PERFORM Publications

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Title		Authors	PubMed ID
1	Study on the mechanism of regulating micromolar Fe utilization and promoting denitrification by guanosine monophosphate (GMP) based multi-signal functional material Hematin@Fe/GMP	Hao Y; Guo T; Li H; Liu W; Chen Z; Wang X; Guo J;	39657473 ENCS
2	Fe/GMP functional nanomaterial enhancing the denitrification efficiency by bi-signal regulation: Electron transfer and microbial community	Hao Y; Guo T; Li H; Liu W; Chen Z; Zhang W; Wang X; Guo J;	39326537 ENCS
3	The effect of step-feeding distribution ratio on high concentration perchlorate removal performance in ABR system with heterotrophic combined sulfur autotrophic process.	Li H, Li K, Guo J, Chen Z, Han Y, Song Y, Lu C, Hou Y, Zhang D, Zhang Y	33485237 ENCS
4	Enhanced denitrification performance and biocatalysis mechanisms of polyoxometalates as environmentally-friendly inorganic redox mediators.	Guo H, Chen Z, Guo J, Lu C, Song Y, Han Y, Li H, Hou Y	31344631 ENCS
5	BioMiCo: a supervised Bayesian model for inference of microbial community structure.	Shafiei M, Dunn KA, Boon E, MacDonald SM, Walsh DA, Gu H, Bielawski JP	25774293 BIOLOGY

Title:	Enhanced denitrification performance and biocatalysis mechanisms of polyoxometalates as environmentally-friendly inorganic redox mediators.
Authors:	Guo H, Chen Z, Guo J, Lu C, Song Y, Han Y, Li H, Hou Y
Link:	https://www.ncbi.nlm.nih.gov/pubmed/31344631?dopt=Abstract
DOI:	10.1016/j.biortech.2019.121816
Publication:	Bioresource technology
Keywords:	Denitrification; Electron transfer; Microbial community; Polyoxometalates; Redox mediators;
PMID:	31344631	Category:	Bioresour Technol	Date Added:	2019-08-07
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 Department of Building, Civil, and Environmental Engineering, Concordia University, 1455 de Maisonneuve Blvd. W, Montreal, Quebec, Canada. 3 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. 4 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: lucaicai2010@163.com.

Description:

Enhanced denitrification performance and biocatalysis mechanisms of polyoxometalates as environmentally-friendly inorganic redox mediators.

Bioresour Technol. 2019 Jul 16;291:121816

Authors: Guo H, Chen Z, Guo J, Lu C, Song Y, Han Y, Li H, Hou Y

Abstract

Polyoxometalates (POMs) used in chemical catalysis field were first explored their effect on the denitrification process. Experiments demonstrated that NO3--N reduction rate with 0.05?mM phosphomolybdic acid (PMo12) was approximately 3.93-fold higher than the PMo12-free system. Simultaneously, PMo12 also had positive effect on NO2--N reduction. Compared with the PMo12-free system, the solution resistance and oxidation-reduction potential were decreased, and the activation energy (Ea) was reduced by 51.84?kJ/mol. Besides, electron conductive substances in extracellular polymeric substances were stimulated by PMo12. NADH and riboflavin were enhanced to increase denitrification electron transport system activity. Higher microbial diversity and enrichment of Salmonella were observed in the PMo12-supplemented system. Based on the above analysis, the catalyzing mechanisms of PMo12 are proposed that PMo12 made it easier for electron transferring from electron donor to electron acceptor and shifted bacterial community structure. These findings may provide a promising strategy for nitrogen wastewater treatment.

PMID: 31344631 [PubMed - as supplied by publisher]

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