Oxidation rate in the preparation of polyferric sulfate coagulant

查看全文 作　　者：CHANG Qing (Department of Environmental Engineering, Lanzhou Railway College, Lanzhou 730070, China.E\|mail:changq@mail.lzri.edu.cn)

出　　处：《Journal of Environmental Sciences》索引2001年第13卷第1期,共4页

摘　　要：The oxidation rate of ferrous sulfate was investigated in the preparation of polyferric sulfate(PFS) coagulant. It was proved that this reaction is zero order with respect to Fe 2+ , first order with respect to NO\-2(g) and first order with respect to the interface area between gas phase and liquid phase. If the partial pressure of NO\-2(g) in gas phase is increased or the interface area is increased, the time needed to complete the reaction will be decreased. 关键词：COAGULANT FLOCCULANT polyferric sulfate PFS oxidation rate water treatmeD

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Oxidation rate in the preparation of polyferric sulfate coagulant

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