Document Detail


Removal of chlorothalonil, methyl parathion and methamidophos from water by the Fenton reaction.
MedLine Citation:
PMID:  17432379     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
The efficiency of a dark Fenton system (H2O2/Fe2+) to remove chlorothalonil from water, alone and in the presence of the organophosphorous pesticides methyl parathion and methamidophos, was evaluated. Here we show that the process is rapid and efficient. Nearly complete degradation of chlorothalonil and methyl parathion (98%) was observed in less than 10 min whereas methamidophos showed similar levels of efficiency only after 40 to 90 min. Formulating agents did not appear to impair the degradation of active ingredients. Interactions during the degradation of mixtures of the three pesticides only appeared to affect methamidophos degradation.
Authors:
R F Gutiérrez; A Santiesteban; L Cruz-López; R Bello-Mendoza
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Publication Detail:
Type:  Comparative Study; Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Environmental technology     Volume:  28     ISSN:  0959-3330     ISO Abbreviation:  Environ Technol     Publication Date:  2007 Mar 
Date Detail:
Created Date:  2007-04-13     Completed Date:  2007-08-15     Revised Date:  2007-11-15    
Medline Journal Info:
Nlm Unique ID:  9884939     Medline TA:  Environ Technol     Country:  England    
Other Details:
Languages:  eng     Pagination:  267-72     Citation Subset:  IM    
Affiliation:
Instituto Tecnológico de Tapachula, Carretera a Puerto Madero Km. 2.0, C.P. 30700, Tapachula, Chiapas, Mexico.
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MeSH Terms
Descriptor/Qualifier:
Evaluation Studies as Topic
Hydrogen Peroxide / analysis,  chemistry*
Iron / chemistry*
Methyl Parathion / analysis,  chemistry
Nitriles / analysis,  chemistry
Organothiophosphorus Compounds / analysis,  chemistry
Oxygen / analysis
Pesticides / analysis,  chemistry*
Waste Disposal, Fluid / methods*
Water Pollutants, Chemical / analysis*
Water Purification / methods*
Chemical
Reg. No./Substance:
0/Fenton's reagent; 0/Nitriles; 0/Organothiophosphorus Compounds; 0/Pesticides; 0/Water Pollutants, Chemical; 10265-92-6/methamidophos; 1897-45-6/tetrachloroisophthalonitrile; 298-00-0/Methyl Parathion; 7439-89-6/Iron; 7722-84-1/Hydrogen Peroxide; 7782-44-7/Oxygen

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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