The source of this study is.In the painting the cars project before the paint has to be cleaned car structures using various chemicals. In order to clean it up, which caused the Chamical chamical waste waste arising from this are classified as hazardous waste. Currently, the company has made management of chemical waste that occurs in this way to get rid of, but because of the cost of sending waste to get rid of Chamical in defeat, so high was the idea to put the waste emerging Chamical made treatment in wastewater treatment system in order to save the cost of handling waste Chamical were doing experimental study on feasibility of sewage treatment waste Chamical. This came upTo compare the cost of
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