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Li Q, Tang Z, Ou Yang D, Zhang J, Chen J, Chen D. Abatement of binary gaseous chlorinated VOC by biotrickling filter: Performance, interactions, and microbial community. CHEMOSPHERE 2023; 313:137542. [PMID: 36529174 DOI: 10.1016/j.chemosphere.2022.137542] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/25/2022] [Revised: 11/21/2022] [Accepted: 12/11/2022] [Indexed: 06/17/2023]
Abstract
The treatment of waste-gas containing chlorinated volatile organic compounds (CVOCs) has become a difficult issue in current air pollution control. Biotrickling filters (BTFs) have been recognized to be applicable for the treatment of CVOCs, but research on the biodegradation of binary gaseous CVOCs is rare. Herein, a BTF inoculated with Methylobacterium (M.) rhodesianum H13, Starkeya sp. T-2 and activated sludge was established to investigate the biodegradation of the gaseous dichloromethane (DCM) and 1,2-dichloroethane (1,2-DCE) and their interactions implicated. The bioaugmented BTF showed a faster startup (13 days), better removal efficiencies of DCM (80%) and 1,2-DCE (72%), and superior mineralization (65.9%) than that inoculated with activated sludge alone. The ECs of DCM and 1,2-DCE were positively related with the inlet load when the total inlet load was <50 g m-3 h-1. However, inlet loads higher than 50 g m-3 h-1 led to dramatic drop of the RE of DCM and 1,2-DCE due to the limitation of the degradation capacity of microorganisms and the toxic effect of high-concentration substrates. Besides, BTF could stand a lower shock load of 400 mg m-3, while higher shock loads would deteriorate the RE of DCM and 1,2-DCE. And BTF showed better impact resistance toward DCM than 1,2-DCE, probably because the 1,2-DCE biodegrading bacteria was more sensitive to the concentration change. For the same reason, the removal recovery of DCM after starvation was quicker than 1,2-DCE. Kinetic interactions were quantified by the EC-SKIP model, results of which revealed that DCM cast negative effect on 1,2-DCE biodegradation, while 1,2-DCE could promote DCM biodegradation. Moreover, both the results of real-time PCR and high-throughput sequencing showed M. rhodesianum H13 had stronger competitiveness and adaptability than Starkeya sp. T-2. The survived M. rhodesianum H13 and Starkeya sp. T-2 after starvation robustly demonstrated the success of bioaugmentation as well as its great potential of engineering application.
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Affiliation(s)
- Qian Li
- College of Petrochemical and Environment, Zhejiang Ocean University, Zhoushan, 316022, China; Zhejiang Provincial Key Laboratory of Petrochemical Pollution Control, Zhejiang Ocean University, Zhoushan, 316022, China; National-Local Joint Engineering Laboratory of Harbor Oil & Gas Storage and Transportation Technology, Zhejiang Ocean University, Zhoushan, 316022, China
| | - Zeqin Tang
- College of Environment, Zhejiang University of Technology, Hangzhou, 310014, China
| | - Dujuan Ou Yang
- College of Environment, Zhejiang University of Technology, Hangzhou, 310014, China
| | - Jiahui Zhang
- College of Petrochemical and Environment, Zhejiang Ocean University, Zhoushan, 316022, China; Zhejiang Provincial Key Laboratory of Petrochemical Pollution Control, Zhejiang Ocean University, Zhoushan, 316022, China; National-Local Joint Engineering Laboratory of Harbor Oil & Gas Storage and Transportation Technology, Zhejiang Ocean University, Zhoushan, 316022, China
| | - Jianmeng Chen
- College of Petrochemical and Environment, Zhejiang Ocean University, Zhoushan, 316022, China; Zhejiang Provincial Key Laboratory of Petrochemical Pollution Control, Zhejiang Ocean University, Zhoushan, 316022, China; National-Local Joint Engineering Laboratory of Harbor Oil & Gas Storage and Transportation Technology, Zhejiang Ocean University, Zhoushan, 316022, China
| | - Dongzhi Chen
- College of Petrochemical and Environment, Zhejiang Ocean University, Zhoushan, 316022, China; Zhejiang Provincial Key Laboratory of Petrochemical Pollution Control, Zhejiang Ocean University, Zhoushan, 316022, China; National-Local Joint Engineering Laboratory of Harbor Oil & Gas Storage and Transportation Technology, Zhejiang Ocean University, Zhoushan, 316022, China.
