[go: up one dir, main page]

GB2147284B - Process for obtaining a high surface area magnetite concentrate - Google Patents

Process for obtaining a high surface area magnetite concentrate

Info

Publication number
GB2147284B
GB2147284B GB08424562A GB8424562A GB2147284B GB 2147284 B GB2147284 B GB 2147284B GB 08424562 A GB08424562 A GB 08424562A GB 8424562 A GB8424562 A GB 8424562A GB 2147284 B GB2147284 B GB 2147284B
Authority
GB
United Kingdom
Prior art keywords
obtaining
surface area
high surface
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.)
Expired
Application number
GB08424562A
Other versions
GB2147284A (en
GB8424562D0 (en
Inventor
Figueiredo Joao Tavares Nei De
Carlos Cesar Peiter
Hosam Ahmed Abdallah Abd Rehim
Ponte Ielton Frederico Da
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

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/06Solid 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B03SEPARATION 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
    • B03CMAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C1/00Magnetic separation
    • B03C1/005Pretreatment specially adapted for magnetic separation
    • B03C1/015Pretreatment specially adapted for magnetic separation by chemical treatment imparting magnetic properties to the material to be separated, e.g. roasting, reduction, oxidation
    • 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
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00Physical properties of inorganic compounds
    • C01P2006/12Surface 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 GB8424562D0 (en) 1984-11-07
GB2147284A GB2147284A (en) 1985-05-09
GB2147284B true 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
AU3359784A (en) 1985-04-04
IT1178007B (en) 1987-09-03
MX162691A (en) 1991-06-17
IT8448923A0 (en) 1984-09-28
BR8305404A (en) 1985-05-07
ZA847667B (en) 1986-05-28
GB2147284A (en) 1985-05-09
GB8424562D0 (en) 1984-11-07

Similar Documents

Publication Publication Date Title
GB2147839B (en) Electromagnetic forming apparatus
GB8331793D0 (en) Process
GB8402380D0 (en) Welding process
GB8529068D0 (en) Embossing process
GB8429408D0 (en) Process
DE3461605D1 (en) Apparatus for forming diverse shapes
ZA846935B (en) Carpet seaming apparatus
YU215284A (en) Process for obtaining 7-acylamino-9a-metoximitosane
GB8307348D0 (en) Surface inspection method
YU187584A (en) Process for obtaining chlorothiophormiate
GB2145036B (en) Embossing apparatus
ZA833626B (en) Process for minerals
GB2147284B (en) Process for obtaining a high surface area magnetite concentrate
GB8306958D0 (en) Weld upset removal
GB8405792D0 (en) Flotation method
GB2137426B (en) Inductive apparatus
GB2149399B (en) A process for the preparation of 2-hydroxy-5-1-hydroxy-2-(4phenyl-2-bukyl)-amine-ethyl-benzamide
YU44992B (en) Process for obtaining 2-halogenresorcynol
GB8507999D0 (en) Embossing apparatus
GB8320222D0 (en) Process ii
GB2133723B (en) Apparatus for forming a curved beam
ZA84915B (en) Inductive apparatus
PT77034B (en) Process for the preparation of a phenylalkylaminoethylsalicylamide
PT77944B (en) Process
GB2138727B (en) Slotting apparatus

Legal Events

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

Effective date: 19940928