The purpose of this test is to select types of coagulant (alum) and also to estimate the optimal dose needed in removing the charged particles that occurred in raw water. Jar test is an experiment to understand the processes of coagulation, flocculation and sedimentation (AWWA, 2011).
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Shallow well installations go down to a water depth of about 25 feet. Deep wells are down 150 feet to water, where surface pumps are involved.The jet pump is a centrifugal pump with one or more impeller and diffuser with the addition of a jet ejector.A JET EJECTOR consists of a matched nozzle and venturi.hallow well installations go down to a water depth of about 25 feet. Deep wells are down 150 feet to water, where surface pumps are involved.The jet pump is a centrifugal pump with one or more impeller and diffuser with the addition of a jet ejector. A JET EJECTOR consists of a matched nozzle and venturi.