate Saccharibacteria in a membrane bioreactor treating medium age landfill leachate: Effects of organic load on microbial communities, hydrolytic potential and extracellular polymeric substances. BIORESOURCE TECHNOLOGY 2017; 238:48-56. [PMID: 28432949 DOI: 10.1016/j.biortech.2017.04.019] [Citation(s) in RCA: 48] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/17/2017] [Revised: 04/03/2017] [Accepted: 04/05/2017] [Indexed: 06/07/2023]
Abstract
A membrane bioreactor (MBR), accomplishing high nitrogen removal efficiencies, was evaluated under various landfill leachate concentrations (50, 75 and 100% v/v). Proteinous and carbohydrate extracellular polymeric substances (EPS) and soluble microbial product (SMP) were strongly correlated (p<0.01) with organic load, salinity and NH4+-N. Exceptionally high β-glucosidase activities (6700-10,100Ug-1) were determined during MBR operation with 50% v/v leachate, as a result of the low organic carbon availability that extendedly induced β-glucosidases to breakdown the least biodegradable organic fraction. Illumina sequencing revealed that candidate Saccharibacteria were dominant, independently of the leachate concentration applied, whereas other microbiota (21.2% of total reads) disappeared when undiluted leachate was used. Fungal taxa shifted from a Saccharomyces- to a newly-described Cryptomycota-based community with increasing leachate concentration. Indeed, this is the first report on the dominance of candidate Saccharibacteria and on the examination of their metabolic behavior in a bioreactor treating real wastewater.
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Affiliation(s)
- Nikolaos Remmas
- Laboratory of Wastewater Management and Treatment Technologies, Department of Environmental Engineering, Democritus University of Thrace, Vas. Sofias 12, 67100 Xanthi, Greece
| | - Paraschos Melidis
- Laboratory of Wastewater Management and Treatment Technologies, Department of Environmental Engineering, Democritus University of Thrace, Vas. Sofias 12, 67100 Xanthi, Greece
| | - Ioanna Zerva
- Laboratory of Wastewater Management and Treatment Technologies, Department of Environmental Engineering, Democritus University of Thrace, Vas. Sofias 12, 67100 Xanthi, Greece
| | - Jon Bent Kristoffersen
- Institute of Marine Biology, Biotechnology and Aquaculture, Hellenic Centre for Marine Research, Heraklion 71500, Greece
| | - Sofia Nikolaki
- Department of Environmental and Natural Resources Management, University of Patras, 2 Seferi St., Agrinio 30100, Greece
| | - George Tsiamis
- Department of Environmental and Natural Resources Management, University of Patras, 2 Seferi St., Agrinio 30100, Greece
| | - Spyridon Ntougias
- Laboratory of Wastewater Management and Treatment Technologies, Department of Environmental Engineering, Democritus University of Thrace, Vas. Sofias 12, 67100 Xanthi, Greece.
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Thacher R, Hsu L, Ravindran V, Nealson KH, Pirbazari M. Modeling the transport and bioreduction of hexavalent chromium in aquifers: Influence of natural organic matter. Chem Eng Sci 2015. [DOI: 10.1016/j.ces.2015.08.011] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Mondal S, De S, Cassano A, Tasselli F. Modeling of turbulent cross flow microfiltration of pomegranate juice using hollow fiber membranes. AIChE J 2014. [DOI: 10.1002/aic.14594] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Sourav Mondal
- Dept. of Chemical Engineering; Indian Institute of Technology Kharagpur; Kharagpur 721302 India
| | - Sirshendu De
- Dept. of Chemical Engineering; Indian Institute of Technology Kharagpur; Kharagpur 721302 India
| | - Alfredo Cassano
- Inst. on Membrane Technology, ITM-CNR, c/o University of Calabria; via P. Bucci, 17/C, I-87030 Rende Cosenza Italy
| | - Franco Tasselli
- Inst. on Membrane Technology, ITM-CNR, c/o University of Calabria; via P. Bucci, 17/C, I-87030 Rende Cosenza Italy
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