coagulationis the process of adding certain chemicals into the water. Chemicals used in coagulation is a coagulant. Coagulant function of which is to reduce turbidity, color and odor in the water that affect water quality. Material selection of coagulants and appropriate dosing can produce clean water in accordance with the standard provisions. The method used in this research is the experimental method, namely by conducting an experiment to get the results that show the relationship between a variable dose of coagulant, turbidity and pH content. This research was conducted with Jar test test is an experiment that serves to determine the optimal dose to get the quality of water refers to the Minister of Health Kep 907/2002, namely to turbidity <5 NTU and the resulting pH between 6,5 to 8,5.The purpose of this study was to determine the water quality by using alum coagulant to the raw water from the river Ogan. Testing Jar tests were performed with raw water turbidity and pH of the conditions of tide and low tide. Terms clean water processed Jurug IPA refers to KepMenkes 907/2002, namely to turbidity <5 NTU and the resulting pH between 6.5 to 8.5. From the test results obtained Jar tests optimum dose alum coagulant consumption of 0.05 gr / l to 4.9 NTU turbidity containing pH 6.5 for tidal river water conditions and alum coagulant optimum dose of 0.07 g / l with a turbidity of 5, 0 NTU containing pH 6.5 for Receding water conditions.
Volume 11 | 08-Special Issue
Pages: 2446-2451