التعدين على خام الحديد الهيماتيت — طرق الترسيب العكسي وفصل الجاذبية

Hematite Processing

Hematite (α-Fe₂O₃) is weakly magnetic, requiring reverse flotation, gravity separation or WHIMS for beneficiation.

Reverse Flotation

Cationic collectors float silica gangue while starch depresses iron minerals. Produces >65% Fe concentrate with <5% SiO₂.

Gravity Separation

Spiral concentrators and shaking tables separate hematite from lighter gangue based on density difference.