Titanium beneficiation process of ilmenite

Generally, wet weak magnetic separation is used to select titanium magnetite first, and then fatty acid collectors are used to float calcite. After the middlings are de-doped, ilmenite is floated.

The beneficiation process of ilmenite depends on the nature of the material. Since the specific gravity of titanium minerals is relatively large compared to non-metallic gangue minerals, gravity separation can be used for pretreatment or rough separation and tailing; magnetic separation is widely used in iron removal operations to improve the concentrate grade of ilmenite, and can also be used to enrich ilmenite with a smaller specific gravity of gangue minerals; electrostatic separation is mostly used for purification operations when various non-conductive minerals are contained in titanium concentrate selected by other processes; flotation is more suitable for the beneficiation of primary ilmenite fine-grained ore.

Placer-type ilmenite, especially sea sand-type ilmenite weathered from pegmatite, can select titanium concentrate with a grade of more than 50%. Titanium selection process | The specific process of titanium selection from ilmenite is as follows: after the raw ore is cracked and screened, it can be roughly selected, scavenged and finely selected by jigging, spiral, chute, shaking table, cone concentrator, etc. according to the particle size characteristics of useful minerals in the sand ore. When the raw ore contains a lot of mud, it must be washed and desludged first. Desludging generally uses a hydrocyclone. For the selection of titanium-containing coarse concentrates, magnetic separation, electrostatic separation, gravity separation and flotation methods are generally used, and they are staggered according to the different properties of the minerals. The mixed concentrate uses electrostatic separation, magnetic separation and gravity separation to select four types of concentrates such as ilmenite, rutile, zircon and monazite.

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