EFFEKTIFITAS PAC DAN TAWAS UNTUK MENURUNKAN KEKERUHAN PADA AIR PERMUKAAN

Firra, Rosariawari and Mohamad , Mirwan (2013) EFFEKTIFITAS PAC DAN TAWAS UNTUK MENURUNKAN KEKERUHAN PADA AIR PERMUKAAN. Envirotek : Jurnal Ilmiah Teknik Lingkungan, 5 (1). ISSN 2085-501-X

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Abstract

Kebon Agung Canal was one of the alternative to fulfill clean water in UPN “Veteran” Jatim. The problems is standard water of Kebon Agung Canal still not yet fulfilled standard quality of clean water so that it is need to be processing beforehand. At this research will be studied about processing of standard water of Kebon Agung Canal especially of physical processing, that is using of coagulation – flocculation continyu procces with sedimentation basin with type variation of coagulant to get the optimum coagulat to removal of turbidity, Total Suspended Solid and Total Disolved Solid. This research used PAC and Tawas and also variation of time detention, it is around 20 until 120 minute in sedimentation tank. The result of research that usage of Alum coagulant can cast aside turbidity equal to 61,48 % and for the coagulant of PAC equal to 58,52 %. At exclusion of TSS 57,5 % for Alum and 52,5 % for the coagulant of PAC, for the exclusion of TDS got that Alum can cast aside equal to 72,15 % and for PAC equal to 67 %, that result obtained for time detention 120 minutes. From result of above can know that usage of Alum coagulat by modify appliance that is with addition of partition at basin of flocculation can give better result effluent than using PAC coagulant. Key word s : Coagulation – Flocculation, Tawas, PAC, Kebon Agung Canal

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