I have done a test of domestic sewage, you look at this situation is not the amount added is too large, because the amount of more than that, he will have the o
Refers to the basic degree of salt. Polyaluminum chloride is the main component that causes the changeable form of poly (aluminum chloride) to be OH ion. The me
Neutralization and dissolution of organic matter and charge density on the surface of fine fibers on the surface of the negative charge, the use of high-yield p
The best use of polypropylene, FRP need to consider the acid-base material, the other high cost or not easy to use.