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Li Y, Yang T, Lin X, Huang J, Zeng J, Cai Q, Zhang Y, Rong J, Yu W, Qiu J, Pang Y, Zhou J. Isolation, identification, and optimization of conditions for the degradation of four sulfonamide antibiotics and their metabolic pathways in Pseudomonas stutzeri strain DLY-21. Heliyon 2024; 10:e29123. [PMID: 38601639 PMCID: PMC11004222 DOI: 10.1016/j.heliyon.2024.e29123] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2023] [Revised: 03/28/2024] [Accepted: 04/01/2024] [Indexed: 04/12/2024] Open
Abstract
Overuse of sulfonamides in aquaculture and agriculture leads to residual drugs that cause serious pollution of the environment. However, the residues of sulfonamides in the environment are not unique, and the existing microbial degradation technology has a relatively low degradation rate of sulfonamides. Therefore, in this study, a Pseudomonas stutzeri strain (DLY-21) with the ability to degrade four common SAs was screened and isolated from aerobic compost. Under optimal conditions, the DLY-21 strain degraded four sulfonamides simultaneously within 48 h, and the degradation rates were all over 90%, with the average degradation rates of SAs being sulfoxide (SDM) ≈ sulfachloropyridazine (SCP) > sulfa quinoxaline (SQ) > sulfadiazine (SQ). In addition, the main compounds of the strain DLY-21-degrading SAs were identified by LC-MS analysis. On this basis, four detailed reaction pathways for SA degradation were deduced. This is the first report of the use of a P. stutzeri strain to degrade four sulfonamide antibiotics (SQ, SDM, SCP, and SM1), which can improve the removal efficiency of sulfonamide antibiotic pollutants and thus ameliorate environmental pollution. The results showed that DLY-21 had a good degradation effect on four SAs (SQ, SDM, SCP, and SM1).
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Affiliation(s)
- Yaxin Li
- College of Agriculture, Yangtze University, Jingzhou, 434025, China
| | - Ting Yang
- College of Agriculture, Yangtze University, Jingzhou, 434025, China
| | - Xiaojun Lin
- South China Irstitute of Environmental Sciences, MEE, Guangzhou, 510642, China
| | - Jianfeng Huang
- Guangdong Academy of Agricultural Sciences, Guangzhou, 510640, China
| | - Jingwen Zeng
- South China Irstitute of Environmental Sciences, MEE, Guangzhou, 510642, China
| | - Qianyi Cai
- South China Irstitute of Environmental Sciences, MEE, Guangzhou, 510642, China
| | - Yuanling Zhang
- Guangzhou Shangran Environmental Technology Co., Ltd, 511442, China
| | - Jinnan Rong
- Guangzhou Shangran Environmental Technology Co., Ltd, 511442, China
| | - Weida Yu
- Guangzhou Shangran Environmental Technology Co., Ltd, 511442, China
| | - Jinrong Qiu
- South China Irstitute of Environmental Sciences, MEE, Guangzhou, 510642, China
| | - Yuwan Pang
- Guangdong Academy of Agricultural Sciences, Guangzhou, 510640, China
| | - Jianli Zhou
- College of Agriculture, Yangtze University, Jingzhou, 434025, China
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2
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Li Y, Wei Q, Zhao X, Qi Y, Guo M, Liu W. Degradation of sulfamethazine by microbial electrolysis cell with nickel-cobalt co-modified biocathode. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:16497-16510. [PMID: 38321275 DOI: 10.1007/s11356-024-32313-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/18/2023] [Accepted: 01/29/2024] [Indexed: 02/08/2024]
Abstract
In this study, nickel-cobalt co-modified stainless steel mesh (Ni-Co@SSM) was prepared and used as the biocathode in microbial electrolysis cell (MEC) for sulfamethazine (SMT) degradation. The optimal electrochemical performance of the Ni-Co@SSM was obtained at the electrodeposition time of 600 s, electrodeposition current density of 20 mA cm-2, and nickel-cobalt molar ratio of 1:2. The removal of SMT in MEC with the Ni-Co@SSM biocathode (MEC-Ni-Co@SSM) was 82%, which increased by 30% compared with the conventional anaerobic reactor. Thirteen intermediates were identified and the potential degradation pathways of SMT were proposed. Proteobacteria, Firmicutes, Patescibacteria, Chloroflexi, Bacteroidetes, and Euryarchaeota are the dominant bacteria at the phylum level in the MEC-Ni-Co@SSM, which are responsible for SMT metabolism. Due to the electrical stimulation, there was an increase in the abundance of the metabolic function and the genetic information processing. This work provides valuable insight into utilizing MECs for effective treatment of antibiotic-containing wastewater.
