Polyacrylamide, basic aluminum chloride, ferrous sulfate, aluminum sulfate, polymeric ferric sulfate and the like. Although these things can not eat (nonsense)
Sodium alginate and the like, alum, polyaluminum chloride, polyaluminum sulfate. Iron-based coagulants include ferric chloride, ferrous sulfate, inorganic coagu
Polyaluminum chloride in aluminum oxide content of more than 30% is the level of drinking water, and the basicity of 55% to 90%
The production process is simple, in the 1980s is a commonly used technology at home and abroad. Due to the poor acid-solubility of aluminum hydroxide, the acid
Printing and dyeing wastewater contains many of the pollution of the water environment and difficult to degrade organic printing and dyeing wastewater is one of