期刊
JOURNAL OF HEALTH SCIENCE
卷 54, 期 4, 页码 423-431出版社
PHARMACEUTICAL SOC JAPAN
DOI: 10.1248/jhs.54.423
关键词
polyhalogenated phenoxyphenol; methylated predioxin; water chlorination
类别
Aqueous 4-methylphenol solution with bromide ion was treated with hypochlorite at 20 degrees C under various experimental conditions. Changes in the composition of the halogenated products in water were determined by gas chromatographic (GC) and GC-mass spectrometric (GC/MS) analyses of diethyl ether extracts. 4-Methylphenol was shown to produce a variety of halogenated compounds, including polybrominated/chlorinated phenoxyphenols (Br/Cl-predioxins), having one to four halogen atoms, as by-products in the chlorine-treated water. Production of these predioxins is dependent on the number of equivalent of chlorine atoms per mole of compound and on the reaction pH. These results suggest that the chlorine treatment of water contaminated with 4-methylphenol and bromide ion leads to the formation of Br/Cl-predioxins, which are precursor of the highly toxic halogenated dibenzo-p-dioxins.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据