A field comparison of two reductive dechlorination (zero-valent iron and lactate) methods

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F46747885%3A24220%2F11%3A%230001819" target="_blank" >RIV/46747885:24220/11:#0001819 - isvavai.cz</a>
Result on the web
<a href="http://www.tandfonline.com/loi/tent20" target="_blank" >http://www.tandfonline.com/loi/tent20</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1080/09593330.2011.592225" target="_blank" >10.1080/09593330.2011.592225</a>

Result language
angličtina
Original language name
A field comparison of two reductive dechlorination (zero-valent iron and lactate) methods
Original language description
Two parallel pilot experiments were performed at Kurivody (Czech Republic) in order to compare two reductive remedial technologies for chlorinated ethenes ? microbial dehalogenation assisted by lactate and chemical dehalogenation with zero-valent iron (nZVI) nanoparticles. The methods were applied at a site contaminated by tetrachlorethylene (PCE) and trichlorethylene (TCE), with total concentrations from 10 to 50 mg/l. Concentrations of chlorinated ethenes, inorganic components of interest, pH and oxidation reduction potential (ORP) were monitored at the site for a period up to 650 days. The method of biological reductive dechlorination supported by lactate showed a considerable removal of PCE and TCE, but temporary accumulation of transient reactionproduct 1,2-cis-dihloroethene. Reductive dechlorination with nZVI showed a significant reduction in the concentration of chlorinated ethenes without a formation of intermediate products. The development of pH showed only small changes due
Czech name
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Czech description
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Type
J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)
CEP classification
DJ - Pollution and water control
OECD FORD branch
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Project
<a href="/en/project/1M0554" target="_blank" >1M0554: Advanced Remedial Technologies and Processes</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year
2011
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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