Document Detail


Effects of high CO(2) concentrations on ecophysiologically different microorganisms.
MedLine Citation:
PMID:  22683477     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
We investigated the effect of increasing CO(2) concentrations on the growth and viability of ecophysiologically different microorganisms to obtain information for a leakage scenario of CO(2) into shallow aquifers related to the capture and storage of CO(2) in deep geological sections. CO(2) concentrations in the gas phase varied between atmospheric conditions and 80% CO(2) for the aerobic strains Pseudomonas putida F1 and Bacillus subtilis 168 and up to 100% CO(2) for the anaerobic strains Thauera aromatica K172 and Desulfovibrio vulgaris Hildenborough. Increased CO(2) concentrations caused prolonged lag-phases, and reduced growth rates and cell yields; the extent of this effect was proportional to the CO(2) concentration. Additional experiments with increasing CO(2) concentrations and increasing pressure (1-5000 kPa) simulated situations occurring in deep CO(2) storage sites. Living cell numbers decreased significantly within 24 h at pressures ≥1000 kPa, demonstrating a severe lethal effect for the combination of high pressure and CO(2).
Authors:
Alexandra Schulz; Carsten Vogt; Hans-Hermann Richnow
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-6-6
Journal Detail:
Title:  Environmental pollution (Barking, Essex : 1987)     Volume:  169C     ISSN:  1873-6424     ISO Abbreviation:  -     Publication Date:  2012 Jun 
Date Detail:
Created Date:  2012-6-11     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8804476     Medline TA:  Environ Pollut     Country:  -    
Other Details:
Languages:  ENG     Pagination:  27-34     Citation Subset:  -    
Copyright Information:
Copyright © 2012 Elsevier Ltd. All rights reserved.
Affiliation:
Department of Isotope Biogeochemistry, UFZ - Helmholtz Centre for Environmental Research, Permoserstraβe 15, 04318 Leipzig, Germany.
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