WET PROCESS TREATMENT OF BLAST FURNACE SECONDARY ASH

Title:

WET PROCESS TREATMENT OF BLAST FURNACE SECONDARY ASH

Document Type and Number:

Japanese Patent JPS534705

Kind Code:

A

Abstract:

PURPOSE: To enable to make the systemas closed type and to effectively and separately recover useful secondary ash for iron manufacturing and high grade zinc, without using heat energy, by treating blast furnace secondary ash with sulfuric acid, H2O2 and slaked lime.

Inventors:

KOZAKI TOSHIO
AIDA TSUNEO
NAKAMURA KIYOAKI

Application Number:

JP7863176A

Publication Date:

January 17, 1978

Filing Date:

July 02, 1976

Export Citation:

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Assignee:

NIPPON STEEL CORP
TETSUHARA KK

International Classes:

C22B7/02; C01G9/02; C01G49/00; C01G49/02; C01G49/06; C22B1/00; C22B3/00; (IPC1-7): C01G9/02; C01G49/06; C22B1/00; C22B3/00; C22B7/02

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