<![CDATA[PT X, one of the state-owned enterprises to support the country's food security, is the largest and most comprehensive fertilizer producer in Indonesia that generates various wastes, including industrial liquid waste. Liquid waste has no economic value, so it is very important to treat it. PT X Company uses potential Hydrogen (pH)ysical and chemical treatment. There are two effluent treatment units, setting, line injection, and sludge treatment. All parameters evaluated include chemical requirements for oxygen (COD), zat padat yang tersuspensi(TSS), ammonia (NH3), total kjehdal nitrogen (TKN), fluorine, degree of acidity (potential of hydrogen (pH)), oil, and fat. According to the results after the analysis conducted in the study, it was found that the air pollution data after wastewater treatment was carried out showed that the quality of wastewater every month had met the quality standards of the rules and could be discharged into water bodies / seas. This shows the effectiveness of the treatment process implemented by the company.]]>
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