硫酸渣中铁的富集试验研究

Research on Enrichment of Iron in Pyrite Cinder

研究了从硫酸渣中富集铁,考察了物料细度、物料配比、焙烧温度、焙烧时间对铁品位的影响。结果表明:在物料配比0.20、700℃下焙烧1.5h,再用试剂WJ-2浸出,可将硫酸渣中铁质量分数从49%提高到59.24%。

Enrichmentof iron in pyrite cinder was studied .The effects of pyrite cinder fineness, material proportion, roasting temperature, roasting time on iron grade were examined .The results show that at the conditions of roasting temperature of 700 ℃, the materials proportion of 0 .20, roasting time of 1 .5 h, and leaching using WJ‐2 reagent, the mass fraction of iron in the leaching residue can increase from 49% to 59 .24% .