PERFORM Publications

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Title		Authors	PubMed ID
1	Protecting shorelines in Canadian Indigenous communities: Environmental challenges, policy interventions, and mitigation technologies	Iravani R; Biagi M; Laforest S; Lee K; Isaacman L; Chen Z; An C;	40554913 ENCS
2	Local residents' attitudes toward and contact with international students: a perspective from Montreal, Quebec	Tekin O; Trofimovich P;	39606194 EDUCATION
3	A game theoretic approach to contract-based enviro-economic coordination of wood pellet supply chains for bioenergy production	Vazifeh Z; Mafakheri F; An C; Bensebaa F;	38037615 ENCS
4	A Systematic Review on Vaccine Hesitancy in Black Communities in Canada: Critical Issues and Research Failures	Cénat JM; Noorishad PG; Bakombo SM; Onesi O; Mesbahi A; Darius WP; Caulley L; Yaya S; Chomienne MH; Etowa J; Venkatesh V; Dalexis RD; Pongou R; Labelle PR;	36423032 PSYCHOLOGY
5	Mediating Pain: Navigating Endometriosis on Social Media	Eileen Mary Holowka	35707051 CONCORDIA
6	Regional variation drives differences in microbial communities associated with sugar maple across a latitudinal range	De Bellis T; Laforest-Lapointe I; Solarik KA; Gravel D; Kembel SW;	35412652 BIOLOGY
7	Limited initial impacts of biomass harvesting on composition of wood-inhabiting fungi within residual stumps.	Boué C, DeBellis T, Venier LA, Work TT, Kembel SW	31844564 BIOLOGY
8	A biophysiological perspective on enhanced nitrate removal from decentralized domestic sewage using gravitational-flow multi-soil-layering systems.	Song P, Huang G, Hong Y, An C, Xin X, Zhang P	31542583 ENCS
9	A synthesis of ecological and evolutionary determinants of bat diversity across spatial scales.	Peixoto FP, Braga PHP, Mendes P	29890975 BIOLOGY

Title:	A biophysiological perspective on enhanced nitrate removal from decentralized domestic sewage using gravitational-flow multi-soil-layering systems.
Authors:	Song P, Huang G, Hong Y, An C, Xin X, Zhang P
Link:	https://www.ncbi.nlm.nih.gov/pubmed/31542583?dopt=Abstract
DOI:	10.1016/j.chemosphere.2019.124868
Publication:	Chemosphere
Keywords:	Interactive effect; Microbial communities; Multi-soil-layering (MSL) system; Nitrogen removal; Species diversity;
PMID:	31542583	Category:	Chemosphere	Date Added:	2019-09-23
Dept Affiliation:	ENCS 1 MOE Key Laboratory of Resources and Environmental Systems Optimization, North China Electric Power University, Beijing, 102206, China. 2 Center for Energy, Environment and Ecology Research, UR-BNU, Beijing Normal University, Beijing, 100875, China. Electronic address: huang@iseis.org. 3 Department of Building, Civil and Environmental Engineering, Concordia University, Montreal, Quebec, H3G 1M8, Canada. 4 Institute for Energy, Environment and Sustainable Communities, University of Regina, Regina, S4S 0A2, Canada.

Description:

A biophysiological perspective on enhanced nitrate removal from decentralized domestic sewage using gravitational-flow multi-soil-layering systems.

Chemosphere. 2019 Sep 14;240:124868

Authors: Song P, Huang G, Hong Y, An C, Xin X, Zhang P

Abstract

Multi-soil-layering (MSL) system with brick-wall pattern structure and gravitational flow can be used for decentralized rural domestic sewage treatment. The capability of soil for contaminant removal is maximized within soil mixture blocks (SMBs). However, the performance of removing nitrate was still not ideal during operation. To improve its performance in MSL system, the relationship between biophysiological characteristics of denitrifying species and operating conditions was studied. Microbial species diversity of activated sludge and soil samples were analyzed. The significant effects of independent factors and their interactions on microbial species diversity and denitrifying species abundance were revealed on the basis of factorial analysis. The results indicated activated sludge in SMBs played a key role in increasing the richness of denitrifying species in MSL system. Slow-release poly (butylene succinate) (PBS) had the most dominant positive effect on increasing denitrifying species abundance. Submersion had significantly positive effect on species richness in SMBs. These three factors, including activated sludge, PBS in SMBs, and submersion condition had different significant effects on microbial responses. They were favorable for denitrification and ensuring a better removal efficiency of nitrate and total nitrogen. The porous zeolites were served as the habitats for most of aerobic bacteria to form biofilms, which could promote the oxygen consumption in both sewage and system to improve denitrification in SMBs. The results could help on the enhancement of denitrification in MSL system from biophysiological insights. It can provide a sound strategy for using MSL system with great performance on contaminant removal.

PMID: 31542583 [PubMed - as supplied by publisher]

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