Title:
RARE EARTH SEPARATION AND RECOVERY APPARATUS
Document Type and Number:
WIPO Patent Application WO/2015/019433
Kind Code:
A1
Abstract:
An apparatus for separating and recovering multiple kinds of rare earth elements, the apparatus being provided with: a mixing and pulverizing section for mixing a rare earth feedstock containing multiple kinds of rare earth elements with an ammonium chloride feedstock and pulverizing to generate a mixture; a heat treatment unit for heat-treating the mixture to generate a mixed chloride of the multiple kinds of rare earth elements; and a solid-liquid separation unit for mixing the mixed chloride with a solvent and separating the multiple kinds of rare earth elements from each other by solid-liquid separation.
Inventors:
MIYATA MOTOYUKI (JP)
YAMAMOTO HIROKI (JP)
MURAKAMI HAJIME (JP)
YAMAMOTO HIROKI (JP)
MURAKAMI HAJIME (JP)
Application Number:
PCT/JP2013/071311
Publication Date:
February 12, 2015
Filing Date:
August 07, 2013
Export Citation:
Assignee:
HITACHI LTD (JP)
International Classes:
C22B59/00; C22B3/44; C22B7/00
Domestic Patent References:
| WO2012137727A1 | 2012-10-11 | |||
| WO2009119720A1 | 2009-10-01 |
Foreign References:
| JP2001303149A | 2001-10-31 |
Attorney, Agent or Firm:
INOUE Manabu et al. (JP)
Manabu Inoue (JP)
Manabu Inoue (JP)
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