Title:
METHOD AND APPARATUS FOR TREATMENT OF WASTE MOLTEN- SLAG
Document Type and Number:
Japanese Patent JP2002013723
Kind Code:
A
Abstract:
To provide a method and apparatus for treatment of waste molten slag in which properties and economical value of slag and metals are increased to reuse them advantageously.
Waste and/or waste incineration ash is melted and iron in the molten state is oxidized by blowing gas containing oxygen into the slag and metals to take iron into the molten slag. Thus, nonferrous metals in the metal are concentrated, and the metal is recovered as a nonferrous metal material.
Inventors:
NISHIHARA NOBUYOSHI
OSANO HIDEMI
KATOU YASUHIKO
OSANO HIDEMI
KATOU YASUHIKO
Application Number:
JP2001034755A
Publication Date:
January 18, 2002
Filing Date:
February 13, 2001
Export Citation:
Assignee:
NIPPON STEEL CORP
International Classes:
B09B3/00; C02F11/06; C02F11/10; C22B7/00; C22B7/04; C22B11/02; C22B15/14; F23G5/16; F23G5/24; F23J1/00; F27B3/19; F27B3/22; F27D3/16; F23J1/08; (IPC1-7): F23J1/08; B09B3/00; C02F11/06; C02F11/10; C22B7/00; C22B7/04; C22B11/02; C22B15/14; F23G5/16; F23G5/24; F23J1/00; F27B3/19; F27B3/22; F27D3/16
Attorney, Agent or Firm:
Shiina Akira
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