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A novel poly-Al-Fe coagulant containing zinc (PAZF) was prepared from a solid waste of galvanized-aluminum slag and its hydrolysis performance was studied. The coagulation behavior by PAZF was investigated in treating different wastewater samples compared to that by poly-aluminum-chloride (PAC). The results showed that PAZF hydrolysis could be seen as a hydrolysis process of complex salt and appeared...
Organic poly-silicic-ferric (OPSF) coagulant was prepared using dimethyldiallylammonium chloride (DMDAAC) as additive in poly-silicic-ferric (PSF) coagulant. Color removal in treating synthetic dyeing wastewaters by OPSF using jar test was investigated, in comparison with that of PSF coagulant. The results show that OPSF has better performance in color removal than PSF with the decreasing of dose,...
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