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Affiliation(s)
- Yabin Li
- College of Petrochemical Engineering, Lanzhou University of Technology, Lanzhou, 730050, People's Republic of China
| | - Qian Wei
- College of Petrochemical Engineering, Lanzhou University of Technology, Lanzhou, 730050, People's Republic of China
| | - Xia Zhao
- College of Petrochemical Engineering, Lanzhou University of Technology, Lanzhou, 730050, People's Republic of China.
| | - Yihan Qi
- College of Petrochemical Engineering, Lanzhou University of Technology, Lanzhou, 730050, People's Republic of China
| | - Menghan Guo
- College of Petrochemical Engineering, Lanzhou University of Technology, Lanzhou, 730050, People's Republic of China
| | - Weijing Liu
- Lanzhou Sanmao Industrial LLC, Lanzhou, 730316, People's Republic of China
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Zhang H, Duan L, Li S, Gao Q, Li M, Xing F, Zhao Y. Simultaneous Wastewater Treatment and Resources Recovery by Forward Osmosis Coupled with Microbial Fuel Cell: A Review. MEMBRANES 2024; 14:29. [PMID: 38392656 PMCID: PMC10890705 DOI: 10.3390/membranes14020029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/27/2023] [Revised: 01/19/2024] [Accepted: 01/21/2024] [Indexed: 02/24/2024]
Abstract
Osmotic microbial fuel cells (OsMFCs) with the abilities to simultaneously treat wastewater, produce clean water, and electricity provided a novel approach for the application of microbial fuel cell (MFC) and forward osmosis (FO). This synergistic merging of functions significantly improved the performances of OsMFCs. Nonetheless, despite their promising potential, OsMFCs currently receive inadequate attention in wastewater treatment, water reclamation, and energy recovery. In this review, we delved into the cooperation mechanisms between the MFC and the FO. MFC facilitates the FO process by promoting water flux, reducing reverse solute flux (RSF), and degrading contaminants in the feed solution (FS). Moreover, the water flux based on the FO principle contributed to MFC's electricity generation capability. Furthermore, we summarized the potential roles of OsMFCs in resource recovery, including nutrient, energy, and water recovery, and identified the key factors, such as configurations, FO membranes, and draw solutions (DS). We prospected the practical applications of OsMFCs in the future, including their capabilities to remove emerging pollutants. Finally, we also highlighted the existing challenges in membrane fouling, system expansion, and RSF. We hope this review serves as a useful guide for the practical implementation of OsMFCs.
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Affiliation(s)
- Hengliang Zhang
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing 100012, China
- Basin Research Center for Water Pollution Control, Chinese Research Academy of Environmental Sciences, Beijing 100012, China
- College of Water Sciences, Beijing Normal University, Beijing 100875, China
| | - Liang Duan
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing 100012, China
- Basin Research Center for Water Pollution Control, Chinese Research Academy of Environmental Sciences, Beijing 100012, China
| | - Shilong Li
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing 100012, China
- Basin Research Center for Water Pollution Control, Chinese Research Academy of Environmental Sciences, Beijing 100012, China
| | - Qiusheng Gao
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing 100012, China
- Basin Research Center for Water Pollution Control, Chinese Research Academy of Environmental Sciences, Beijing 100012, China
- College of Water Sciences, Beijing Normal University, Beijing 100875, China
| | - Mingyue Li
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing 100012, China
- Basin Research Center for Water Pollution Control, Chinese Research Academy of Environmental Sciences, Beijing 100012, China
| | - Fei Xing
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing 100012, China
- Basin Research Center for Water Pollution Control, Chinese Research Academy of Environmental Sciences, Beijing 100012, China
| | - Yang Zhao
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing 100012, China
- Basin Research Center for Water Pollution Control, Chinese Research Academy of Environmental Sciences, Beijing 100012, China
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Zhang Y, Hu W, Lin L, Bu S, Guan Z, Zhang J, Wang Q. Enhanced treatment of sludge drying condensate by A/O-MBR process: Microbial activity and community structure. CHEMOSPHERE 2023; 340:139911. [PMID: 37611752 DOI: 10.1016/j.chemosphere.2023.139911] [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: 05/27/2023] [Revised: 07/19/2023] [Accepted: 08/19/2023] [Indexed: 08/25/2023]
Abstract
With the rapid increase of sludge production from sewage treatment plants, the treatment of sludge drying condensate rich in a large amount of pollutants urgently needs to be addressed. Due to the unique characteristics of sludge drying condensate (high ammonia nitrogen and COD concentration), there are almost no reports on biological treatment methods specifically targeting sludge drying condensate. In this study, A/O-MBR process was proposed for sludge drying condensate treatment and the effects of ammonia nitrogen loads, alkalinity and aeration intensity were explored. Experimental results show that under the ammonia nitrogen load of 0.35 kg NH4+-N/(m3·d) and the aeration intensity of 0.5 m3/(m2·min), the removal rate of COD and NH4+-N could reach 94% and 99.86% with the addition of alkalinity (m(NaHCO3): m(NH4+-N) = 7:1), respectively. The distribution of living and dead microbial cells in the activated sludge of three reactors also proved that the supplement of alkalinity in the influent can ensure the feasible living conditions for microorganisms. In addition to traditional nitrifying bacteria, through the supplementation of alkalinity and the reduction of aeration intensity, the system had also domesticated high abundance heterogeneous nitrification aerobic denitrification (HN-AD) and aerobic denitrification bacteria (both more than 10% of the total bacterial count). The denitrification process of sludge drying condensate was simplified and the denitrification efficiency was greatly improved. The findings of this study could provide important theoretical guidance for the biological treatment process of sludge drying condensate.
