关键词: 高纯PAC, 浊度, 盐基度, 活性氧化铝, pH 值

Abstract: High purity polyaluminium chloride has advantages such as quick flocs formation, good sedimentation performance and wide adaptation, and is currently the most widely-applied flocculant in industry, but there are some drawbacks in upgrading the product and expanding its application. To meet the requirements in water treatment technology development, production technology research into high purity polyaluminium chloride was made, and many innovation results have been obtained in the production of raw materials, reaction process, reaction equipment, process selection, etc. The results show that the performance is much better than ordinary PAC (polyaluminium chloride): dosing quantity can be reduced by about 20%, so that costs are reduced while the production increased.