考察了二级处理出水中有机组分的组成分布、三卤甲烷生成势、紫外光谱和红外光谱。

The distribution, trihalomethane formation potential (THMFP), UV-Vis and FTIR spectra of organic fractions in the secondary effluent were examined.

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以腐殖酸为三卤甲烷形成的前驱物质，确定THM生成的反应级数为二级。

The humic acid was dosed as the precursor of trihalomethanes(THM) and second order kinetics was identified for the THM formation reaction.

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