Laboratory Experiments to Purify Dolomite from Iron by Physical Processes تجارب مختبرية لتنقية الدولومايت من الحديد بالطرق الفيزيائية

Abstract

This work refers to a process for obtaining Dolomite of low content of iron (Fe2O3%). Different processes were used for this purpose, wet grinding, scrubbing, and dispersion by using EDTA as dispersing agent. Wet grinding and scrubbing at optimum conditions (solid 75%, scrubbing time 10 min. and 1000 r.p.m ) decrease the iron content from (0.27% to 0.1%) while dispersion process never decrease the (Fe2O3% ) .