BR8305404A - PROCESS OF OBTAINING A LARGE SPECIFIC MAGNETITE CONCENTRATE - Google Patents

PROCESS OF OBTAINING A LARGE SPECIFIC MAGNETITE CONCENTRATE

Info

Publication number
BR8305404A
BR8305404A BR8305404A BR8305404A BR8305404A BR 8305404 A BR8305404 A BR 8305404A BR 8305404 A BR8305404 A BR 8305404A BR 8305404 A BR8305404 A BR 8305404A BR 8305404 A BR8305404 A BR 8305404A
Authority
BR
Brazil
Prior art keywords
obtaining
large specific
magnetite concentrate
specific magnetite
concentrate
Prior art date
Application number
BR8305404A
Other languages
Portuguese (pt)
Inventor
Joao Tavares Neiva Figueiredo
Carlos Cesar Peiter
Hosam Ahmed Abdallah Abd Rehim
Ielton Frederico Da Ponte
Original Assignee
Petroleo Brasileiro Sa
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 Petroleo Brasileiro Sa filed Critical Petroleo Brasileiro Sa
Priority to BR8305404A priority Critical patent/BR8305404A/en
Priority to MX202760A priority patent/MX162691A/en
Priority to AU33597/84A priority patent/AU3359784A/en
Priority to IT48923/84A priority patent/IT1178007B/en
Priority to ZA847667A priority patent/ZA847667B/en
Priority to GB08424562A priority patent/GB2147284B/en
Publication of BR8305404A publication Critical patent/BR8305404A/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/06—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising oxides or hydroxides of metals not provided for in group B01J20/04
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C1/00—Magnetic separation
    • B03C1/005—Pretreatment specially adapted for magnetic separation
    • B03C1/015—Pretreatment specially adapted for magnetic separation by chemical treatment imparting magnetic properties to the material to be separated, e.g. roasting, reduction, oxidation
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G49/00—Compounds of iron
    • C01G49/02—Oxides; Hydroxides
    • C01G49/08—Ferroso-ferric oxide [Fe3O4]
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/12—Surface area

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Treating Waste Gases (AREA)
BR8305404A 1983-09-30 1983-09-30 PROCESS OF OBTAINING A LARGE SPECIFIC MAGNETITE CONCENTRATE BR8305404A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
BR8305404A BR8305404A (en) 1983-09-30 1983-09-30 PROCESS OF OBTAINING A LARGE SPECIFIC MAGNETITE CONCENTRATE
MX202760A MX162691A (en) 1983-09-30 1984-09-18 METHOD FOR OBTAINING A MAGNETITE CONCENTRATE WITH A LARGE SURFACE AREA
AU33597/84A AU3359784A (en) 1983-09-30 1984-09-27 Process to obtain high surface area magnetite concentrate
IT48923/84A IT1178007B (en) 1983-09-30 1984-09-28 PROCEDURE FOR OBTAINING A HIGH SURFACE AREA MAGNETITE CONCENTRATE
ZA847667A ZA847667B (en) 1983-09-30 1984-09-28 Process to obtain high surface area magnetite concentrate
GB08424562A GB2147284B (en) 1983-09-30 1984-09-28 Process for obtaining a high surface area magnetite concentrate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BR8305404A BR8305404A (en) 1983-09-30 1983-09-30 PROCESS OF OBTAINING A LARGE SPECIFIC MAGNETITE CONCENTRATE

Publications (1)

Publication Number Publication Date
BR8305404A true BR8305404A (en) 1985-05-07

Family

ID=4034249

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8305404A BR8305404A (en) 1983-09-30 1983-09-30 PROCESS OF OBTAINING A LARGE SPECIFIC MAGNETITE CONCENTRATE

Country Status (6)

Country Link
AU (1) AU3359784A (en)
BR (1) BR8305404A (en)
GB (1) GB2147284B (en)
IT (1) IT1178007B (en)
MX (1) MX162691A (en)
ZA (1) ZA847667B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BR8706002A (en) * 1987-11-09 1989-05-30 Vale Do Rio Doce Co PROCESS FOR THE PRODUCTION OF HIGH REACTIVITY IRON OXIDE AND SPECIFIC HIGH SURFACE

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB279797A (en) * 1926-10-28 1928-07-19 Ferriconcentrat Ab Method of enriching oxide iron-ores, flue dust from blast furnaces, burnt pyrites, purple-ore and the like
GB442437A (en) * 1934-07-30 1936-01-30 Brodde Erik Fjalar Rhodin Improvements in manufacture of sulphur dioxide
GB469328A (en) * 1936-01-22 1937-07-22 Herman Alexander Brassert Improvements in and relating to the treatment of iron ores for subsequent reduction
GB496999A (en) * 1936-05-07 1938-12-07 Metallgesellschaft Ag Process for dressing iron ores
FR1279982A (en) * 1960-11-14 1961-12-29 Oxydes Francais Process for the treatment of non-magnetic iron ores, with a view to obtaining strongly ferro-magnetic ores capable of being enriched by magnetic separation
NL276515A (en) * 1961-03-28 1900-01-01
GB1061772A (en) * 1963-03-26 1967-03-15 Aux De La Ind S A Empresa A process for the roasting of pyrites with the simultaneous reduction of ferric oxides to magnetite in a fluidized bed
US3323900A (en) * 1964-08-13 1967-06-06 Fuji Iron & Steel Co Ltd Process for treatment of iron oxide ores containing nickel, chromium and cobalt
US3361557A (en) * 1965-03-22 1968-01-02 R N Corp Processes for direct reduction of ironbearing ores, slags and the like
SE342838B (en) * 1970-04-20 1972-02-21 Boliden Ab

Also Published As

Publication number Publication date
IT8448923A0 (en) 1984-09-28
AU3359784A (en) 1985-04-04
GB8424562D0 (en) 1984-11-07
GB2147284A (en) 1985-05-09
ZA847667B (en) 1986-05-28
IT1178007B (en) 1987-09-03
GB2147284B (en) 1986-12-17
MX162691A (en) 1991-06-17

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Legal Events

Date Code Title Description
B21A Patent or certificate of addition expired [chapter 21.1 patent gazette]

Free format text: PATENTE EXTINTA EM 30/09/98