Title:
イルメナイト鉱からの酸化チタンの回収方法
Document Type and Number:
Japanese Patent JP6656694
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a novel method capable of effectively recovering titanium oxide having a higher purity for the metal titanium production from ilmenite ore in a simple and low-cost manner.SOLUTION: A recovery method of titanium oxide for the metal titanium production from ilmenite ore comprises at least the following steps:<1> a step of adding a reductant to the ilmenite ore to reduce it; <2> a step of subjecting the obtained reduced product to acid leaching to obtain a leachate containing Ti; and <3> a step of performing air oxidation treatment of the obtained leachate to deposit titanium oxide.SELECTED DRAWING: Figure 1
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Inventors:
Hidehiro Sekimoto
Application Number:
JP2015257377A
Publication Date:
March 04, 2020
Filing Date:
December 28, 2015
Export Citation:
Assignee:
Iwate University
International Classes:
C22B34/12; C01G23/04; C22B3/10; C22B3/44; C22B5/04; C22B5/06; C22B5/10
Domestic Patent References:
| JP2003105457A | ||||
| JP54018413A | ||||
| JP56073629A | ||||
| JP56075540A | ||||
| JP54078313A | ||||
| JP2014234547A |
Foreign References:
| US4172878 |
Attorney, Agent or Firm:
Toshio Nishizawa