Tags

Type your tag names separated by a space and hit enter

Enhancement of synchronous bio-reductions of vanadium (V) and chromium (VI) by mixed anaerobic culture.
Environ Pollut. 2018 Nov; 242(Pt A):249-256.EP

Abstract

The co-occurrence of toxic vanadium (V) and chromium (VI) in groundwater receives incremental attention while knowledge on their interactions in biogeochemical processes is limited, with lack of efficient removal means. This study is the first to realize synchronous bio-reductions of V(V) and Cr(VI) with high efficiency by mixed anaerobic culture. After 72-h operation, 97.0 ± 1.0% of V(V) and 99.1 ± 0.7% of Cr(VI) were removed, respectively, with initial concentration of 1 mM for both V(V) and Cr(VI). Cr(VI) bio-reduction took priority while V(V) detoxification was inhibited. V(IV) and Cr(III) were the identified reduction products, both of which could precipitate naturally. Initial Cr(VI) and acetate concentrations as well as pH affected this process significantly. High-throughput 16S rRNA gene sequencing analysis indicated the accumulation of Anaerolineaceae, Spirochaeta and Spirochaetaceae, which could contribute to V(V) and Cr(VI) bio-reductions. The new knowledge obtained in this study will facilitate understanding the biogeochemical fate of co-existing V(V) and Cr(VI) in groundwater and development of bioremediation strategy for their induced combined pollution.

Authors+Show Affiliations

School of Water Resources and Environment, MOE Key Laboratory of Groundwater Circulation and Environmental Evolution, China University of Geosciences (Beijing), Beijing 100083, PR China.School of Water Resources and Environment, MOE Key Laboratory of Groundwater Circulation and Environmental Evolution, China University of Geosciences (Beijing), Beijing 100083, PR China. Electronic address: zbgcugb@gmail.com.Department of Aquatic Microbiology, Institute for Biodiversity and Ecosystem Dynamics, University of Amsterdam, 1090 GE, Amsterdam, the Netherlands.School of Water Resources and Environment, MOE Key Laboratory of Groundwater Circulation and Environmental Evolution, China University of Geosciences (Beijing), Beijing 100083, PR China.School of Water Resources and Environment, MOE Key Laboratory of Groundwater Circulation and Environmental Evolution, China University of Geosciences (Beijing), Beijing 100083, PR China.School of Water Resources and Environment, MOE Key Laboratory of Groundwater Circulation and Environmental Evolution, China University of Geosciences (Beijing), Beijing 100083, PR China.School of Water Resources and Environment, MOE Key Laboratory of Groundwater Circulation and Environmental Evolution, China University of Geosciences (Beijing), Beijing 100083, PR China.

Pub Type(s)

Journal Article

Language

eng

PubMed ID

29990932

Citation

Wang, Song, et al. "Enhancement of Synchronous Bio-reductions of Vanadium (V) and Chromium (VI) By Mixed Anaerobic Culture." Environmental Pollution (Barking, Essex : 1987), vol. 242, no. Pt A, 2018, pp. 249-256.
Wang S, Zhang B, Diao M, et al. Enhancement of synchronous bio-reductions of vanadium (V) and chromium (VI) by mixed anaerobic culture. Environ Pollut. 2018;242(Pt A):249-256.
Wang, S., Zhang, B., Diao, M., Shi, J., Jiang, Y., Cheng, Y., & Liu, H. (2018). Enhancement of synchronous bio-reductions of vanadium (V) and chromium (VI) by mixed anaerobic culture. Environmental Pollution (Barking, Essex : 1987), 242(Pt A), 249-256. https://doi.org/10.1016/j.envpol.2018.06.080
Wang S, et al. Enhancement of Synchronous Bio-reductions of Vanadium (V) and Chromium (VI) By Mixed Anaerobic Culture. Environ Pollut. 2018;242(Pt A):249-256. PubMed PMID: 29990932.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Enhancement of synchronous bio-reductions of vanadium (V) and chromium (VI) by mixed anaerobic culture. AU - Wang,Song, AU - Zhang,Baogang, AU - Diao,Muhe, AU - Shi,Jiaxin, AU - Jiang,Yufeng, AU - Cheng,Yutong, AU - Liu,Hui, Y1 - 2018/06/29/ PY - 2018/04/08/received PY - 2018/06/06/revised PY - 2018/06/23/accepted PY - 2018/7/11/pubmed PY - 2018/10/20/medline PY - 2018/7/11/entrez KW - Biogeochemical process KW - Chromium (VI) KW - Combined pollution KW - Microbial reduction KW - Vanadium (V) SP - 249 EP - 256 JF - Environmental pollution (Barking, Essex : 1987) JO - Environ. Pollut. VL - 242 IS - Pt A N2 - The co-occurrence of toxic vanadium (V) and chromium (VI) in groundwater receives incremental attention while knowledge on their interactions in biogeochemical processes is limited, with lack of efficient removal means. This study is the first to realize synchronous bio-reductions of V(V) and Cr(VI) with high efficiency by mixed anaerobic culture. After 72-h operation, 97.0 ± 1.0% of V(V) and 99.1 ± 0.7% of Cr(VI) were removed, respectively, with initial concentration of 1 mM for both V(V) and Cr(VI). Cr(VI) bio-reduction took priority while V(V) detoxification was inhibited. V(IV) and Cr(III) were the identified reduction products, both of which could precipitate naturally. Initial Cr(VI) and acetate concentrations as well as pH affected this process significantly. High-throughput 16S rRNA gene sequencing analysis indicated the accumulation of Anaerolineaceae, Spirochaeta and Spirochaetaceae, which could contribute to V(V) and Cr(VI) bio-reductions. The new knowledge obtained in this study will facilitate understanding the biogeochemical fate of co-existing V(V) and Cr(VI) in groundwater and development of bioremediation strategy for their induced combined pollution. SN - 1873-6424 UR - https://www.unboundmedicine.com/medline/citation/29990932/Enhancement_of_synchronous_bio-reductions_of_vanadium_(V)_and_chromium_(VI)_by_mixed_anaerobic_culture L2 - https://linkinghub.elsevier.com/retrieve/pii/S0269-7491(18)31545-8 DB - PRIME DP - Unbound Medicine ER -