JPS5757842A - Recovering method for useful metal from industrial waste - Google Patents

Recovering method for useful metal from industrial waste

Info

Publication number
JPS5757842A
JPS5757842A JP13212080A JP13212080A JPS5757842A JP S5757842 A JPS5757842 A JP S5757842A JP 13212080 A JP13212080 A JP 13212080A JP 13212080 A JP13212080 A JP 13212080A JP S5757842 A JPS5757842 A JP S5757842A
Authority
JP
Japan
Prior art keywords
converter
iron
dust
metals
coolant
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP13212080A
Other languages
Japanese (ja)
Inventor
Toshihiko Fujita
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to JP13212080A priority Critical patent/JPS5757842A/en
Publication of JPS5757842A publication Critical patent/JPS5757842A/en
Pending legal-status Critical Current

Links

Classifications

    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling

Landscapes

  • Manufacture And Refinement Of Metals (AREA)

Abstract

PURPOSE: To recover nonferrous metals such as Zn as well as iron by granulating various kinds of iron-contg. dust and sludge discharged from an iron mill together with quick lime powder and using the granules as a coolant for molten metal in steel making operation.
CONSTITUTION: Dust and sludge discharged from a blast furnace, a converter, a sintering furnace, a rolling mill, etc. contain useful metals such as Fe, Zn, K and Na, so they are mixed with 5W30% quick lime powder and granulated to 5W70mmsize. The granules are used as a coolant when the temp. of molten metal is raised excessively in the operation of the converter, etc. The contained Fe enters molten steel, CaO is utilized to regulate the basicity of slag, and metals such as Zn are vaporized, cooled at the outside of the converter, and recovered with a dust collector.
COPYRIGHT: (C)1982,JPO&Japio
JP13212080A 1980-09-22 1980-09-22 Recovering method for useful metal from industrial waste Pending JPS5757842A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13212080A JPS5757842A (en) 1980-09-22 1980-09-22 Recovering method for useful metal from industrial waste

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13212080A JPS5757842A (en) 1980-09-22 1980-09-22 Recovering method for useful metal from industrial waste

Publications (1)

Publication Number Publication Date
JPS5757842A true JPS5757842A (en) 1982-04-07

Family

ID=15073872

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13212080A Pending JPS5757842A (en) 1980-09-22 1980-09-22 Recovering method for useful metal from industrial waste

Country Status (1)

Country Link
JP (1) JPS5757842A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100309782B1 (en) * 1997-11-29 2002-04-17 이구택 Fabrication method of sintered ore using iron-laden dust generated during ironmaking process
CN103255284A (en) * 2013-05-27 2013-08-21 南京钢铁股份有限公司 Method for processing and utilizing low-quality iron ore powder
CN109943706A (en) * 2019-03-22 2019-06-28 昆明理工大学 A method of recycling iron in low iron Bayer process red mud

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100309782B1 (en) * 1997-11-29 2002-04-17 이구택 Fabrication method of sintered ore using iron-laden dust generated during ironmaking process
CN103255284A (en) * 2013-05-27 2013-08-21 南京钢铁股份有限公司 Method for processing and utilizing low-quality iron ore powder
CN109943706A (en) * 2019-03-22 2019-06-28 昆明理工大学 A method of recycling iron in low iron Bayer process red mud
CN109943706B (en) * 2019-03-22 2020-09-29 昆明理工大学 Method for recovering iron in low-iron Bayer process red mud

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