IT1178007B - Procedimento per ottenere un concentrato di magnetite di elevata area superficiale - Google Patents

Procedimento per ottenere un concentrato di magnetite di elevata area superficiale

Info

Publication number
IT1178007B
IT1178007B IT48923/84A IT4892384A IT1178007B IT 1178007 B IT1178007 B IT 1178007B IT 48923/84 A IT48923/84 A IT 48923/84A IT 4892384 A IT4892384 A IT 4892384A IT 1178007 B IT1178007 B IT 1178007B
Authority
IT
Italy
Prior art keywords
procedure
obtaining
surface area
high surface
magnetite concentrate
Prior art date
Application number
IT48923/84A
Other languages
English (en)
Other versions
IT8448923A0 (it
Inventor
Figueiredo Joao Tavares Nei De
Carlos Cesar Peiter
Hosam Ahmed Abdallah Abd Rehim
Ponte Ielton Frederico Da
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
Publication of IT8448923A0 publication Critical patent/IT8448923A0/it
Application granted granted Critical
Publication of IT1178007B publication Critical patent/IT1178007B/it

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)
IT48923/84A 1983-09-30 1984-09-28 Procedimento per ottenere un concentrato di magnetite di elevata area superficiale IT1178007B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BR8305404A BR8305404A (pt) 1983-09-30 1983-09-30 Processo de obter concentrado de magnetita de grande area especifica

Publications (2)

Publication Number Publication Date
IT8448923A0 IT8448923A0 (it) 1984-09-28
IT1178007B true IT1178007B (it) 1987-09-03

Family

ID=4034249

Family Applications (1)

Application Number Title Priority Date Filing Date
IT48923/84A IT1178007B (it) 1983-09-30 1984-09-28 Procedimento per ottenere un concentrato di magnetite di elevata area superficiale

Country Status (6)

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

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BR8706002A (pt) * 1987-11-09 1989-05-30 Vale Do Rio Doce Co Processo para producao de oxido de ferro de alta reatividade e alta superficie especifica

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 (fr) * 1960-11-14 1961-12-29 Oxydes Francais Procédé de traitement des minerais de fer non magnétiques, en vue d'obtenir des minerais fortement ferro-magnétiques susceptibles d'être enrichis par séparation magnétique
NL276515A (it) * 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 (it) * 1970-04-20 1972-02-21 Boliden Ab

Also Published As

Publication number Publication date
GB8424562D0 (en) 1984-11-07
BR8305404A (pt) 1985-05-07
GB2147284B (en) 1986-12-17
IT8448923A0 (it) 1984-09-28
MX162691A (es) 1991-06-17
ZA847667B (en) 1986-05-28
AU3359784A (en) 1985-04-04
GB2147284A (en) 1985-05-09

Similar Documents

Publication Publication Date Title
IT1175917B (it) Procedimento per la fabbricazione di un dispositivo microminiatura
GB8328190D0 (en) Cleaning machined surface
GB8431033D0 (en) Surface cleaning device
GB8424104D0 (en) P falciparum
ES545270A0 (es) Un procedimiento para la obtencion de piridoindoles
DK471383D0 (da) Ultralyd-maleanordning
IT8321629A1 (it) Cannello per ossitaglio
FI831659A0 (fi) Tvaodelad ask
GB2120829B (en) Head cleaning cassette
IT1157343B (it) Procedimento di pulitura
DE3466136D1 (de) Rectifier device
GB8307348D0 (en) Surface inspection method
GB2131216B (en) Bunting
IT1178007B (it) Procedimento per ottenere un concentrato di magnetite di elevata area superficiale
IT1185443B (it) Apparecchio di collegamento
DK327884D0 (da) Ensretterarrangement
ES538592A0 (es) Un procedimiento de obtencion de imidazoquinolinas
AT372108B (de) Reinigungsmittel
ES544216A0 (es) Un procedimiento para la obtencion de imidazotiadiazolal- quen-carboxiamidas
GB8315867D0 (en) Load-transporting/positioning arrangements
GB8431283D0 (en) Surface vibrator
GB8329268D0 (en) Ultrasonic inspection
KR840006370U (ko) 자기 헤드
RO88417A2 (ro) Procedeu de obtinere a adiponitrilului
IT1172709B (it) Macchina per sabbiatura

Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19930831