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Highlights NH 2 Cl generally produced lower THMs, HAAs and HNMs yields than Cl 2. Bromide level and disinfectant dose are two most important factors affecting THMs, HAAs and HNMs formation. Addition of nitrite significantly increased HNMs formation during chloramination, but was not necessary in the chlorination. The factors affect the speciation of mono-halogenated, dihalogenated, and ...
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