Document Detail


The hydroxyl radical scavenging effect of textile preparation auxiliaries on the photochemical treatment of nonylphenol ethoxylate.
MedLine Citation:
PMID:  22629613     Owner:  NLM     Status:  In-Process    
Abstract/OtherAbstract:
The present paper deals with the effects of frequently used textile preparation chemicals and common ions on the H2O2/UV-C treatment of a commercially important and slowly biodegradable nonionic surfactant, namely a nonylphenol bearing 10 ethoxylated chains. For this purpose, the effect of soda ash carbonate (0-5.0 g L(-1)), two phosphonic acid-based organic sequestering agents (0-2.5 g L(-1)) and chloride (0-3.0 g L(-1)) at two different pH values (3.5 and 10.5) as hydroxyl radical scavengers was experimentally investigated. Among the studied textile preparation chemicals and hydroxyl radical scavengers, the decreasing order of hydroxyl radical scavenging capacity was established as diethylene triamine pentamethylene phosphonic acid > 1-hydroxy ethylidene-1,1-diphosphonic acid > soda ash carbonate at pH 10.5 > chloride at pH 3.5 > chloride at pH 10.5.
Authors:
Idil Arslan-Alaton; Sarina Shayin; Tugba Olmez-Hanci
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Environmental technology     Volume:  33     ISSN:  0959-3330     ISO Abbreviation:  Environ Technol     Publication Date:    2012 Feb-Mar
Date Detail:
Created Date:  2012-05-28     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9884939     Medline TA:  Environ Technol     Country:  England    
Other Details:
Languages:  eng     Pagination:  419-27     Citation Subset:  IM    
Affiliation:
Istanbul Technical University, Faculty of Civil Engineering, Department of Environmental Engineering, 34469 Maslak, Istanbul, Turkey. arslanid@itu.edu.tr
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