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Affiliation(s)
- Yin Zhang
- State Key Laboratory of Pollution Control and Resource Reuse, Shanghai Institute of Pollution Control and Ecological Security, School of Environmental Science and Engineering, Tongji University, Shanghai, 200092, China.
| | - Weijie Hu
- Shanghai Municipal Engineering Design Institute (Group) Co., Ltd, Shanghai, 200092, China
| | - Lifeng Lin
- Shanghai Municipal Engineering Design Institute (Group) Co., Ltd, Shanghai, 200092, China
| | - Shiying Bu
- State Key Laboratory of Pollution Control and Resource Reuse, Shanghai Institute of Pollution Control and Ecological Security, School of Environmental Science and Engineering, Tongji University, Shanghai, 200092, China
| | - Zhangqin Guan
- Shanghai Zizheng Environmental Technology Co., Ltd, Shanghai, 200086, China
| | - Jie Zhang
- State Key Laboratory of Pollution Control and Resource Reuse, Shanghai Institute of Pollution Control and Ecological Security, School of Environmental Science and Engineering, Tongji University, Shanghai, 200092, China
| | - Qiaoying Wang
- State Key Laboratory of Pollution Control and Resource Reuse, Shanghai Institute of Pollution Control and Ecological Security, School of Environmental Science and Engineering, Tongji University, Shanghai, 200092, China.
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Wang Q, Zheng W, Wang Y, Zhang T, Zhou Z, Wu Z. Insights into effects of operating temperature on the removal of pharmaceuticals/pesticides/synthetic organic compounds by membrane bioreactor process. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2023; 335:122145. [PMID: 37422084 DOI: 10.1016/j.envpol.2023.122145] [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: 05/02/2023] [Revised: 06/17/2023] [Accepted: 07/03/2023] [Indexed: 07/10/2023]
Abstract
In this study, the removal efficiency and mechanism of 8 kinds of typical micropollutants by membrane bioreactor (MBR) at different temperatures (i.e. 15, 25 and 35 °C) were investigated. MBR exhibited the high removal rate (>85%) for 3 kinds of industrial synthetic organic micropollutants (i.e. bisphenol A (BPA), 4-tert-octylphenol (TB) and 4-n-nonylphenol (NP)) with similar functional groups, structures and high hydrophobicity (Log D > 3.2). However, the removal rates of ibuprofen (IBU), carbamazepine (CBZ) and sulfamethoxazole (SMX) with pharmaceutical activity showed great discrepancy (i.e. 93%, 14.2% and 29%, respectively), while that of pesticides (i.e. acetochlor (Ac) and 2,4-dichlorophenoxy acetic acid (2,4-D) were both lower than 10%. The results showed that the operating temperature played a significant role in microbial growth and activities. High temperature (35 °C) led to a decreased removal efficiency for most of hydrophobic organic micropollutants, and was also not conducive for refractory CBZ due to the temperature sensitivity. At lower temperature (15 °C), a large amount of exopolysaccharides and proteins were released by microorganisms, which caused the inhibited microbial activity, poor flocculation and sedimentation, resulting in the polysaccharide-type membrane fouling. It was proved that dominant microbial degradation of 61.01%-92.73% and auxiliary adsorption of 5.29%-28.30% were the main mechanisms for micropollutant removal in MBR system except for pesticides due to the toxicity. Therefore, the removal rates of most micropollutants were highest at 25 °C due to the high activity sludge so as to enhance microbial adsorption and degradation.
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Affiliation(s)
- Qiaoying Wang
- State Key Laboratory of Pollution Control and Resource Reuse, Shanghai Institute of Pollution Control and Ecological Security, College of Environmental Science and Engineering, Tongji University, Shanghai, 200092, China
| | - Wenjia Zheng
- State Key Laboratory of Pollution Control and Resource Reuse, Shanghai Institute of Pollution Control and Ecological Security, College of Environmental Science and Engineering, Tongji University, Shanghai, 200092, China
| | - Yan Wang
- State Key Laboratory of Pollution Control and Resource Reuse, Shanghai Institute of Pollution Control and Ecological Security, College of Environmental Science and Engineering, Tongji University, Shanghai, 200092, China
| | - Tong Zhang
- State Key Laboratory of Pollution Control and Resource Reuse, Shanghai Institute of Pollution Control and Ecological Security, College of Environmental Science and Engineering, Tongji University, Shanghai, 200092, China.
| | - Zhen Zhou
- College of Environmental and Chemical Engineering, Shanghai Institute of Pollution Control and Ecological Security, Shanghai University of Electric Power, Shanghai, 200090, China
| | - Zhichao Wu
- State Key Laboratory of Pollution Control and Resource Reuse, Shanghai Institute of Pollution Control and Ecological Security, College of Environmental Science and Engineering, Tongji University, Shanghai, 200092, China
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6
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Waqas S, Harun NY, Sambudi NS, Abioye KJ, Zeeshan MH, Ali A, Abdulrahman A, Alkhattabi L, Alsaadi AS. Effect of Operating Parameters on the Performance of Integrated Fixed-Film Activated Sludge for Wastewater Treatment. MEMBRANES 2023; 13:704. [PMID: 37623765 PMCID: PMC10456300 DOI: 10.3390/membranes13080704] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/10/2023] [Revised: 06/22/2023] [Accepted: 07/05/2023] [Indexed: 08/26/2023]
Abstract
Integrated fixed-film activated sludge (IFAS) is a hybrid wastewater treatment process that combines suspended and attached growth. The current review provides an overview of the effect of operating parameters on the performance of IFAS and their implications for wastewater treatment. The operating parameters examined include hydraulic retention time (HRT), solids retention time (SRT), dissolved oxygen (DO) levels, temperature, nutrient loading rates, and aeration. Proper control and optimization of these parameters significantly enhance the treatment efficiency and pollutant removal. Longer HRT and appropriate SRT contribute to improved organic matter and nutrient removal. DO levels promote the growth of aerobic microorganisms, leading to enhanced organic matter degradation. Temperature influences microbial activity and enzymatic reactions, impacting treatment efficiency. Nutrient loading rates must be carefully managed to avoid system overload or inhibition. Effective aeration ensures uniform distribution of wastewater and biofilm carriers, optimizing contact between microorganisms and pollutants. IFAS has been used in water reuse applications, providing a sustainable and reliable water source for non-potable uses. Overall, IFAS has proven to be an effective and efficient treatment process that can provide high-quality effluent suitable for discharge or reuse. Understanding the effects of these operating parameters helps to optimize the design and operation for efficient wastewater treatment. Further research is needed to explore the interactions between different parameters, evaluate their impact under varying wastewater characteristics, and develop advanced control strategies for improved performance and sustainability.
