Document Detail


Interaction between organic species in the formation of haloacetic acids following disinfection.
MedLine Citation:
PMID:  16760098     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
The formation of haloacetic acids (HAAs) from the chlorination of individual and binary mixtures of organic fractions obtained from the intake of Bangkhen Water Treatment Plant in Bangkok, Thailand was investigated. Experimental results revealed that, as an individual fraction, hydrophobic base (HPOB) was the most active in forming HAAs (approx. 200 microg/mg) whereas hydrophilic acid (HPIA) was the least (approx. 40 microg/mg). In binary mixtures, acid fractions exhibited stronger inhibitory effect in forming HAAs than base fractions. With the set of experimental data obtained from this work, no relationships between specific HAA formation potential and various organic fractions concentrations in binary mixtures could be formulated. Among the various individual HAA species obtained from the chlorination of each individual organic fraction, dichloroacetic acid (DCAA) was found to be predominant. On the other hand, the chlorination of binary organic fraction mixtures often led to the formation of monochloroacetic acid (MCAA) as the predominant HAA species.
Authors:
Vorapot Kanokkantapong; Taha F Marhaba; Suraphong Wattanachira; Bunyarit Panyapinyophol; Prasert Pavasant
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Journal of environmental science and health. Part A, Toxic/hazardous substances & environmental engineering     Volume:  41     ISSN:  1093-4529     ISO Abbreviation:  J Environ Sci Health A Tox Hazard Subst Environ Eng     Publication Date:  2006  
Date Detail:
Created Date:  2006-06-08     Completed Date:  2006-10-26     Revised Date:  2009-08-14    
Medline Journal Info:
Nlm Unique ID:  9812551     Medline TA:  J Environ Sci Health A Tox Hazard Subst Environ Eng     Country:  United States    
Other Details:
Languages:  eng     Pagination:  1233-48     Citation Subset:  IM    
Affiliation:
Department of Environmental Health, Faculty of Public and Environmental Health, Huachiew Chalermprakiet University, Samutprakarn, Thailand.
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MeSH Terms
Descriptor/Qualifier:
Acetic Acids / analysis*,  chemistry
Adsorption
Carbon / analysis,  chemistry
Chemical Fractionation
Chlorine / chemistry*
Disinfection*
Ion Exchange Resins
Water Pollutants, Chemical / analysis*
Water Purification
Chemical
Reg. No./Substance:
0/Acetic Acids; 0/Ion Exchange Resins; 0/Water Pollutants, Chemical; 7440-44-0/Carbon; 7782-50-5/Chlorine

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


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