GB8424562D0 - Obtaining high surface area magnetite concentrate - Google Patents

Obtaining high surface area magnetite concentrate

Info

Publication number
GB8424562D0
GB8424562D0 GB848424562A GB8424562A GB8424562D0 GB 8424562 D0 GB8424562 D0 GB 8424562D0 GB 848424562 A GB848424562 A GB 848424562A GB 8424562 A GB8424562 A GB 8424562A GB 8424562 D0 GB8424562 D0 GB 8424562D0
Authority
GB
United Kingdom
Prior art keywords
surface area
high surface
obtaining high
magnetite concentrate
area magnetite
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.)
Granted
Application number
GB848424562A
Other versions
GB2147284A (en
GB2147284B (en
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.)
Petroleo Brasileiro SA Petrobras
Original Assignee
Petroleo Brasileiro SA Petrobras
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 Petrobras filed Critical Petroleo Brasileiro SA Petrobras
Publication of GB8424562D0 publication Critical patent/GB8424562D0/en
Publication of GB2147284A publication Critical patent/GB2147284A/en
Application granted granted Critical
Publication of GB2147284B publication Critical patent/GB2147284B/en
Expired legal-status Critical Current

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)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Treating Waste Gases (AREA)
GB08424562A 1983-09-30 1984-09-28 Process for obtaining a high surface area magnetite concentrate Expired GB2147284B (en)

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 (3)

Publication Number Publication Date
GB8424562D0 true GB8424562D0 (en) 1984-11-07
GB2147284A GB2147284A (en) 1985-05-09
GB2147284B GB2147284B (en) 1986-12-17

Family

ID=4034249

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08424562A Expired GB2147284B (en) 1983-09-30 1984-09-28 Process for obtaining a high surface area 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
GB2147284A (en) 1985-05-09
IT1178007B (en) 1987-09-03
IT8448923A0 (en) 1984-09-28
GB2147284B (en) 1986-12-17
MX162691A (en) 1991-06-17
ZA847667B (en) 1986-05-28
AU3359784A (en) 1985-04-04
BR8305404A (en) 1985-05-07

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19940928