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Affiliation(s)
- Sharjeel Waqas
- Chemical Engineering Department, Universiti Teknologi PETRONAS, Bandar Seri Iskandar 32610, Malaysia; (K.J.A.); (M.H.Z.)
| | - Noorfidza Yub Harun
- Chemical Engineering Department, Universiti Teknologi PETRONAS, Bandar Seri Iskandar 32610, Malaysia; (K.J.A.); (M.H.Z.)
| | - Nonni Soraya Sambudi
- Department of Chemical Engineering, Universitas Pertamina, Simprug, Jakarta Selatan 12220, Indonesia;
| | - Kunmi Joshua Abioye
- Chemical Engineering Department, Universiti Teknologi PETRONAS, Bandar Seri Iskandar 32610, Malaysia; (K.J.A.); (M.H.Z.)
| | - Muhammad Hamad Zeeshan
- Chemical Engineering Department, Universiti Teknologi PETRONAS, Bandar Seri Iskandar 32610, Malaysia; (K.J.A.); (M.H.Z.)
| | - Abulhassan Ali
- Department of Chemical Engineering, University of Jeddah, Jeddah 23890, Saudi Arabia; (A.A.); (A.A.)
| | - Aymn Abdulrahman
- Department of Chemical Engineering, University of Jeddah, Jeddah 23890, Saudi Arabia; (A.A.); (A.A.)
| | - Loai Alkhattabi
- Department of Civil and Environmental Engineering, College of Engineering, University of Jeddah, Jeddah 23890, Saudi Arabia;
| | - Ahmad S. Alsaadi
- Department of Chemical Engineering, University of Jeddah, Jeddah 23890, Saudi Arabia; (A.A.); (A.A.)
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Fu Y, Xu R, Yang B, Wu Y, Xia L, Tawfik A, Meng F. Mediation of Bacterial Interactions via a Novel Membrane-Based Segregator to Enhance Biological Nitrogen Removal. Appl Environ Microbiol 2023; 89:e0070923. [PMID: 37404187 PMCID: PMC10370321 DOI: 10.1128/aem.00709-23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2023] [Accepted: 06/12/2023] [Indexed: 07/06/2023] Open
Abstract
The regulation of microbial subpopulations in wastewater treatment plants (WWTPs) with desired functions can guarantee nutrient removal. In nature, "good fences make good neighbors," which can be applied to engineering microbial consortia. Herein, a membrane-based segregator (MBSR) was proposed, where porous membranes not only promote the diffusion of metabolic products but also isolate incompatible microbes. The MBSR was integrated with an anoxic/aerobic membrane bioreactor (i.e., an experimental MBR). The long-term operation showed that the experimental MBR exhibited higher nitrogen removal (10.45 ± 2.73 mg/L total nitrogen) than the control MBR (21.68 ± 4.23 mg/L) in the effluent. The MBSR resulted in much lower oxygen reduction potential in the anoxic tank of the experimental MBR (-82.00 mV) compared to that of the control MBR (83.25 mV). The lower oxygen reduction potential can inevitably aid in the occurrence of denitrification. The 16S rRNA sequencing showed that the MBSR significantly enriched acidogenic consortia, which yielded considerable volatile fatty acids by fermenting the added carbon sources and allowed efficient transfer of these small molecules to the denitrifying community. Moreover, the sludge communities of the experimental MBR harbored a higher abundance of denitrifying bacteria than those of the control MBR. Metagenomic analysis further corroborated these sequencing results. The spatially structured microbial communities in the experimental MBR system demonstrate the practicability of the MBSR, achieving nitrogen removal efficiency superior to that of mixed populations. Our study provides an engineering method for modulating the assembly and metabolic division of labor of subpopulations in WWTPs. IMPORTANCE This study provides an innovative and applicable method for regulating subpopulations (activated sludge and acidogenic consortia), which contributes to the precise control of the metabolic division of labor in biological wastewater treatment processes.
