ES374367A1 - A procedure to toast a sulfurous ferrero material. (Machine-translation by Google Translate, not legally binding) - Google Patents

A procedure to toast a sulfurous ferrero material. (Machine-translation by Google Translate, not legally binding)

Info

Publication number
ES374367A1
ES374367A1 ES374367A ES374367A ES374367A1 ES 374367 A1 ES374367 A1 ES 374367A1 ES 374367 A ES374367 A ES 374367A ES 374367 A ES374367 A ES 374367A ES 374367 A1 ES374367 A1 ES 374367A1
Authority
ES
Spain
Prior art keywords
translation
machine
legally binding
google translate
ferrero
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.)
Expired
Application number
ES374367A
Other languages
Spanish (es)
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.)
Boliden AB
Original Assignee
Boliden AB
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 Boliden AB filed Critical Boliden AB
Publication of ES374367A1 publication Critical patent/ES374367A1/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B1/00Preliminary treatment of ores or scrap
    • C22B1/02Roasting processes
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B17/00Sulfur; Compounds thereof
    • C01B17/48Sulfur dioxide; Sulfurous acid
    • C01B17/50Preparation of sulfur dioxide
    • C01B17/52Preparation of sulfur dioxide by roasting sulfides
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01GCOMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G49/00Compounds of iron
    • C01G49/02Oxides; Hydroxides
    • C01G49/08Ferroso-ferric oxide [Fe3O4]
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B1/00Preliminary treatment of ores or scrap
    • C22B1/02Roasting processes
    • C22B1/10Roasting processes in fluidised form
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B1/00Preliminary treatment of ores or scrap
    • C22B1/14Agglomerating; Briquetting; Binding; Granulating

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Inorganic Chemistry (AREA)
  • Compounds Of Iron (AREA)
  • Glass Compositions (AREA)

Abstract

A method for toasting a sulphurous ferrous material, such as raw pyrites in grain and flotation concentrate, in two stages in turbulent layer bed reaction devices, with the material being roasted in the first stage to at least 5% residual sulfur, and preferably at least about 15% and at most about 38% residual sulfur, at a temperature of more than 800º c, and preferably of more than 900º c, characterized in that the material is then transferred, still hot, to a second stage and roasted to substantially magnetite, in a known manner, at a temperature lower than that of the first stage, between 700 and 850º c, after which the material is optionally magnetically enriched. (Machine-translation by Google Translate, not legally binding)
ES374367A 1969-01-09 1969-12-09 A procedure to toast a sulfurous ferrero material. (Machine-translation by Google Translate, not legally binding) Expired ES374367A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE26069A SE346703B (en) 1969-01-09 1969-01-09

Publications (1)

Publication Number Publication Date
ES374367A1 true ES374367A1 (en) 1972-01-01

Family

ID=20256277

Family Applications (1)

Application Number Title Priority Date Filing Date
ES374367A Expired ES374367A1 (en) 1969-01-09 1969-12-09 A procedure to toast a sulfurous ferrero material. (Machine-translation by Google Translate, not legally binding)

Country Status (7)

Country Link
BE (1) BE744189A (en)
DE (1) DE2000085C3 (en)
ES (1) ES374367A1 (en)
FR (1) FR2028020A1 (en)
NL (1) NL7000100A (en)
SE (1) SE346703B (en)
SU (1) SU571198A3 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE8303184L (en) * 1983-06-06 1984-12-07 Boliden Ab PROCEDURE FOR THE PREPARATION OF COPPER MELT MATERIALS AND SIMILAR MATERIALS CONTAINING HIGH CONTAINERS ARSENIK AND / OR ANTIMON
RU2031966C1 (en) * 1992-11-30 1995-03-27 Беренштейн Михаил Александрович Method for producing metals, their compounds and alloys of mineral raw materials
FI122946B (en) 2011-02-21 2012-09-14 Outotec Oyj Method of roasting nickel sulfide
WO2023242465A1 (en) * 2022-06-17 2023-12-21 Metso Metals Oy Method and arrangement for treating fine tailings

Also Published As

Publication number Publication date
DE2000085A1 (en) 1970-08-06
FR2028020A1 (en) 1970-10-02
NL7000100A (en) 1970-07-13
SU571198A3 (en) 1977-08-30
DE2000085C3 (en) 1980-12-11
BE744189A (en) 1970-06-15
SE346703B (en) 1972-07-17
DE2000085B2 (en) 1980-04-17

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19910916