重选

The preparation of iron fines from pyrite cinderby refloatation was simple and practicable with smallinvestment and floor area, convenient operation andmaintenance, and stable indexes.

重选法处理黄铁矿烧渣制取铁精粉工艺简便可行，且具有投资小、占地少、生产操作及维护简便、指稳定等优。