| Dechlorination of polychlorinated biphenyls using magnesium and acidified alcohols. | |
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MedLine Citation:
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PMID: 21296492 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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Polychlorinated biphenyls (PCBs) were widely used in industry until their regulation in the 1970s. However, due to their inherent stability, they are still a widespread environmental contaminant. A novel method of degradation of PCBs (via hydrodehalogenation) has been observed using magnesium powder, a carboxylic acid, and alcohol solvents and is described in this paper. The rates of degradation were determined while varying the type of acid (formic, acetic, propionic, butyric, valeric, benzoic, ascorbic, and phosphoric), the amount of magnesium from 0.05 to 0.25g, the amount of acetic acid from 0.5 to 50μL and the concentration of PCB-151 from 0.1 to 50μg/mL, as well as the alcohol solvent (methanol, ethanol, propanol, butanol, octanol, and decanol). The results of these studies indicate that the most rapid PCB dechlorination is achieved using a matrix consisting of at least 0.02gMg/mL ethanol, and 10μL acetic acid/mL ethanol in which case 50ng/μL of PCB-151 is dechlorinated in approximately 40min. |
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Authors:
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Phillip Maloney; Robert Devor; Simone Novaes-Card; Erin Saitta; Jacqueline Quinn; Christian A Clausen; Cherie L Geiger |
Publication Detail:
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Type: JOURNAL ARTICLE Date: 2011-1-12 |
Journal Detail:
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Title: Journal of hazardous materials Volume: - ISSN: 1873-3336 ISO Abbreviation: - Publication Date: 2011 Jan |
Date Detail:
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Created Date: 2011-2-7 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9422688 Medline TA: J Hazard Mater Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Copyright Information:
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Copyright © 2011. Published by Elsevier B.V. |
Affiliation:
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University of Central Florida, 4000 Central Florida Blvd., Orlando, FL 32816, United States. |
Export Citation:
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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