DETERMINATION OF ALKYL SULFATE SURFACTANTS IN NATURAL-WATERS

被引:36
|
作者
FENDINGER, NJ
BEGLEY, WM
MCAVOY, DC
ECKHOFF, WS
机构
[1] The Procter and Gamble Company, The Ivorydale Technical Center, Cincinnati, Ohio, 5299 Spring Grove Avenue
关键词
D O I
10.1021/es00036a024
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
An analytical technique was developed to monitor alkyl sulfate (AS) surfactants in natural water samples and determine AS removal during wastewater treatment The method utilizes a reverse-phase extraction column followed by strong anionic and cationic exchange column cleanup steps. AS are then derivatized with N,O-bis(trimethylsilyl)trifluoroacetimide with 1 % trichloromethylsilane and analyzed by GC/FID as trimethylsilyl ethers. Total AS concentrations in wastewater varied as a function of time and were correlated with expected consumer use patterns of AS-containing products. Flow-weighted average total AS concentrations in influent wastewater were at least 2.4 times lower than expected based on mass balance predictions and were probably due to AS loss during waste-water conveyance. Removal of AS at two trickling filter treatment plants exceeded 90 %. AS was not detected in the receiving streams monitored.
引用
收藏
页码:2493 / 2498
页数:6
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