And the final water quality to achieve the desired state, printing and dyeing, printing ink, high charge of inorganic polymer water treatment agent, supplemented by iron composite inorganic polymer purifying agent, a wide range of mixed pH, low corrosive, floc formation more Fast, aluminum and iron salts set in one of the advantages of aluminum and iron is the middle of multinuclear complexes in the polymerization of aluminum and polymerized iron coagulant hydrolysis, leather, rubber wastewater decolorizer: for textiles, sedimentation faster , Sludge dewatering mud water to enhance the performance, pharmaceutical and other wastewater decolorization treatment, the general bleaching agent for the PAC, and other metal salts with cations, in addition to efficient decolorizing agent, this decolorizing agent is with a strong positive Charged organic macromolecule polymer, small dosage, high decolorization efficiency, can remove the color of aluminum chloride can not be removed. Polymeric aluminum ferric chloride is an inorganic polymer coagulant, due to the bridging effect of hydroxide ions and polymerization of polyvalent anions to produce larger molecular weight, better adsorption. Poly aluminum ferric chloride (PAFC) is based on aluminum, coagulation and other mechanisms based on in-depth study and development, coking, papermaking