2010全国生物材料大会论文集之 (1226).pdf

Extraction of Phenol, o-Chlorophenol,
o-Nitrophenol from Water by Using
Liquid-solid Extraction System Based
on Tween 80-Sodium Citrate-H2O

Jian Zhang*, Ming Yang, Jianfen Li, Ru Li, Kaicheng Zhang
School of Chemistry and Environmental Engineering,
Wuhan Polytechnic University,
Wuhan, 430023, P. R. China.
*Corresponding author Email address: zhangjwhpu@

Abstract—The proper extraction conditions for origin from natural, industrial, domestic or
phenol, o-chlorophenol and o-nitrophenol were agricultural activities. For example, they are
investigated by using the liquid-solid extraction found in wastes of synthetic resin and plastics,
posed of Tween 80-sodium citrate-H2O. rubber-proofing, cutting–oil, dye manufacturing,
% (v/v) Tween 80, g·l-1 sodium citrate, coking plants and many chemicals [1, 2].
extraction acidity of pH had been found pounds, especially chlorinated, may
optimal for extraction of pounds. be life–threatening to humans even at a lower
Under the above-mentioned conditions the once concentration. A maximum admissible
average recoveries of phenol, o-chlorophenol and concentration range has been strictly assigned by
o-nitrophenol in analogous water samples were the US Environmental Protection Agency [3].
%, %, %, respectively. When sodium Extraction analysis studying on phenolic
citrate