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Affiliation(s)
- Yue Fu
- School of Environmental Science and Engineering, Sun Yat-sen University, Guangzhou, PR China
- Guangdong Provincial Key Laboratory of Environmental Pollution Control and Remediation Technology, Sun Yat-sen University, Guangzhou, PR China
| | - Ronghua Xu
- School of Environmental Science and Engineering, Sun Yat-sen University, Guangzhou, PR China
- Guangdong Provincial Key Laboratory of Environmental Pollution Control and Remediation Technology, Sun Yat-sen University, Guangzhou, PR China
| | - Boyi Yang
- School of Environmental Science and Engineering, Sun Yat-sen University, Guangzhou, PR China
- Guangdong Provincial Key Laboratory of Environmental Pollution Control and Remediation Technology, Sun Yat-sen University, Guangzhou, PR China
| | - Yingxin Wu
- School of Environmental Science and Engineering, Sun Yat-sen University, Guangzhou, PR China
- Guangdong Provincial Key Laboratory of Environmental Pollution Control and Remediation Technology, Sun Yat-sen University, Guangzhou, PR China
| | - Lichao Xia
- School of Environmental Science and Engineering, Sun Yat-sen University, Guangzhou, PR China
- Guangdong Provincial Key Laboratory of Environmental Pollution Control and Remediation Technology, Sun Yat-sen University, Guangzhou, PR China
| | - Ahmed Tawfik
- National Research Centre, Water Pollution Research Department, Dokki, Cairo, Egypt
| | - Fangang Meng
- School of Environmental Science and Engineering, Sun Yat-sen University, Guangzhou, PR China
- Guangdong Provincial Key Laboratory of Environmental Pollution Control and Remediation Technology, Sun Yat-sen University, Guangzhou, PR China
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Song Z, Sun F, Xing D, Liao R, Zhang X, Wang M, Su X, Wen Z, Dong W. Integrating electrochemical pre-treatment with carrier-based membrane bioreactor for efficient treatment of municipal waste transfer stations leachate. BIORESOURCE TECHNOLOGY 2023; 379:129003. [PMID: 37019412 DOI: 10.1016/j.biortech.2023.129003] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/12/2023] [Revised: 03/20/2023] [Accepted: 03/30/2023] [Indexed: 05/03/2023]
Abstract
An integrated process of electrochemical pre-treatment with carrier-based membrane bioreactor (MBR) was constructed for fresh leachate from waste transfer stations with high organic and NH4+-N content. Results showed that within a hydraulic retention time 40 h, the removal efficiencies of chemical oxygen demand (COD), NH4+-N, suspended solids (SS) and total phosphorus (TP) were over 98.5%, 91.2%, 98.3% and 98.4%, respectively, with the organic removal rate of 18.7 kg/m3. The effluent met the Grade A Standard of China (GB/T31962-2015). Pre-treatment contributed about 70 % of the degraded refractory organics and almost all the SS, with the transformation of the humic-like acid to readily biodegradable organics. Biotreatment further removed over 50% of nitrogen pollutants through simultaneous nitrification and denitrification (SND) and consumed about 30% of organics. Meanwhile, the addition of carriers in the oxic MBR enhanced the attached biomass and denitrification enzyme activity, alleviating membrane fouling.
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Affiliation(s)
- Zi Song
- State Key Laboratory of Urban Water Resource and Environment, Shenzhen Key Laboratory of Water Resource Utilization and Environmental Pollution Control, Harbin Institute of Technology (Shenzhen), Shenzhen 518055, China
| | - Feiyun Sun
- State Key Laboratory of Urban Water Resource and Environment, Shenzhen Key Laboratory of Water Resource Utilization and Environmental Pollution Control, Harbin Institute of Technology (Shenzhen), Shenzhen 518055, China; State Key Laboratory of Urban Water Resource and Environment, Harbin Institute of Technology, Harbin 150090, China
| | - Dingyu Xing
- State Key Laboratory of Urban Water Resource and Environment, Shenzhen Key Laboratory of Water Resource Utilization and Environmental Pollution Control, Harbin Institute of Technology (Shenzhen), Shenzhen 518055, China; Joint Laboratory of Urban High Strength Wastewater Treatment and Resource Utilization, Harbin Institute of Technology (Shenzhen), Shenzhen 518055, China.
