Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
RECOVERY OF METAL FROM HIGH CARBON FERROCHROME SLAG
Document Type and Number:
Japanese Patent JPS58217648
Kind Code:
A
Abstract:

PURPOSE: To recover the metal in slag at high yield, by a method wherein a magnetically attracted substance obtained by a method wherein abandoned slag generated during the preparation of high carbon ferrochrome crushed to be subjected to ferromagnetical beneficiation and remelting slag high in metal content are crushed to a specific size or less to be subjected to gravity beneficiation treatment.

CONSTITUTION: The metal of high carbon ferrochrome remains in high viscous slag formed during the preparation of high carbon ferrochrome in an electric furnace in an amount of 1W2wt%. This slag is crushed to a particle size of 25mm or less to be subjected to magnetic separation under ferromagnetic force of 8,000 gauss or more. The metal-containing slag magnetically attracted by a mineral processing machine and slag containing the metal of high carbon ferrochrome solidified on and adhered to a ladle and a flow trough are crushed to a particle size of 15mm or less. This crushed slag is treated by a gravity separator to separate and recover the metal from the slag.


Inventors:
KOGA YOSHINORI
INOUE NORIYUKI
OOTSUKA TAHEIJI
KATAYAMA HIROATSU
UNO HISASHI
TOYODA YOSHIAKI
Application Number:
JP1982000101652
Publication Date:
December 17, 1983
Filing Date:
June 12, 1982
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
JAPAN METALS & CHEM CO LTD
NIPPON JIRYOKU SENKO
International Classes:
C22B7/04; C04B5/00; F27D15/00; (IPC1-7): C04B5/00; C22B7/04; F27D15/00