Document Detail

A comparative study of the advanced oxidation of 2,4-dichlorophenol.
MedLine Citation:
PMID:  15072820     Owner:  NLM     Status:  MEDLINE    
Advanced oxidation processes (AOPs) using UV, UV/H2O2, Fenton and photo-Fenton treatment were investigated at laboratory scale for aqueous solutions of 2,4-dichlorophenol (DCP). The effects on degradation of different reactant concentrations, irradiation time, temperature and pH were assessed. DCP removal, TOC mineralization, dechlorination and change in oxidation state were monitored. UV photolysis was less efficient for total DCP degradation than other AOPs. In contrast, photo-Fenton reaction in acidic conditions led to a higher DCP degradation in a short time. Sixty minutes of treatment were sufficient for 100% DCP removal with 75 mg l(-1) H2O2 and 10 mg l(-1) Fe(II) initial concentrations. In these conditions, a first-order degradation constant for DCP of 0.057 min(-1) was obtained.
Fares Al Momani; Carmen Sans; Santiago Esplugas
Publication Detail:
Type:  Comparative Study; Evaluation Studies; Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Journal of hazardous materials     Volume:  107     ISSN:  0304-3894     ISO Abbreviation:  J. Hazard. Mater.     Publication Date:  2004 Mar 
Date Detail:
Created Date:  2004-04-09     Completed Date:  2004-08-19     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  9422688     Medline TA:  J Hazard Mater     Country:  Netherlands    
Other Details:
Languages:  eng     Pagination:  123-9     Citation Subset:  IM    
Departament d'Enginyeria Química i Metal.lúrgia, Universitat de Barcelona, Martí i Franquès 1, 08028 Barcelona, Spain.
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MeSH Terms
Carbon / analysis
Chlorophenols / chemistry*
Hydrogen Peroxide / chemistry
Indicators and Reagents / chemistry
Iron / analysis,  chemistry
Ultraviolet Rays
Reg. No./Substance:
0/Chlorophenols; 0/Fenton's reagent; 0/Indicators and Reagents; 120-83-2/2,4-dichlorophenol; 7439-89-6/Iron; 7440-44-0/Carbon; 7722-84-1/Hydrogen Peroxide

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