Title:
METHOD FOR RECOVERING SCANDIUM
Document Type and Number:
WIPO Patent Application WO/2018/043183
Kind Code:
A1
Abstract:
Provided is a method for recovering scandium as scandium oxide that contains high-quality scandium and in which coarse particles having good handling properties are formed. This method for recovering scandium includes a step for carrying out an oxalate conversion process wherein oxalic acid is used in a solution containing scandium (scandium-containing solution) to generate a reaction in which the scandium is converted into an oxalate form, the method characterized in that the temperature of the reaction solution during the oxalate conversion process is 50°C to 80°C.
Inventors:
HIGAKI TATSUYA (JP)
IMAMURA MASAKI (JP)
NAKAI OSAMU (JP)
KOBAYASHI HIROSHI (JP)
IMAMURA MASAKI (JP)
NAKAI OSAMU (JP)
KOBAYASHI HIROSHI (JP)
Application Number:
PCT/JP2017/029813
Publication Date:
March 08, 2018
Filing Date:
August 21, 2017
Export Citation:
Assignee:
SUMITOMO METAL MINING CO (JP)
International Classes:
C22B59/00; C22B1/02; C22B3/26; C22B3/42; C22B3/44
Foreign References:
| CN1844421A | 2006-10-11 | |||
| JP2016108664A | 2016-06-20 | |||
| JPS63291813A | 1988-11-29 | |||
| JPH0323213A | 1991-01-31 |
Other References:
See also references of EP 3508592A4
Attorney, Agent or Firm:
SHOBAYASHI Masayuki et al. (JP)
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