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Yang N, Wang C, Han MF. Gel-encapsulated microorganisms used as a strategy to rapidly recover biofilters after starvation interruption. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2020; 261:110237. [PMID: 32148307 DOI: 10.1016/j.jenvman.2020.110237] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/02/2019] [Revised: 12/01/2019] [Accepted: 02/02/2020] [Indexed: 06/10/2023]
Abstract
Biosystems used for volatile organic compound (VOC) control have slow re-acclimation after extended starvation. In this study, a gel-encapsuled microorganism biofilter (GEBF) for the treatment of VOCs was used for rapid recovery after starvation interruption. Another conventional perlite biofilter (BF) was used as a control. Results showed that GEBF and BF needed 3 and 6 days for fully recovery after short-term (6 days) starvation. For long-term (20 days) starvation, GEBF fully recovered the removal performance after 9 days, whereas BF recovered only 70% within the same period. Flow cytometry analysis indicated that GEBF presented better viability state of microbial population than that in BF under starvation. The average metabolic activity of microorganisms in GEBF remained a relatively high during and after starvation (0.0049 h-1). However, the average metabolic activity of microorganisms in BF decreased from 0.0042 h-1 before starvation to 0.0033 h-1 under starvation. Changes in the microbial community structure in GEBF and BF were investigated and compared by high-throughput sequencing and principal component analysis. Notably, the microbial community structure in the two biofilters showed different behavior. All these results demonstrated that the gel encapsulation of microorganisms is a promising strategy to resist starvation in biofiltration technologies.
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Affiliation(s)
- Nanyang Yang
- School of Environmental Science and Engineering, Tianjin University, Tianjin, 300072, China; Tianjin Key Lab of Indoor Air Environmental Quality Control, China.
| | - Can Wang
- School of Environmental Science and Engineering, Tianjin University, Tianjin, 300072, China; Tianjin Key Lab of Indoor Air Environmental Quality Control, China.
| | - Meng-Fei Han
- School of Environmental Science and Engineering, Tianjin University, Tianjin, 300072, China; Tianjin Key Lab of Indoor Air Environmental Quality Control, China.
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Watsuntorn W, Ruangchainikom C, Rene ER, Lens PNL, Chulalaksananukul W. Comparison of sulphide and nitrate removal from synthetic wastewater by pure and mixed cultures of nitrate-reducing, sulphide-oxidizing bacteria. BIORESOURCE TECHNOLOGY 2019; 272:40-47. [PMID: 30308406 DOI: 10.1016/j.biortech.2018.09.125] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/10/2018] [Revised: 09/23/2018] [Accepted: 09/25/2018] [Indexed: 06/08/2023]
Abstract
In this study, the activities of hydrogen sulphide (H2S) oxidation and nitrate (N-NO3-) reduction by three pure and mixed strains of nitrate-reducing, sulphide oxidizing bacteria (NR-SOB) were determined. Batch experiments were performed at 35 °C and pH 7.0-8.0 with initial H2S concentrations of 650-900 ppmv and N-NO3- concentrations of ∼120 mg/L. The strains MAL 1HM19, TPN 1HM1 and TPN 3HM1 were capable of removing 100% gas-phase H2S. The co-cultures showed better performance for H2S and N-NO3- removal. The mixed NR-SOB strains showed a higher H2S oxidation rate (143 ± 18 ppmv/h), while the highest N-NO3- removal rate (5.5 ± 0 and 5.1 ± 0.6 N-NO3- mg/L·h) was obtained by a mixture of two NR-SOB strains. The 16S rDNA sequence analysis revealed that all strains belonged to the sub-class Alphaproteobacteria and are closely related to Paracoccus sp. (>99%).
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Affiliation(s)
- Wannapawn Watsuntorn
- Program in Biotechnology, Faculty of Science, Chulalongkorn University, Bangkok 10330, Thailand
| | | | - Eldon R Rene
- UNESCO-IHE Institute for Water Education, P. O. Box 3015, 2601 DA Delft, The Netherlands
| | - Piet N L Lens
- UNESCO-IHE Institute for Water Education, P. O. Box 3015, 2601 DA Delft, The Netherlands
| | - Warawut Chulalaksananukul
- Biofuels by Biocatalysts Research Unit, Faculty of Science, Chulalongkorn University, Bangkok 10330, Thailand; Department of Botany, Faculty of Science, Chulalongkorn University, Bangkok 10330, Thailand.
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Different strategies for transient-state operation of a biotrickling filter treating toluene vapor. Appl Microbiol Biotechnol 2017; 101:3451-3462. [DOI: 10.1007/s00253-016-8075-6] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2016] [Revised: 12/15/2016] [Accepted: 12/17/2016] [Indexed: 01/06/2023]
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Chen Y, Wang X, He S, Zhu S, Shen S. The performance of a two-layer biotrickling filter filled with new mixed packing materials for the removal of H2S from air. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2016; 165:11-16. [PMID: 26397031 DOI: 10.1016/j.jenvman.2015.09.008] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/24/2015] [Revised: 09/02/2015] [Accepted: 09/05/2015] [Indexed: 06/05/2023]
Abstract
In the work described here, a two-layer biotrickling filter filled with new packing materials was used to remove H2S from air. The upper layer of the filter was packed with activated carbon-loaded polyurethane, whereas the lower layer was filled with modified organism-suspended fillers. The effects of inlet load, empty bed residence time (EBRT) from 79 s to 53 s, pH and contaminant starvation time were investigated. For loads of 15-50 g/(m(3) h), the average removal efficiency (RE) was higher than 96% under a consistent supply of pollutants. The critical elimination capacity was 39.95 g/(m(3) h) for an EBRT of 53 s with an RE of 99.9%. The two-layer BTF was capable of withstanding contaminant starvation periods for 1.5 d and 7 d with only a few hours of recovery time. The biodegradation kinetics was studied using Michaelis-Menten type equations under different EBRTs. At an EBRT of 66 s, the optimal kinetic constants rmax and Km were 333.3 g/(m(3) h) and 0.93 g/m(3), respectively. During the operation, the two-layer BTF performed well under various reasonable conditions.
