Powdered Saddled sea bream scale Response surface methodology (RSM) Natural organic matter a b s t r a c t Removal of organic substances from water by coagulation with alum and ferric salts were studied by means of conventional jar-test procedures. The novelty of this work is the use of powdered Saddled sea bream scale as coagulant-aid for enhancing the coagulation process with a low concentration of alum (Al 2 (SO 4 ) 3 ·18H 2 O). Performance of usual coagulation process depends on the chemical structure of …
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