-PH (pH) is the value that tells the concentration of hydrogen will represent the values of the wastewater alkaline-acid
-and Dang (Alkalinity) As the value of quantities of water that exist in an alkaline and pH control agent. (Buffer)
-Nitrogen (Nitrogen) as an indicator of clean water sources, as well as a supplement in the growth of some types of plants in a body of water and nitrogen will be used for the growth of bacteria in the waste water treatment system, the use of biological oxygen
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