Removal of Phenols from Aqueous Streams by the Cloud Point Extraction Technique with Oxyethylated Methyl Dodecanoates As Surfactants

New oxyethylated methyl dodecanoates with average degrees of oxyethylation (n) ranging between 5 and 14 (denoted OMD-n) were considered as nonionic surfactants for the removal of phenol, 4-methylphenol, and 4-nitrophenol from aqueous streams by the cloud point extraction technique. The cloud point (...

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Bibliographic Details
Published in:Environmental science & technology 2001-06, Vol.35 (11), p.2341-2346
Main Authors: Materna, Katarzyna, Milosz, Izabela, Miesiac, Ireneusz, Cote, Gerard, Szymanowski, Jan
Format: Article
Language:English
Subjects:
Applied sciences
Chemical Phenomena
Chemistry, Physical
Exact sciences and technology
Industrial wastewaters
Kinetics
Laurates - chemistry
Methods
Phenols - chemistry
Pollution
Surface-Active Agents - chemistry
Surfactants
Wastewaters
Water Pollutants, Chemical - analysis
Water pollution
Water Pollution - prevention & control
Water treatment
Water treatment and pollution
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Summary:New oxyethylated methyl dodecanoates with average degrees of oxyethylation (n) ranging between 5 and 14 (denoted OMD-n) were considered as nonionic surfactants for the removal of phenol, 4-methylphenol, and 4-nitrophenol from aqueous streams by the cloud point extraction technique. The cloud point (denoted CP) strongly increases with the average degree of oxyethylation n but is independent of OMD-n concentration, except at low concentration (i.e.,
ISSN:0013-936X
1520-5851
DOI:10.1021/es000025y