A process of producing polyferric sulfate by reduction of roasting pyrite cinders,vitriol lixiviation and catalytic-oxidation polymerization was studied.

• 研究利用硫铁矿烧渣为主要原料,采用还原焙烧、硫酸浸取、催化氧化聚合的工艺制取聚合硫酸铁的新方法;