Precipitation of Cu-sulfides by copper-tolerant Desulfovibrio isolates

Olia V. Karnachuk; Keiko Sasaki; Anna L. Gerasimchuk; Olga Sukhanova; Denis A. Ivasenko; Anna H. Kaksonen; Jaakko A. Puhakka; Olli H. Tuovinen

doi:10.1080/01490450802153124

Precipitation of Cu-sulfides by copper-tolerant Desulfovibrio isolates

Olia V. Karnachuk, Keiko Sasaki, Anna L. Gerasimchuk, Olga Sukhanova, Denis A. Ivasenko, Anna H. Kaksonen, Jaakko A. Puhakka, Olli H. Tuovinen

Earth Resources Engineering

Research output: Contribution to journal › Article › peer-review

20 Citations (Scopus)

Abstract

The purpose of this work was to isolate Cu-tolerant sulfate-reducers that could be used to produce copper sulfides under pure culture conditions. Three sulfate-reducing bacteria were isolated from wastewater effluents of a zinc-smelter in the Urals and their tolerance to copper varied between 325 and 2600 mg Cu l^-1. Analysis of 16S rRNA gene sequences placed the isolates in the genus Desulfovibrio. The isolates showed pronounced saccharolytic growth. Growing cultures precipitated Cu²⁺ as covellite (CuS) within less than a week. Extended incubation for 1 month lead to the formation of chalcocite (Cu₂S) and chalcopyrite (CuFeS₂).

Original language	English
Pages (from-to)	219-227
Number of pages	9
Journal	Geomicrobiology Journal
Volume	25
Issue number	5
DOIs	https://doi.org/10.1080/01490450802153124
Publication status	Published - Jul 1 2008

All Science Journal Classification (ASJC) codes

Microbiology
Environmental Chemistry
Environmental Science(all)
Earth and Planetary Sciences (miscellaneous)

Access to Document

10.1080/01490450802153124

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title = "Precipitation of Cu-sulfides by copper-tolerant Desulfovibrio isolates",

abstract = "The purpose of this work was to isolate Cu-tolerant sulfate-reducers that could be used to produce copper sulfides under pure culture conditions. Three sulfate-reducing bacteria were isolated from wastewater effluents of a zinc-smelter in the Urals and their tolerance to copper varied between 325 and 2600 mg Cu l-1. Analysis of 16S rRNA gene sequences placed the isolates in the genus Desulfovibrio. The isolates showed pronounced saccharolytic growth. Growing cultures precipitated Cu2+ as covellite (CuS) within less than a week. Extended incubation for 1 month lead to the formation of chalcocite (Cu2S) and chalcopyrite (CuFeS2).",

author = "Karnachuk, {Olia V.} and Keiko Sasaki and Gerasimchuk, {Anna L.} and Olga Sukhanova and Ivasenko, {Denis A.} and Kaksonen, {Anna H.} and Puhakka, {Jaakko A.} and Tuovinen, {Olli H.}",

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T1 - Precipitation of Cu-sulfides by copper-tolerant Desulfovibrio isolates

AU - Karnachuk, Olia V.

AU - Sasaki, Keiko

AU - Gerasimchuk, Anna L.

AU - Sukhanova, Olga

AU - Ivasenko, Denis A.

AU - Kaksonen, Anna H.

AU - Puhakka, Jaakko A.

AU - Tuovinen, Olli H.

PY - 2008/7/1

Y1 - 2008/7/1

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AB - The purpose of this work was to isolate Cu-tolerant sulfate-reducers that could be used to produce copper sulfides under pure culture conditions. Three sulfate-reducing bacteria were isolated from wastewater effluents of a zinc-smelter in the Urals and their tolerance to copper varied between 325 and 2600 mg Cu l-1. Analysis of 16S rRNA gene sequences placed the isolates in the genus Desulfovibrio. The isolates showed pronounced saccharolytic growth. Growing cultures precipitated Cu2+ as covellite (CuS) within less than a week. Extended incubation for 1 month lead to the formation of chalcocite (Cu2S) and chalcopyrite (CuFeS2).

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