Title:
【発明の名称】アナタ-ゼ精鉱の製造法
Document Type and Number:
Japanese Patent JPS5948852
Kind Code:
B2
Abstract:
Process of obtaining an anathase concentrate from an anathase ore comprehends the reduction of the anathase ore to dimensions inferior to 125 mm; disaggregation in water; classification of the suspension and elimination of slimes and silicates; grinding of the deslimed fraction and low intensity magnetic separation; grinding of the non-magnetic fraction to a value inferior to 32 mesh; calcining and slight reduction to turn the limonite and the hematite into magnetite and elimination of the magnetite in low intensity magnetic separator; and electrostatic separation of the non-magnetic fraction to obtain, as conductor, a final product which is rich in anathase and has a low grade of impurities.
Inventors:
GUSUTABO MAGARUHAESU
Application Number:
JP13974378A
Publication Date:
November 29, 1984
Filing Date:
November 13, 1978
Export Citation:
Assignee:
VALE DO RIO DOCE CO
International Classes:
B03B7/00; B03C1/00; B03C7/02; C01G23/04; C01G49/08; C22B34/12; (IPC1-7): C22B34/12
Attorney, Agent or Firm:
Asamura Akira