The chloride of system H is not swing, the  concentration is about 10,000 ppm often. We know the  chloride maybe a matter, and we plan to lower. Do you suggest the suitable chloride concentration for ​activated ​sludge system ?

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The chloride of system H is not swing, the  concentration is about 10,000 ppm often. We know the  chloride maybe a matter, and we plan to lower. Do you suggest the suitable chloride concentration for ​activated ​sludge system ?