The complete dechlorination of DDT by magnesium/palladium bimetallic particles

The complete dechlorination of 1,1-bis(4-chlorophenyl)-2,2,2-trichloroethane (DDT) by a magnesium/palladium bimetallic system has been accomplished. The reaction takes place under ambient temperature and pressure and mild reaction conditions requiring only 0.25 g of magnesium and 0.3% palladium (wt/...

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Published in:Chemosphere (Oxford) 2001-04, Vol.43 (2), p.195-198
Main Authors: Engelmann, Mark D., Doyle, John G., Cheng, I.Francis
Format: Article
Language:English
Subjects:
Chlorine - chemistry
DDT - chemistry
Diphenylethane
Environmental Pollutants
Environmental Pollution - prevention & control
Gas Chromatography-Mass Spectrometry
Hydrodehalogenation
Magnesium - pharmacology
Palladium - pharmacology
Pesticide
Pesticides - chemistry
Spectrum Analysis
Zero-valent
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container_end_page 198
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container_title Chemosphere (Oxford)
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creator Engelmann, Mark D.
Doyle, John G.
Cheng, I.Francis
description The complete dechlorination of 1,1-bis(4-chlorophenyl)-2,2,2-trichloroethane (DDT) by a magnesium/palladium bimetallic system has been accomplished. The reaction takes place under ambient temperature and pressure and mild reaction conditions requiring only 0.25 g of magnesium and 0.3% palladium (wt/wt) to drive the dechlorination of 100 μg DDT (50 ppm in 2 ml). The process is both rapid and complete requiring less than 10 min to attain total dechlorination within the detection limit (∼10 pg for DDT) of electron capture detection gas chromatography (GC-ECD). The major product formed, as deduced from mass spectrometry (GC–MS) is the hydrocarbon skeleton, 1,1-diphenylethane. This technology may allow for the development of an economic and environmentally benign method of DDT remediation.
doi_str_mv 10.1016/S0045-6535(00)00163-6
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subjects Chlorine - chemistry
DDT - chemistry
Diphenylethane
Environmental Pollutants
Environmental Pollution - prevention & control
Gas Chromatography-Mass Spectrometry
Hydrodehalogenation
Magnesium - pharmacology
Palladium - pharmacology
Pesticide
Pesticides - chemistry
Spectrum Analysis
Zero-valent
title The complete dechlorination of DDT by magnesium/palladium bimetallic particles
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