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Enhanced bioremediation of heavy metal from effluent by sulfate-reducing bacteria with copper-iron bimetallic particles support.

Abstract：

:The purpose of this study was to investigate the potential of copper-iron bimetallic particles supported sulfate-reducing bacteria (SRB) in enhancing the reduction of Cu(2+) and Zn(2+) in effluent. The results showed that the copper-iron bimetallic particles can enhance Cu(2+) and Zn(2+) removal and the resistance of the sulfate-reducing bacteria towards metals toxicity, the inhibiting concentration of Cu(2+) and Zn(2+) for SRB was significantly increased (from 100 to 200 mg/L for Cu(2+) and 300 to 400 mg/L for Zn(2+)). The removal efficiencies of Cu(2+) and Zn(2+) (initial concentration 100 mg/L) were 98.17% and 99.67% in SRB-Cu/Fe system after 48 h, while only 29.83% Cu(2+), 90.88% Zn(2+) and 63.81% Cu(2+), 72.63% Zn(2+) were removed in the SRB and Cu/Fe system at the same condition.

journal_name

Bioresour Technol

journal_title

Bioresource technology

authors

Zhou Q,Chen Y,Yang M,Li W,Deng L

doi

10.1016/j.biortech.2013.03.047

subject

Has Abstract

pub_date

2013-05-01 00:00:00

pages

413-7

eissn

0960-8524

issn

1873-2976

pii

S0960-8524(13)00415-X

journal_volume

136

pub_type

杂志文章

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