Turbidity Removal from Wastewaters of Natural Stone …
The effectiveness of coagulation (at pH values of 6, 7.5, and 9), flocculation (at pH 9), and coagulation plus flocculation (at pH 9) on turbidity removal from natural stone (travertine) processing wastewaters (NSPW) were examined by applying classical sedi-mentation tests. FeCl 3N6H 2O, AlCl, and Al (SO 4) N16H O were used as coagulants
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