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Affiliation(s)
- Yingwen Chen
- The National Engineering Research Center for Biotechnology, College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, Nanjing 210009, China.
| | - Xiaojun Wang
- The National Engineering Research Center for Biotechnology, College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, Nanjing 210009, China
| | - Shuo He
- The National Engineering Research Center for Biotechnology, College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, Nanjing 210009, China
| | - Shemin Zhu
- College of Material Science and Engineering, Nanjing Tech University, Nanjing 210009, China
| | - Shubao Shen
- The National Engineering Research Center for Biotechnology, College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, Nanjing 210009, China
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Removal of Ethanethiol Gas by Iron Oxide Porous Ceramsite Biotrickling Filter. J CHEM-NY 2015. [DOI: 10.1155/2015/414237] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
The performance of ethanethiol removal in biotrickling filter was investigated by microorganisms fixed on iron oxide-based porous ceramsite (IPC) under different operating parameters conditions. Ethanethiol removal efficiency was examined as a function of inlet concentration, empty bed residence time (EBRT), and spray density of nutrient solution. The results showed that the optimized operation conditions and operation characteristics of biotrickling filter for this study were at the inlet concentration of less than 250 mg·m−3, the spray density of 0.24 m3·m−2 h−1, and the EBRT of 68.7 s. The variation of the EBRT of about 100 s and the spray density of about 0.24 m3·m−2 h−1did not change the ethanethiol removal efficiencies at certain ethanethiol concentrations of less than about 300 mg/m3, respectively. The main metabolic product was sulfate such asSO42-under continuous long-running regime in filter. The ethanethiol desulfurization process better meets the Michaelis-Menien model with calculated kinetic degradation parametersKs=7.96 mg·m−3andVm=221.73 g·m−3 h−1.
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Montebello AM, Mora M, López LR, Bezerra T, Gamisans X, Lafuente J, Baeza M, Gabriel D. Aerobic desulfurization of biogas by acidic biotrickling filtration in a randomly packed reactor. JOURNAL OF HAZARDOUS MATERIALS 2014; 280:200-208. [PMID: 25151242 DOI: 10.1016/j.jhazmat.2014.07.075] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/11/2014] [Revised: 07/16/2014] [Accepted: 07/28/2014] [Indexed: 06/03/2023]
Abstract
Biotrickling filters for biogas desulfurization still must prove their stability and robustness in the long run under extreme conditions. Long-term desulfurization of high loads of H2S under acidic pH was studied in a lab-scale aerobic biotrickling filter packed with metallic Pall rings. Reference operating conditions at steady-state corresponded to an empty bed residence time (EBRT) of 130s, H2S loading rate of 52gS-H2Sm(-3)h(-1) and pH 2.50-2.75. The EBRT reduction showed that the critical EBRT was 75s and the maximum EC 100gS-H2Sm(-3)h(-1). Stepwise increases of the inlet H2S concentration up to 10,000 ppmv lead to a maximum EC of 220gS-H2Sm(-3)h(-1). The H2S removal profile along the filter bed indicated that the first third of the filter bed was responsible for 70-80% of the total H2S removal. The oxidation rate of solid sulfur accumulated inside the bioreactor during periodical H2S starvation episodes was verified under acidic operating conditions. The performance under acidic pH was comparable to that under neutral pH in terms of H2S removal capacity. However, bioleaching of the metallic packing used as support and chemical precipitation of sulfide/sulfur salts occurred.
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Affiliation(s)
- Andrea M Montebello
- Department of Chemical Engineering, School of Engineering, Universitat Autònoma de Barcelona, 08193 Bellaterra, Barcelona, Spain
| | - Mabel Mora
- Department of Chemical Engineering, School of Engineering, Universitat Autònoma de Barcelona, 08193 Bellaterra, Barcelona, Spain
| | - Luis R López
- Department of Chemical Engineering, School of Engineering, Universitat Autònoma de Barcelona, 08193 Bellaterra, Barcelona, Spain
| | - Tercia Bezerra
- Department of Chemical Engineering, School of Engineering, Universitat Autònoma de Barcelona, 08193 Bellaterra, Barcelona, Spain
| | - Xavier Gamisans
- Department of Mining Engineering and Natural Resources, Universitat Politècnica de Catalunya, Bases de Manresa 61-73, 08240 Manresa, Spain
| | - Javier Lafuente
- Department of Chemical Engineering, School of Engineering, Universitat Autònoma de Barcelona, 08193 Bellaterra, Barcelona, Spain
| | - Mireia Baeza
- Department of Chemistry, Universitat Autònoma de Barcelona, 08193 Bellaterra, Barcelona, Spain
| | - David Gabriel
- Department of Chemical Engineering, School of Engineering, Universitat Autònoma de Barcelona, 08193 Bellaterra, Barcelona, Spain.
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