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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The cost difference between the two types of pumps is negligible. The GPM, or gallons per minute, variable is what typically has the most influence over cost. A low quality, low flow-rate pump can run anywhere between $300 and $600, with installation costing around $700 to $1,000. A high end, high flow-rate pump can cost upwards of $1,000, with installation being generally the same. Submersible and deep well jet pump installations typically run higher than a shallow well jet pump due to the extra labor involved.