| | - Runfeng Liao
- Joint Research Centre for Protective Infrastructure Technology and Environmental Green Bioprocess, Department of Environmental and Municipal Engineering, Tianjin Chengjian University, Tianjin 300384, China
| | - Xinbo Zhang
- Joint Research Centre for Protective Infrastructure Technology and Environmental Green Bioprocess, Department of Environmental and Municipal Engineering, Tianjin Chengjian University, Tianjin 300384, China
| | - Mingming Wang
- State Key Laboratory of Urban Water Resource and Environment, Shenzhen Key Laboratory of Water Resource Utilization and Environmental Pollution Control, Harbin Institute of Technology (Shenzhen), Shenzhen 518055, China
| | - Xiaoli Su
- State Key Laboratory of Urban Water Resource and Environment, Shenzhen Key Laboratory of Water Resource Utilization and Environmental Pollution Control, Harbin Institute of Technology (Shenzhen), Shenzhen 518055, China
| | - Zheng Wen
- State Key Laboratory of Urban Water Resource and Environment, Shenzhen Key Laboratory of Water Resource Utilization and Environmental Pollution Control, Harbin Institute of Technology (Shenzhen), Shenzhen 518055, China
| | - Wenyi Dong
- State Key Laboratory of Urban Water Resource and Environment, Shenzhen Key Laboratory of Water Resource Utilization and Environmental Pollution Control, Harbin Institute of Technology (Shenzhen), Shenzhen 518055, China; State Key Laboratory of Urban Water Resource and Environment, Harbin Institute of Technology, Harbin 150090, China; Joint Laboratory of Urban High Strength Wastewater Treatment and Resource Utilization, Harbin Institute of Technology (Shenzhen), Shenzhen 518055, China
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9
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Dao KC, Tsai YP, Yang CC, Chen KF. Simultaneous Carbamazepine and Phosphate Removal from a Moving-Bed Membrane Bioreactor Effluent by the Electrochemical Process: Treatment Optimization by Factorial Design. MEMBRANES 2022; 12:1256. [PMID: 36557163 PMCID: PMC9781923 DOI: 10.3390/membranes12121256] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/10/2022] [Revised: 12/04/2022] [Accepted: 12/08/2022] [Indexed: 06/17/2023]
Abstract
Pharmaceutical and personal care products are frequently used in various fields and released into water bodies from the outlets of wastewater treatment plants. These products can harm the environment and human health even at low concentrations. Carbamazepine (CBZ), the most persistent pharmaceutical, has frequently been found in surface waters that bypassed the secondary treatments of conventional activated sludge. In addition, the treatment of phosphate in wastewater by the electrochemical process has recently attracted much attention because of its ability to remove, recover, and prevent environmental problems associated with eutrophication. This study proposes using the electrochemical process as an advanced oxidation process to simultaneously treat CBZ and phosphate from the moving-bed membrane bioreactor effluent. The study includes a long-term survey of CBZ treatment efficiency and common parameters of synthetic wastewater in the moving-bed membrane bioreactor system. Afterward, the electrochemical process is applied as an advanced oxidation process for the simultaneous removal of CBZ and phosphate from the moving-bed membrane bioreactor. Under the investigated conditions, CBZ has proven not to be an inhibitor of microbial activity, as evidenced by the high extent of chemical oxygen demand and nutrient removal. Using a factorial design, the electrochemical process using Pt/Ti as anode and cathode under optimal conditions (reaction time-80 min, bias potential-3 V, and electrode distance-1 cm) resulted in as high as 56.94% CBZ and 95.95% phosphate removal, respectively. The results demonstrated the ability to combine an electrochemical and a moving-bed membrane bioreactor process to simultaneously remove CBZ and phosphate in wastewater.
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Affiliation(s)
- Khanh-Chau Dao
- Department of Civil Engineering, National Chi Nan University, Nantou Hsien 54561, Taiwan
- Department of Health, Dong Nai Technology University, Bien Hoa 810000, Dong Nai, Vietnam
| | - Yung-Pin Tsai
- Department of Civil Engineering, National Chi Nan University, Nantou Hsien 54561, Taiwan
| | - Chih-Chi Yang
- Department of Civil Engineering, National Chi Nan University, Nantou Hsien 54561, Taiwan
| | - Ku-Fan Chen
- Department of Civil Engineering, National Chi Nan University, Nantou Hsien 54561, Taiwan
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Mao L, Huang J, Mao H, Xu M, Zhang W. Self-floating capsule of algicidal bacteria Bacillus sp. HL and its performance in the dissolution of Microcystis aeruginosa. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2022; 320:115837. [PMID: 35933879 DOI: 10.1016/j.jenvman.2022.115837] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/14/2022] [Revised: 07/20/2022] [Accepted: 07/20/2022] [Indexed: 06/15/2023]
Abstract
Algicidal bacteria is considered as an efficient and environmentally friendly approach to suppress Microcystis aeruginosa (M. aeruginosa). However, algicidal bacteria in natural water is limited during the practical application due to the interference of external factors and the low reuse capability. In this study, a bio-degradation capsule for M. aeruginosa is prepared by bio-compatible sodium alginate (SA) compositing with eco-friendly ethyl cellulose (EC) to improve the property and reuse capability of algicidal bacteria. Bacterial strain HL was well immobilized and the capsule was obtained with 2% of SA, 3% of calcium chloride (CaCl2) and 3% of EC. It has been proved that capsules immobilizing bacteria HL shows considerable advantage over traditional bio-treatment systems (free-living bacteria) and good reusable performance. A better algicidal rate of 77.67% ± 1.14% at 7th day was obtained with the use of capsule embedding 50 mL of algicidal bacteria, enhanced by 11.05% comparing with same amount of free-living bacteria. Moreover, the algicidal rate of M. aeruginosa still reached 68.57% ± 2.88% after three times repetitive use. The effect of capsules on the fluorescence and antioxidant system of M. aeruginosa indicated that the photosystems were irreversibly damaged and the antioxidant response of superoxide dismutase (SOD), peroxidase (POD) and catalase (CAT) were significantly induced. Overall, capsules prepared in this study can provide a desirable environment for algicidal bacteria HL and ensure algicidal bacteria to in-situ work well in inhibiting booms of algae.
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Affiliation(s)
- Linqiang Mao
- School of Environmental and Safety Engineering, Changzhou University, Changzhou, Jiangsu Province, 213164, China.
| | - Jinjie Huang
- School of Environmental and Safety Engineering, Changzhou University, Changzhou, Jiangsu Province, 213164, China
| | - Hongyan Mao
- Shandong Vocational Animal Science and Veterinary College, Weifang, Shandong Province, 261061, China
| | - Mingchen Xu
- School of Environmental and Safety Engineering, Changzhou University, Changzhou, Jiangsu Province, 213164, China
| | - Wenyi Zhang
- School of Environmental and Safety Engineering, Changzhou University, Changzhou, Jiangsu Province, 213164, China.
