The preparation of polyaluminium ferric chloride from the reaction of sulphur-ferric ore dregs and hydrochloric acid is introduced. The production technology and production conditions are also presented.

• 利用硫铁矿渣和盐酸反应制备水处理剂聚合氯化铁铝。本文提供了合理的生产工艺和生产条件。