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Title:
METHOD FOR STABILIZATION TREATMENT OF STEEL MAKING SLAG AND STABILIZED STEEL MAKING SLAG
Document Type and Number:
Japanese Patent JP3828897
Kind Code:
B2
Abstract:

PROBLEM TO BE SOLVED: To stably treat steel making slag such as converter slag, preliminary treatment slag or secondary refining slag produced in a steel making plant.
SOLUTION: The subject method for the stabilization treatment of the steel making slag is characterized in that a gas containing carbon dioxide and having 75-100% relative humidity is allowed to flow in the steel making slag aged under the atmosphere, a pressurized atmosphere or a steam atmosphere after water is added to the slag in an amount adjusted to a range which is less than a value at which free water starts to be present and is not less than a value being smaller than this value by 10 mass%.


Inventors:
Naoto Tsutsumi
Susumu Tsunekawa
Makoto Tanaka
Tomoaki Tasaki
Masayoshi Yokoo
Application Number:
JP2004069215A
Publication Date:
October 04, 2006
Filing Date:
March 11, 2004
Export Citation:
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Assignee:
Nippon Steel Corporation
International Classes:
C04B5/00; C04B5/06; C21C5/28; E01C3/00; F27D15/00; (IPC1-7): C04B5/06; C21C5/28; F27D15/00
Domestic Patent References:
JP8259282A
Foreign References:
US5569314
Attorney, Agent or Firm:
Atsushi Aoki
Takashi Ishida
Tetsuji Koga
Hiroshi Kamematsu
Masaya Nishiyama