JPS54120227A - Recovering method for zinc from zinc-containing sludge and dust - Google Patents

Recovering method for zinc from zinc-containing sludge and dust

Info

Publication number
JPS54120227A
JPS54120227A JP2850878A JP2850878A JPS54120227A JP S54120227 A JPS54120227 A JP S54120227A JP 2850878 A JP2850878 A JP 2850878A JP 2850878 A JP2850878 A JP 2850878A JP S54120227 A JPS54120227 A JP S54120227A
Authority
JP
Japan
Prior art keywords
zinc
soln
vessel
dust
sludge
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
JP2850878A
Other languages
Japanese (ja)
Inventor
Takeo Nagashima
Yasuo Hiyama
Katsura Tsuchiya
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.)
Nippon Steel Corp
Original Assignee
Nippon Steel Corp
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 Nippon Steel Corp filed Critical Nippon Steel Corp
Priority to JP2850878A priority Critical patent/JPS54120227A/en
Publication of JPS54120227A publication Critical patent/JPS54120227A/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 cheaply recover zinc from zinc-contg. dust or sludge in a high yield by extracting zinc with an aq. soln. of ammonium sulfate and adding MnO2 to the extract to allow zinc to be absorbed.
CONSTITUTION: A 0.5W10% aq. soln. of ammonium sulfate is added to waste raw material 1 of low zinc content, e.g. blast furnace dust or plating sludge charged into stirring vessel 1, followed by stirring for 10W60 min. The amt. of the slon. added is 20W1000 times as much as the amt. of material 1. The soln. separated from settled sludge in dehydrater 4 is fed to MnO2-packed exchange tower 7 through regulation vessel 6 together with the supernatant in vessel 2 to adsorption remove zinc. The filtrate is returned to tank 10, adjusted to pH≥6, and recycled. A sulfuric acid soln. of pH 1W2 is fed to tower 7 from regenerating agent vessel 8 to elute the adsorbed zinc, and the soln. is supplied to a zinc recovering process when the zinc concn. reaches several %. Dehydrated dust 5 is dried and reused as an iron source.
COPYRIGHT: (C)1979,JPO&Japio
JP2850878A 1978-03-13 1978-03-13 Recovering method for zinc from zinc-containing sludge and dust Pending JPS54120227A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2850878A JPS54120227A (en) 1978-03-13 1978-03-13 Recovering method for zinc from zinc-containing sludge and dust

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2850878A JPS54120227A (en) 1978-03-13 1978-03-13 Recovering method for zinc from zinc-containing sludge and dust

Publications (1)

Publication Number Publication Date
JPS54120227A true JPS54120227A (en) 1979-09-18

Family

ID=12250616

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2850878A Pending JPS54120227A (en) 1978-03-13 1978-03-13 Recovering method for zinc from zinc-containing sludge and dust

Country Status (1)

Country Link
JP (1) JPS54120227A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE1006647A3 (en) * 1991-01-15 1994-11-08 Bayer Ag SEPARATION PROCESS OF dioxides ZINC MANGANESE ZINC-CONTAINING.
CN105483395A (en) * 2016-01-19 2016-04-13 北京科技大学 Method for selectively and efficiently extracting zinc and removing iron from zinc-containing electric furnace dust
CN111455180A (en) * 2020-04-17 2020-07-28 昆明铂锐金属材料有限公司 Method for enriching platinum and co-producing metal aluminum from spent alumina platinum catalyst

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE1006647A3 (en) * 1991-01-15 1994-11-08 Bayer Ag SEPARATION PROCESS OF dioxides ZINC MANGANESE ZINC-CONTAINING.
CN105483395A (en) * 2016-01-19 2016-04-13 北京科技大学 Method for selectively and efficiently extracting zinc and removing iron from zinc-containing electric furnace dust
CN111455180A (en) * 2020-04-17 2020-07-28 昆明铂锐金属材料有限公司 Method for enriching platinum and co-producing metal aluminum from spent alumina platinum catalyst

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