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Zheng P, Li Y, Chi Q, Cheng Y, Jiang X, Chen D, Mu Y, Shen J. Structural characteristics and microbial function of biofilm in membrane-aerated biofilm reactor for the biodegradation of volatile pyridine. JOURNAL OF HAZARDOUS MATERIALS 2022; 437:129370. [PMID: 35728312 DOI: 10.1016/j.jhazmat.2022.129370] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/08/2022] [Revised: 05/26/2022] [Accepted: 06/09/2022] [Indexed: 06/15/2023]
Abstract
In order to avoid the serious air pollution caused by the volatilization of high recalcitrant pyridine, membrane-aerated biofilm reactor (MABR) with bubble-free aeration was used in this study, with the structural characteristics and microbial function of biofilm emphasized. The results showed that as high as 0.6 kg·m-3·d-1 pyridine could be completely removed in MABR. High pyridine loading thickened the biofilm, but without obvious detachment observed. The distinct stratification of microbes and extracellular polymeric substances were shaped by elevated pyridine load, enhancing the structural heterogeneity of biofilm. The increased tryptophan-like substances as well as α-helix and β-sheet proportion in proteins stabilized the biofilm structure against high influent loading. Based on the identified intermediates, possible pyridine biodegradation pathways were proposed. Multi-omics analyses revealed that the metabolic pathways with initial hydroxylation and reduction reaction was enhanced at high pyridine loading. The functional genes were mainly associated with Pseudomonas and Delftia, might responsible for pyridine biodegradation. The results shed light on the effective treatment of wastewater containing recalcitrant pollutants such as pyridine via MABR.
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Affiliation(s)
- Peng Zheng
- Jiangsu Key Laboratory of Chemical Pollution Control and Resources Reuse, School of Environmental and Biological Engineering, Nanjing University of Science and Technology, Nanjing 210094, China
| | - Yan Li
- Jiangsu Key Laboratory of Chemical Pollution Control and Resources Reuse, School of Environmental and Biological Engineering, Nanjing University of Science and Technology, Nanjing 210094, China.
| | - Qiang Chi
- Jiangsu Key Laboratory of Chemical Pollution Control and Resources Reuse, School of Environmental and Biological Engineering, Nanjing University of Science and Technology, Nanjing 210094, China
| | - Youpeng Cheng
- Jiangsu Key Laboratory of Chemical Pollution Control and Resources Reuse, School of Environmental and Biological Engineering, Nanjing University of Science and Technology, Nanjing 210094, China
| | - Xinbai Jiang
- Jiangsu Key Laboratory of Chemical Pollution Control and Resources Reuse, School of Environmental and Biological Engineering, Nanjing University of Science and Technology, Nanjing 210094, China
| | - Dan Chen
- Jiangsu Key Laboratory of Chemical Pollution Control and Resources Reuse, School of Environmental and Biological Engineering, Nanjing University of Science and Technology, Nanjing 210094, China
| | - Yang Mu
- CAS Key Laboratory of Urban Pollutant Conversion, Department of Applied Chemistry, University of Science and Technology of China, Hefei 230026, China
| | - Jinyou Shen
- Jiangsu Key Laboratory of Chemical Pollution Control and Resources Reuse, School of Environmental and Biological Engineering, Nanjing University of Science and Technology, Nanjing 210094, China.
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Chu Y, Zhang C, Chen X, Li X, Ren N, Ho SH. Multistage defense response of microalgae exposed to pharmaceuticals in wastewater. CHINESE CHEM LETT 2022. [DOI: 10.1016/j.cclet.2022.08.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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13
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A review on hollow fiber membrane module towards high separation efficiency: Process modeling in fouling perspective. CHINESE CHEM LETT 2022. [DOI: 10.1016/j.cclet.2021.10.044] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Guo Y, Guo Z, Zhang L, Yoshimura C, Ye Z, Yu P, Qian Y, Hatano Y, Wang J, Niu J. Photodegradation of propranolol in surface waters: An important role of carbonate radical and enhancing toxicity phenomenon. CHEMOSPHERE 2022; 297:134106. [PMID: 35227754 DOI: 10.1016/j.chemosphere.2022.134106] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/16/2021] [Revised: 02/10/2022] [Accepted: 02/23/2022] [Indexed: 06/14/2023]
Abstract
Antihypertensive propranolol (PRO) is frequently detected in surface waters and has adverse effects on aquatic organisms. In this study, its photochemical fate in surface water with the aspect of kinetics, products and toxicity were investigated employing steady-state photochemistry experiments and ecotoxicity tests. The results showed that photodegradation of PRO was enhanced in river water than that in phosphate buffer where dissolved organic matter (DOM), NO3-, and HCO3- played important roles. DOM accelerated the photodegradation mainly through generation of excited triplet-state DOM while NO3- played dual roles in the photodegradation. The reaction between excited triplet-state PRO and HCO3- can generate carbonate radical (CO3·-) to promote the photodegradation. The second-order reaction rate constant between PRO and CO3·- was determined to be (3.4 ± 0.8) × 108 M-1 s-1. Eight photodegradation products were identified in the studied river water sample. Finally, the toxicity evaluated by Vibrio fischeri increased after photodegradation and three photodegradation products were responsible for the increasing toxicity, which was concluded from the significant correlation between toxicity parameters and quantity of the photodegradation products.
