Title:
METHOD FOR RECOVERING METALLIC COMPONENT IN SPENT DETOXIFYING AGENT
Document Type and Number:
Japanese Patent JP2004300459
Kind Code:
A
Abstract:
To provide a method for safely removing harmful components contained in a detoxifying agent which has treated a metal hydride gas or an organometallic gas, further recovering the metallic component of a main agent in the detoxifying agent, and reusing it as a raw material for the detoxifying agent.
The method for recovering the metallic component in the spent detoxifying agent containing one or more compounds selected among a solid metal oxide, a solid metal carbonate and a solid metal hydride as a main component, comprises treating the spent detoxifying agent with an acid, which has treated an exhaust gas containing the metal hydride gas and/or the organometallic gas.
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Inventors:
HARADA ISAO
Application Number:
JP2003091687A
Publication Date:
October 28, 2004
Filing Date:
March 28, 2003
Export Citation:
Assignee:
MITSUI CHEMICALS INC
International Classes:
B01D53/46; B01D53/64; C01G3/00; C21B15/00; C22B3/44; C22B7/00; C22B15/00; C22B19/00; C22B19/20; C22B23/00; C22B47/00; (IPC1-7): C22B3/44; B01D53/46; B01D53/64; C01G3/00; C22B7/00; C22B15/00; C22B19/00; C22B23/00; C22B47/00