Title:
廃触媒からの金属の回収方法
Document Type and Number:
Japanese Patent JP5020954
Kind Code:
B2
Abstract:
The process of this invention is directed to the removal of metals from an unsupported spent catalyst. The catalyst is subjected to leaching reactions. Vanadium is removed as a precipitate, while a solution comprising molybdenum and nickel is subjected to further extraction steps for the removal of these metals. Molybdenum may alternately be removed through precipitation.
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Inventors:
Marcantonio, Paul, Jay.
Application Number:
JP2008523895A
Publication Date:
September 05, 2012
Filing Date:
June 28, 2006
Export Citation:
Assignee:
Chevron U.S.A. Inc.
International Classes:
B01J23/88; B01J23/94; B01J38/08; B01J38/12; B09B3/00; C02F11/00; C02F11/06; C22B3/20; C22B3/44; C22B7/00; C22B9/02; C22B23/00; C22B34/22; C22B34/34
Domestic Patent References:
| JP62500865A | ||||
| JP2000079342A | ||||
| JP3089948A | ||||
| JP2004000936A |
Attorney, Agent or Firm:
Hideto Asamura
Hajime Asamura
Katsunori Ando
Yukihiro Ikeda
Hajime Asamura
Katsunori Ando
Yukihiro Ikeda