Title:
【発明の名称】フッ素化及び浸出による焼却炉灰のような汚染固体物質からのウラニウムのような金属の再生
Document Type and Number:
Japanese Patent JP2003508631
Kind Code:
A
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).
Inventors:
Lahoda, Edward, Jay
Ha, Core, Tea
Ha, Core, Tea
Application Number:
JP2001520931A
Publication Date:
March 04, 2003
Filing Date:
August 10, 2000
Export Citation:
Assignee:
Westinghouse Electric Company LLC
International Classes:
G21F9/02; B09B3/00; C22B3/04; C22B7/00; C22B7/04; C22B60/02; G21F9/30; G21F9/32; (IPC1-7): C22B60/02; B09B3/00; C22B3/04; C22B7/04; G21F9/02; G21F9/32
Domestic Patent References:
| JPH11295488A | 1999-10-29 | |||
| JPS62278128A | 1987-12-03 | |||
| JPH11131156A | 1999-05-18 |
Attorney, Agent or Firm:
Koichiro Kato