Abiotic reduction of chlorinated ethenes in the presence of anaerobic bacteria

Timothy S. Pasakarnis; Christopher A. Gorski; Edward O'Loughlin; Gene F. Parkin; Michelle M. Scherer

Abiotic reduction of chlorinated ethenes in the presence of anaerobic bacteria

Timothy S. Pasakarnis, Christopher A. Gorski, Edward O'Loughlin, Gene F. Parkin, Michelle M. Scherer

Research output: Contribution to journal › Conference article

Abstract

A study was conducted to explore whether reduced iron precipitates formed in the presence of dissimilatory iron reducing bacteria (DIRB) and sulfate reducing bacteria (SRB) can degrade perchloroethylene (PCE), trichloroethylene (TCE) and cis-dichloroethylene. The surface area, morphology, and reactivity of reduced iron precipitates formed in the presence and absence of anaerobic bacteria were compared. Pure cultures of Desulfovibrio desulfuricans and Shewanella putrefaciens CN32 were used as model SRB and DIRB, respectively. Chemically synthesized FeS reduced TCE to acetylene over about 1 mo. Little reduction of PCE or TCE was observed with chemically synthesized carbonate, sulfate, and chloride green rusts. This is an abstract of a paper presented at the 231st ACS National Meeting (Atlanta, GA 3/26-30/2006).

Original language	English (US)
Pages (from-to)	957-961
Number of pages	5
Journal	ACS, Division of Environmental Chemistry - Preprints of Extended Abstracts
Volume	46
Issue number	1
State	Published - 2006
Event	231st ACS National Meeting, 2006 - Atlanta, GA, United States Duration: Mar 26 2006 → Mar 30 2006

All Science Journal Classification (ASJC) codes

Energy(all)

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Pasakarnis, T. S., Gorski, C. A., O'Loughlin, E., Parkin, G. F., & Scherer, M. M. (2006). Abiotic reduction of chlorinated ethenes in the presence of anaerobic bacteria. ACS, Division of Environmental Chemistry - Preprints of Extended Abstracts, 46(1), 957-961.

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abstract = "A study was conducted to explore whether reduced iron precipitates formed in the presence of dissimilatory iron reducing bacteria (DIRB) and sulfate reducing bacteria (SRB) can degrade perchloroethylene (PCE), trichloroethylene (TCE) and cis-dichloroethylene. The surface area, morphology, and reactivity of reduced iron precipitates formed in the presence and absence of anaerobic bacteria were compared. Pure cultures of Desulfovibrio desulfuricans and Shewanella putrefaciens CN32 were used as model SRB and DIRB, respectively. Chemically synthesized FeS reduced TCE to acetylene over about 1 mo. Little reduction of PCE or TCE was observed with chemically synthesized carbonate, sulfate, and chloride green rusts. This is an abstract of a paper presented at the 231st ACS National Meeting (Atlanta, GA 3/26-30/2006).",

author = "Pasakarnis, {Timothy S.} and Gorski, {Christopher A.} and Edward O'Loughlin and Parkin, {Gene F.} and Scherer, {Michelle M.}",

year = "2006",

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journal = "ACS, Division of Environmental Chemistry - Preprints of Extended Abstracts",

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T1 - Abiotic reduction of chlorinated ethenes in the presence of anaerobic bacteria

AU - Pasakarnis, Timothy S.

AU - Gorski, Christopher A.

AU - O'Loughlin, Edward

AU - Parkin, Gene F.

AU - Scherer, Michelle M.

PY - 2006

Y1 - 2006

N2 - A study was conducted to explore whether reduced iron precipitates formed in the presence of dissimilatory iron reducing bacteria (DIRB) and sulfate reducing bacteria (SRB) can degrade perchloroethylene (PCE), trichloroethylene (TCE) and cis-dichloroethylene. The surface area, morphology, and reactivity of reduced iron precipitates formed in the presence and absence of anaerobic bacteria were compared. Pure cultures of Desulfovibrio desulfuricans and Shewanella putrefaciens CN32 were used as model SRB and DIRB, respectively. Chemically synthesized FeS reduced TCE to acetylene over about 1 mo. Little reduction of PCE or TCE was observed with chemically synthesized carbonate, sulfate, and chloride green rusts. This is an abstract of a paper presented at the 231st ACS National Meeting (Atlanta, GA 3/26-30/2006).

AB - A study was conducted to explore whether reduced iron precipitates formed in the presence of dissimilatory iron reducing bacteria (DIRB) and sulfate reducing bacteria (SRB) can degrade perchloroethylene (PCE), trichloroethylene (TCE) and cis-dichloroethylene. The surface area, morphology, and reactivity of reduced iron precipitates formed in the presence and absence of anaerobic bacteria were compared. Pure cultures of Desulfovibrio desulfuricans and Shewanella putrefaciens CN32 were used as model SRB and DIRB, respectively. Chemically synthesized FeS reduced TCE to acetylene over about 1 mo. Little reduction of PCE or TCE was observed with chemically synthesized carbonate, sulfate, and chloride green rusts. This is an abstract of a paper presented at the 231st ACS National Meeting (Atlanta, GA 3/26-30/2006).

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