METHOD OF REMOVING LEAD COMPOUND FROM INCINERATION ASH

Title:

METHOD OF REMOVING LEAD COMPOUND FROM INCINERATION ASH

Document Type and Number:

Japanese Patent JPH11216443

Kind Code:

A

Abstract:

To provide a method of removing efficiently a Pb compound in incineration ash at a low cost.

In a method of removing a Pb compound contained in incineration ash from it, the incineration ash is kept under an alkali hydrothermal condition, the Pb compound in the incineration ash is subjected to the alkali hydrothermal reaction, and the resultant is dissolved in an alkali aqueous solution.

Inventors:

MASUDA KAORU
ENDO SHIGEHISA
IWATA HIROYUKI

Application Number:

JP1726398A

Publication Date:

August 10, 1999

Filing Date:

January 29, 1998

Export Citation:

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Assignee:

AGENCY IND SCIENCE TECHN

International Classes:

C22B7/02; C22B13/00; B09B3/00; (IPC1-7): B09B3/00; B09B3/00; C22B7/02; C22B13/00

Attorney, Agent or Firm:

Director, Institute for Resources and Environmental Technology, AIST

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