First consider your precipitant (polyaluminum chloride) is not out of date, and then check the PH value of water quality, PH value is too high or too low, will
Methods are as follows: 1, the use of field simulation device to determine and control the dosage of polyaluminium chloride is a relatively simple method. Commo
High profits But now the investment is a bit late Now too many manufacturers to produce the product Almost all of the customers are owned by the old manufacture
Strong neutralization of colloids in water. B. C, the selective adsorption of dissolved substances, hydrolyzate on the water suspension of the excellent bridgin
Polyaluminum chloride put in the water, the water body to remain stationary state 5 to 6 hours to absorb sewage: adsorption time is not appropriate, will have a