典型胺类物质的消毒副产物生成潜能

Journal of Hohai University(Natural Sciences)(2013)

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Abstract
在pH为8.0的磷酸盐缓冲体系中,加氯量为x(Cl2)誜x(N)=8:1、温度为(20±1)oC条件下测试甲胺、乙胺、二甲胺、甲基乙胺、二乙胺、苯胺和对氯苯胺等7种胺类物质的三卤甲烷、卤乙酸、卤乙腈、卤代酮、三氯硝基甲烷和水合氯醛等6类消毒副产物的生成潜能。结果表明,7种胺类物质的三卤甲烷、卤乙酸、卤乙腈、卤代酮、三氯硝基甲烷和水合氯醛的生成潜能分别为0.8~459.0 mmol/mol,13~35 mmol/mol,0.01~1.30 mmol/mol,0.001~0.013 mmol/mol,0.05~1.00 mmol/mol和0.06~39.00 mmol/mol;总消毒副产物潜能为14~480 mmol/mol,其中以三卤甲烷和卤乙酸两类占总消毒副产物生成量的99%以上(除在对氯苯胺中占87%以外)。由于二乙胺和对氯苯胺两种物质与氯的反应活性较高,消毒副产物生成潜能也最大。
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Key words
Amines,Chlorination disinfection,Disinfection byproducts,Formation potential
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