Title:
ウラニウムを含有する焼却炉灰の処理方法
Document Type and Number:
Japanese Patent JP4777564
Kind Code:
B2
Abstract:
A method of recovering contaminating or valuable components from a solid feed material (10), includes feeding the material (10) into an optional grinder as a pretreatment (12), then into a heated melter (14) along with a material (16) that provides fluorine, to provide a molten or semi-molten material, where the molten material is then reacted with water or an acid solution (22) in vessel (20), to form a dissolved molten or semi-molten salt in solution, which can be passed to extractor (26) or the like and provide a concentrated stream of the valuable or contaminating components (30).
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Inventors:
Lahoda, Edward, Jay
Ha, Core, Tea
Ha, Core, Tea
Application Number:
JP2001520931A
Publication Date:
September 21, 2011
Filing Date:
August 10, 2000
Export Citation:
Assignee:
Westinghouse Electric Company LLC
International Classes:
C22B60/02; G21F9/02; B09B3/00; C22B3/04; C22B7/00; C22B7/04; G21F9/30; G21F9/32
Domestic Patent References:
| JPS62278128A | 1987-12-03 | |||
| JPH11131156A | 1999-05-18 | |||
| JPH11295488A | 1999-10-29 |
Attorney, Agent or Firm:
Koichiro Kato