... or air-floated and the water become clear.b) Ph index of the waste water should be adjusted to 7 - 10 for ... are relatively high, it can be used with the help of polyaluminum chloride to reduce treatment cost, whether polyaluminum chloride is ... not be placed in the sun, within a temperature range of 10 - 30°CPacking: 25kg/plastic drum, 50kg/plastic drum, 250kg ...