Keyword search (4,164 papers available)

"Sulfide" Keyword-tagged Publications:

Title Authors PubMed ID
1 Comparative Advances in Sulfide and Halide Electrolytes for Commercialization of All-Solid-State Lithium Batteries Bouguern MD; Ningappa NG; Vishweswariah K; Kumar M R A; Kanno R; Zaghib K; 41017218
CONCORDIA
2 The Effect of Linker-to-Metal Energy Transfer on the Photooxidation Performance of an Isostructural Series of Pyrene-Based Rare-Earth Metal-Organic Frameworks Quezada-Novoa V; Titi HM; Villanueva FY; Wilson MWB; Howarth AJ; 37116124
CHEMBIOCHEM
3 Preparation of a Convertible Spacer Containing a Disulfide Group for Versatile Functionalization of Oligonucleotides Pontarelli A; Liu JT; Oh JK; Wilds CJ; 36840706
CHEMBIOCHEM
4 Te(IV) bioreduction in the sulfur autotrophic reactor: Performance, kinetics and synergistic mechanism He Y; Guo J; Song Y; Chen Z; Lu C; Han Y; Li H; Hou Y; 35228038
ENCS
5 Reduction-Responsive Sheddable Carbon Nanotubes Dispersed in Aqueous Solution. An SY, Sun S, Oh JK 26890479
CNSR

 

Title:Te(IV) bioreduction in the sulfur autotrophic reactor: Performance, kinetics and synergistic mechanism
Authors:He YGuo JSong YChen ZLu CHan YLi HHou Y
Link:https://pubmed.ncbi.nlm.nih.gov/35228038/
DOI:10.1016/j.watres.2022.118216
Publication:Water research
Keywords:Electron transferExtracellular polymeric substancesSulfideSulfide: quinone oxidoreductaseSulfur autotrophicTellurite bioreduction
PMID:35228038 Category: Date Added:2022-03-01
Dept Affiliation: ENCS
1 School of Environmental and Municipal Engineering, Tianjin Key Laboratory of Aquatic Science and Technology, Tianjin Chengjian University, Jinjing Road 26, Tianjin 300384, China.
2 School of Civil Engineering and Architecture, Taizhou University, Taizhou 318000, Zhejiang, China; School of Environmental and Municipal Engineering, Tianjin Key Laboratory of Aquatic Science and Technology, Tianjin Chengjian University, Jinjing Road 26, Tianjin 300384, China. Electronic address: jianbguo@163.com.
3 Department of Building, Civil, and Environmental Engineering, Concordia University, 1455 de Maisonneuve Blvd. W. Montreal, Quebec, Canada.

Description:

A laboratory-scale sulfur autotrophic reactor (SAR) was first constructed for treating tellurite [Te(IV)] wastewater. The SAR had excellent Te(IV) bioreduction efficiency (90-96%) at 5-30 mg/L and conformed to the First-order kinetic model. The Te(IV) bioreduction was elaborated deeply from extracellular polymeric substances (EPS) functions, microbial metabolic activity, key enzyme activity, microbial community succession and quorum sensing. Te(IV) stimulated the increase of redox substances in EPS and the improved cell membrane permeability led to the increase of electron transport system activity. Catalase and reduced nicotinamide adenine dinucleotide (NADH) alleviated the oxidative stress caused by Te(IV) toxicity to maintain metabolic activity. The increase of sulfur dioxygenase activity (SDO) suggested that more ATP produced by sulfur oxidation might provide energy for various physiological activities. Meanwhile, nitrate reductase (NAR), nitrite reductase (NIR) and sulfide: quinone oxidoreductase (SQR) played an active role in sulfur oxidation and Te(IV) bioreduction. Combined with the above results and dynamic succession of three functional microbial communities, a synergistic mechanism was proposed to explain the excellent performance of SAR. This work provided a promising strategy for Te(IV) wastewater treatment process and Te(IV) bioreduction mechanism.





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