Transformation of DDT and Its Metabolites by Various Abiotic Methods
Publication: Journal of Environmental Engineering
Volume 132, Issue 5
Abstract
This work looks at several new abiotic treatment methods for transformation of DDT in an aqueous solution. Various combinations of calcium peroxide , zero-valent iron , iron sulfide (FeS), and hydrogen peroxide were utilized to promote the abiotic transformation of 1,1,1-trichloro-2,2-bis( -chlorophenyl)ethane (DDT) in electrolyte, hydroquinone, and nonionic surfactant (Triton X-114) systems. Treatment with resulted in 86% DDT mass reduction within of treatment with only traces of 1,1-dichloro-2,2-bis( -chlorophenyl)ethane (DDD), 1,1-dichloro-2,2-bis( -chlorophenyl)ethylene (DDE), and 1,1-dichloro-2,2-bis(4-chlorophenyl)ethylene (DDMU) being generated. Treatments with 1:1 mixtures of and resulted in 86 and 85% DDT mass transformation, respectively, within . A mixture of showed similar results with 79% DDT mass transformed within . A mixture of of resulted in 85 and 97% transformation in the total mass of DDT in an electrolyte solution and a hydroquinone solution, respectively. The treatment of DDT in aqueous solution by , in the presence of Triton X-114, resulted in the transformation of 97% of the total mass of DDT within , albeit, large amounts of DDE were generated.
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Information & Authors
Information
Published In
Journal of Environmental Engineering
Volume 132 • Issue 5 • May 2006
Pages: 560 - 564
Copyright
© 2006 ASCE.
History
Received: Mar 5, 2004
Accepted: Aug 16, 2005
Published online: May 1, 2006
Published in print: May 2006
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