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Affiliation(s)
- Yuchen Guo
- Research Center for Eco-environmental Engineering, Dongguan University of Technology, Dongguan, 523808, China
| | - Zhongyu Guo
- Department of Civil and Environmental Engineering, Tokyo Institute of Technology, Meguro-ku, Tokyo, 152-8552, Japan
| | - Lilan Zhang
- Key Laboratory of Three Gorges Reservoir Region's Eco-environment, Ministry of Education, Chongqing University, Chongqing, 400045, China
| | - Chihiro Yoshimura
- Department of Civil and Environmental Engineering, Tokyo Institute of Technology, Meguro-ku, Tokyo, 152-8552, Japan
| | - Zimi Ye
- Research Center for Eco-environmental Engineering, Dongguan University of Technology, Dongguan, 523808, China
| | - Pengfei Yu
- Key Laboratory of Three Gorges Reservoir Region's Eco-environment, Ministry of Education, Chongqing University, Chongqing, 400045, China
| | - Yao Qian
- Key Laboratory of Three Gorges Reservoir Region's Eco-environment, Ministry of Education, Chongqing University, Chongqing, 400045, China
| | - Yuta Hatano
- Department of Civil and Environmental Engineering, Tokyo Institute of Technology, Meguro-ku, Tokyo, 152-8552, Japan
| | - Jieqiong Wang
- Research Center for Eco-environmental Engineering, Dongguan University of Technology, Dongguan, 523808, China.
| | - Junfeng Niu
- School of Water Resources and Hydropower Engineering, North China Electric Power University, Beijing, 102206, China
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Zhou L, Yan X, Pei X, Du J, Ma R, Qian J. The role of NiFe2O4 nanoparticle in the anaerobic digestion (AD) of waste activated sludge (WAS). CHINESE CHEM LETT 2022. [DOI: 10.1016/j.cclet.2021.06.055] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Cui D, Wei N, Ling N, Zheng G, Sun Y, Chen Z, Zou X, Deng H, Li W. Effects of sulfamethoxazole on aerobic sludge granulation process. J Appl Microbiol 2021; 132:1091-1103. [PMID: 34453874 DOI: 10.1111/jam.15267] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2021] [Revised: 07/24/2021] [Accepted: 08/12/2021] [Indexed: 11/30/2022]
Abstract
AIMS Our purpose was to clarify the effect of sulfamethoxazole (SMX) on the start-up period, particle formation, and treatment efficiency of an aerobic granular sludge system. METHODS AND RESULTS We compared an R1 granular sequencing batch reactor (GSBR) started with 5 μg L-1 SMX and an R2 GSBR started without SMX, as a control, to investigate the impact of a trace amount of SMX (5 μg L-1 ) on aerobic granular sludge (AGS) characteristics and the removal of conventional contaminants. AGS granulation in the R1 system was not inhibited by SMX, but the granule particle size was smaller than that in the R2 system. Both systems had good performance removing conventional pollutants. Extracellular polymeric substance secretion in the R1 system was lower than that in the R2 system. After stabilizing reactor operations, the SMX removal efficiency in the R1 system (~73.93%) was higher than that in the R2 system (~70.66%). The start-up modes also determined the differences in the microbial community structure of the AGS systems. CONCLUSIONS SMX-activated AGS performed better than AGS without SMX. SIGNIFICANCE AND IMPACT OF STUDY The study can help engineers determine start-up modes with varieties of antibiotics in AGS processes and provide references for the optimization of water treatment processes.
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Affiliation(s)
- Di Cui
- Pharmaceutical Engineering Technology Research Center, Harbin University of Commerce, Harbin, People's Republic of China
| | - Nianpeng Wei
- Pharmaceutical Engineering Technology Research Center, Harbin University of Commerce, Harbin, People's Republic of China
| | - Na Ling
- Pharmaceutical Engineering Technology Research Center, Harbin University of Commerce, Harbin, People's Republic of China
| | - Guochen Zheng
- Songliao River Basin Water Resources Protection Bureau, Changchun, People's Republic of China
| | - Yuan Sun
- Pharmaceutical Engineering Technology Research Center, Harbin University of Commerce, Harbin, People's Republic of China
| | - Zeyi Chen
- Pharmaceutical Engineering Technology Research Center, Harbin University of Commerce, Harbin, People's Republic of China
| | - Xiang Zou
- Pharmaceutical Engineering Technology Research Center, Harbin University of Commerce, Harbin, People's Republic of China
| | - Hongna Deng
- Pharmaceutical Engineering Technology Research Center, Harbin University of Commerce, Harbin, People's Republic of China
| | - Wenlan Li
- Pharmaceutical Engineering Technology Research Center, Harbin University of Commerce, Harbin, People's Republic of China.,School of Pharmacy, Harbin University of Commerce, Harbin, People's Republic of China
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Wu Q, Li H, Hu X, Shi Y, Kong D, Zhang Y, Mai B, Zhao D, Fu J. Full-scale evaluation of reversed A2/O process for removal of multiple pollutants in sewage. CHINESE CHEM LETT 2020. [DOI: 10.1016/j.cclet.2020.06.029] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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