Will leave a small amount of aluminum ions, in general, no problem with residual heavy metals; but polluting aquatic products as long as the national standard G
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
Polyaluminum chloride is a flocculant, polyacrylamide is a coagulant, just like people sick to take medicine, but also add a drug primer, the drug is not much,
Go to the chemical shop and then buy some hydrochloric acid and then put the aluminum block until the aluminum block and then there is no gas out of the solutio
And the final water quality to achieve the desired state, printing and dyeing, printing ink, high charge of inorganic polymer water treatment agent, supplemente