Title:
METHOD OF REFINING HIGH STRENGTH LEAD
Document Type and Number:
Japanese Patent JPS58130232
Kind Code:
A
Abstract:
Lead is obtained from lead sulfide ores or concentrates without prior sintering or roasting by the steps of adding the lead sulfide to a molten slag, injecting sufficient oxide to below the surface of the molten slag and vigorously agitating the slag whereby substantially to oxidize the lead sulfides to lead oxides, and then reducing the lead oxides. The slag is preferably agitated by means of a lance. The reduction stage may follow the oxidation stage in the same vessel or may be conducted in another vessel.
Inventors:
UIRIAMU TOMASU DENHORUMU
JIYON MIRISU FUROIDO
UIRIAMU JIYON ERINTON
ANTONI NAIZERU PARI
JIYON MIRISU FUROIDO
UIRIAMU JIYON ERINTON
ANTONI NAIZERU PARI
Application Number:
JP20222782A
Publication Date:
August 03, 1983
Filing Date:
November 19, 1982
Export Citation:
Assignee:
MAUNTO AIZA MAINZU LTD
COMMW SCIENT IND RES ORG
COMMW SCIENT IND RES ORG
International Classes:
C22B13/02; (IPC1-7): C22B13/02
Domestic Patent References:
| JPS49130822A | 1974-12-14 | |||
| JP35004857A |
Attorney, Agent or Firm:
Takano Takewaga