The dearsenifying process from leaching solution by formation of insoluble ferric arsenate was analyzed by thermdynamic and experiment,and the stability of ferric arsenate was also investigated.

• 从化学热力学和实验2方面研究了浸出液中以砷酸铁形式中和沉淀脱砷过程,并对砷酸铁沉淀的稳定性进行了研究。