METHOD FOR SEPARATING PLATINUM GROUP ELEMENT

Title:

METHOD FOR SEPARATING PLATINUM GROUP ELEMENT

Document Type and Number:

WIPO Patent Application WO/2003/078670

Kind Code:

A1

Abstract:

A method for separating a platinum group element, which comprises a step (A) subjecting a material containing a platinum group element and selenium and/or tellurium to a treatment with an alkali, a step (B) of leaching selenium and/or tellurium, and a step (C) of separating a leaching residue containing a platinum group element from a solution containing the leached selenium and/or tellurium. The method allows the separation of selenium, tellurium and a platinum group element from a material containing a platinum group element and selenium and/or tellurium with good efficiency.

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Inventors:

OKADA SATOSHI (JP)
UNO TAKAHIRO (JP)
SATO KAZUSUKE (JP)
ISHIWATA SHOJI (JP)

Application Number:

PCT/JP2003/003108

Publication Date:

September 25, 2003

Filing Date:

March 14, 2003

Export Citation:

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Assignee:

MITSUBISHI MATERIALS CORP (JP)
OKADA SATOSHI (JP)
UNO TAKAHIRO (JP)
SATO KAZUSUKE (JP)
ISHIWATA SHOJI (JP)

International Classes:

C22B1/02; C22B3/00; C22B7/00; C22B11/00; C22B59/00; C22B61/00; (IPC1-7): C22B11/04; C22B1/02; C22B3/00; C22B7/00; C22B61/00

Foreign References:

JP2000169116A	2000-06-20
US4229270A	1980-10-21
JPS60208433A	1985-10-21

Attorney, Agent or Firm:

Shiga, Masatake (2-3-1 Yaesu Chuo-ku, Tokyo, JP)

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