Spherical agglomeration of ilmenite

Details Spherical agglomeration of ilmenite Spherical agglomeration of ilmenite

1972-08-28

1976-06-01

White, Robert F.

Plastic and nonmetallic article shaping or treating: processes

Forming articles by uniting randomly associated particles

Agitating to form larger particles

B01J 228

Patent

active

039610055

ABSTRACT:
A process for upgrading an ilmenite concentrate by agglomerating the ilmenite fraction and removing gangue materials such as complex silicates in an aqueous phase. An aqueous dispersion of the concentrate suitably ground to about 60% minus 400 mesh is formed, the pH is adjusted in the range of 4 - 5.5, 5-10 lbs./ton of a conditioner such as oleic acid is added, followed by 100-200 lbs./ton of a binder liquid such as a light petroleum oil, and the mixture agitated to cause ilmenite solids in the mixture to absorb the oil thus forming spherical oil-bonded agglomerates containing the ilmenite values. The silicate gangue is removed in aqueous tailings and the agglomerated product separated and further treated to recover pigment grade titanium dioxide.

REFERENCES:
patent: 3449483 (1969-06-01), Quist
patent: 3617228 (1971-11-01), Smit
patent: 3755244 (1973-08-01), Hart

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