JPS534705A - Wet process treatment of blast furnace secondary ash - Google Patents

Wet process treatment of blast furnace secondary ash

Info

Publication number
JPS534705A
JPS534705A JP7863176A JP7863176A JPS534705A JP S534705 A JPS534705 A JP S534705A JP 7863176 A JP7863176 A JP 7863176A JP 7863176 A JP7863176 A JP 7863176A JP S534705 A JPS534705 A JP S534705A
Authority
JP
Japan
Prior art keywords
blast furnace
secondary ash
wet process
process treatment
furnace secondary
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
JP7863176A
Other languages
Japanese (ja)
Inventor
Toshio Kozaki
Saneo Aida
Kiyoaki Nakamura
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.)
TETSUHARA KK
Nippon Steel Corp
Original Assignee
TETSUHARA KK
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 TETSUHARA KK, Nippon Steel Corp filed Critical TETSUHARA KK
Priority to JP7863176A priority Critical patent/JPS534705A/en
Publication of JPS534705A publication Critical patent/JPS534705A/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

  • Inorganic Compounds Of Heavy Metals (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Compounds Of Iron (AREA)

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.
COPYRIGHT: (C)1978,JPO&Japio
JP7863176A 1976-07-02 1976-07-02 Wet process treatment of blast furnace secondary ash Pending JPS534705A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7863176A JPS534705A (en) 1976-07-02 1976-07-02 Wet process treatment of blast furnace secondary ash

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7863176A JPS534705A (en) 1976-07-02 1976-07-02 Wet process treatment of blast furnace secondary ash

Publications (1)

Publication Number Publication Date
JPS534705A true JPS534705A (en) 1978-01-17

Family

ID=13667212

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7863176A Pending JPS534705A (en) 1976-07-02 1976-07-02 Wet process treatment of blast furnace secondary ash

Country Status (1)

Country Link
JP (1) JPS534705A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59166635A (en) * 1983-03-11 1984-09-20 Nippon Mining Co Ltd Dust treatment
JP2020056089A (en) * 2018-10-04 2020-04-09 Ｊｆｅスチール株式会社 Method for treating iron-containing dust

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59166635A (en) * 1983-03-11 1984-09-20 Nippon Mining Co Ltd Dust treatment
JPS6364502B2 (en) * 1983-03-11 1988-12-12
JP2020056089A (en) * 2018-10-04 2020-04-09 Ｊｆｅスチール株式会社 Method for treating iron-containing dust

Similar Documents

Publication Publication Date Title
JPS54152615A (en) Suspended layer type direct reduction iron making process
JPS5232896A (en) Improved wet recovery process of sulfur in the waste gas as gypsum wit h lime
JPS526153A (en) Heat recovery process of melting furnace sediment
JPS534705A (en) Wet process treatment of blast furnace secondary ash
JPS5285095A (en) Treatment of f-contg. ammoniac waste liquor
JPS5248284A (en) Method of treatment of clinker ash from solid fuel furnace
JPS5339286A (en) Regenerating method for iron oxide removing agent
JPS5381404A (en) Treating method for blast furnace dust
JPS52156713A (en) Treatment of steel making slag
JPS52127064A (en) Production of semiconductor
JPS5659622A (en) Removing method for selenium from selenium-containing sodium sulfate
JPS5226395A (en) Process for production of active carbon
JPS5223567A (en) Process for treatment of exhaust gases evolved in incineration furnace s, etc.
JPS5335676A (en) Rapid treating method for dust
JPS51111412A (en) Wet method of treatment of dust from iron industry
JPS5219108A (en) Blast furnace operation method
JPS5354112A (en) Production of high purity pig iron for nodular graphite cast iron
JPS5218492A (en) Regeneration furnace of active carbon
JPS5329296A (en) Treating method for blast furnace ballast
JPS5383916A (en) Reducing system for iron oxide
JPS5395896A (en) Treating method for iron-containing sludge
JPS5395109A (en) Controlling method for temperature of rotary kiln
JPS53125300A (en) Treating method for by-product ammonium sulfate
JPS5326702A (en) Treating method for gypsum obtained in neutralization of pickling solution
JPS5249905A (en) Method of preliminary treatment of raw material to be sintered