... ;4, for certain difficult industrial sewage treatment, with PAC as the mother, mixed with other chemicals to mix composite PAC, wastewater ... chloride:1, molecular structure of polyaluminum chloride, strong adsorption capacity, the amount of small, low cost.2, good solubility, high ... but the best range of pH values of 6-8;Adaptable 2, dealing with water, suitable for all kinds of water treatment, and ...