BR8000787A - Processo para produzir uma magnetita sintetica romboedrica,e magnetita assim obtida - Google Patents

Processo para produzir uma magnetita sintetica romboedrica,e magnetita assim obtida

Info

Publication number
BR8000787A
BR8000787A BR8000787A BR8000787A BR8000787A BR 8000787 A BR8000787 A BR 8000787A BR 8000787 A BR8000787 A BR 8000787A BR 8000787 A BR8000787 A BR 8000787A BR 8000787 A BR8000787 A BR 8000787A
Authority
BR
Brazil
Prior art keywords
magnetite
romboedrica
produce
synthetic
synthetic magnetite
Prior art date
Application number
BR8000787A
Other languages
English (en)
Inventor
E Mayer
Original Assignee
Pfizer
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 Pfizer filed Critical Pfizer
Publication of BR8000787A publication Critical patent/BR8000787A/pt

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B82NANOTECHNOLOGY
    • B82YSPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y30/00Nanotechnology for materials or surface science, e.g. nanocomposites
    • 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
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/58Treatment of water, waste water, or sewage by removing specified dissolved compounds
    • C02F1/62Heavy metal compounds
    • C02F1/64Heavy metal compounds of iron or manganese
    • C02F1/645Devices for iron precipitation and treatment by air
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00Multistage treatment of water, waste water or sewage
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09CTREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK  ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
    • C09C1/00Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
    • C09C1/22Compounds of iron
    • C09C1/24Oxides of iron
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00Particle morphology
    • C01P2004/30Particle morphology extending in three dimensions
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00Particle morphology
    • C01P2004/60Particles characterised by their size
    • C01P2004/61Micrometer sized, i.e. from 1-100 micrometer
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00Particle morphology
    • C01P2004/60Particles characterised by their size
    • C01P2004/62Submicrometer sized, i.e. from 0.1-1 micrometer
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00Particle morphology
    • C01P2004/60Particles characterised by their size
    • C01P2004/64Nanometer sized, i.e. from 1-100 nanometer
    • 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
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00Physical properties of inorganic compounds
    • C01P2006/60Optical properties, e.g. expressed in CIELAB-values
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/02Treatment of water, waste water, or sewage by heating
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/72Treatment of water, waste water, or sewage by oxidation
    • C02F1/74Treatment of water, waste water, or sewage by oxidation with air
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00Nature of the contaminant
    • C02F2101/10Inorganic compounds
    • C02F2101/20Heavy metals or heavy metal compounds
    • C02F2101/203Iron or iron compound
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00Controlling or monitoring parameters in water treatment
    • C02F2209/02Temperature
BR8000787A 1979-02-09 1980-02-08 Processo para produzir uma magnetita sintetica romboedrica,e magnetita assim obtida BR8000787A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US1064779A 1979-02-09 1979-02-09
US7562879A 1979-09-14 1979-09-14

Publications (1)

Publication Number Publication Date
BR8000787A true BR8000787A (pt) 1980-10-21

Family

ID=26681426

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8000787A BR8000787A (pt) 1979-02-09 1980-02-08 Processo para produzir uma magnetita sintetica romboedrica,e magnetita assim obtida

Country Status (14)

Country Link
KR (1) KR830001565B1 (pt)
AR (1) AR224757A1 (pt)
AU (1) AU516998B2 (pt)
BR (1) BR8000787A (pt)
CA (1) CA1149582A (pt)
DE (1) DE3004718C2 (pt)
ES (1) ES488433A0 (pt)
FR (1) FR2448559A1 (pt)
GB (1) GB2040904B (pt)
IT (1) IT1147301B (pt)
MX (1) MX154219A (pt)
NL (1) NL181190C (pt)
NO (1) NO156489C (pt)
SE (1) SE445209B (pt)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3500470A1 (de) * 1985-01-09 1986-07-10 Bayer Ag, 5090 Leverkusen Verfahren zur herstellung heller farbreiner eisenoxidrotpigmente
DE3500471A1 (de) * 1985-01-09 1986-07-10 Bayer Ag, 5090 Leverkusen Verfahren zur herstellung von isometrischen magnetischen eisenoxidpigmenten
US5518633A (en) * 1994-10-21 1996-05-21 E. I. Du Pont De Nemours And Company Process for treating aqueous media containing metal ions
DE19919791A1 (de) 1999-04-30 2000-11-02 Bayer Ag Verfahren zur Herstellung von Fällungsmagnetiten
DE10043492A1 (de) 2000-09-01 2002-03-14 Bayer Ag Verwendung von Magnetteilchen und Verfahren zu deren Herstellung
DE10044397A1 (de) 2000-09-08 2002-03-21 Bayer Ag Magnetite und deren Verwendung bei der Herstellung von Tonern
DE10101769A1 (de) 2001-01-17 2002-07-18 Bayer Ag Verfahren zur Herstellung von Magnetitteilchen
US6800260B2 (en) * 2002-02-11 2004-10-05 Millennium Inorganic Chemicals, Inc. Processes for treating iron-containing waste streams
DE10209150A1 (de) 2002-03-01 2003-09-11 Bayer Ag Verfahren zur Herstellung von Magnetitteilchen und deren Verwendung

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB190905618A (en) * 1909-03-09 1910-01-13 John Gill Improvements in the Manufacture of Ferric Oxide.
US1269442A (en) * 1917-11-10 1918-06-11 Addison F Hoffman Process of producing by-products from waste pickle liquor.
US1824936A (en) * 1928-06-30 1931-09-29 Ohio Sanitary Engineering Corp Process for purifying industrial waste liquors
DE900257C (de) * 1938-08-11 1953-12-21 Bayer Ag Herstellung schwarzer Eisenoxydpigmente
DE1263452B (de) * 1962-11-05 1968-03-14 Du Pont Verfahren zum Aufarbeiten von verbrauchten Beizloesungen
US3261665A (en) * 1962-11-05 1966-07-19 Du Pont Process for the treatment of waste sulfuric acid pickle liquor
US3434797A (en) * 1967-07-27 1969-03-25 Du Pont Process for treatment of hydrochloric acid waste pickle liquor
GB1218601A (en) * 1968-01-01 1971-01-06 Unifloc Ltd Disposal of waste liquors from pickling processes
US3617560A (en) * 1969-09-17 1971-11-02 Us Interior Limestone neutralization of dilute acid waste waters
US3617562A (en) * 1970-05-08 1971-11-02 Allen Cywin Neutralization of ferrous iron-containing acid wastes
US3927173A (en) * 1974-02-22 1975-12-16 Armco Steel Corp Treatment of acid waste waters to produce ferromagnetic sludges
DE2518283C3 (de) * 1975-04-24 1979-02-15 Bayer Ag, 5090 Leverkusen Verfahren zur Herstellung von Eisenoxidschwarzpigmenten
AU512846B2 (en) * 1976-07-02 1980-10-30 Toledo Pickling and Steel Service, Inc System for the regeneration of waste hydrochloric acid pickle liquor

Also Published As

Publication number Publication date
ES8101517A1 (es) 1980-12-16
NO156489C (no) 1987-09-30
FR2448559A1 (fr) 1980-09-05
CA1149582A (en) 1983-07-12
DE3004718A1 (de) 1980-08-14
NL181190B (nl) 1987-02-02
MX154219A (es) 1987-06-19
AR224757A1 (es) 1982-01-15
KR830001815A (ko) 1983-05-19
ES488433A0 (es) 1980-12-16
NO156489B (no) 1987-06-22
NL181190C (nl) 1987-07-01
IT1147301B (it) 1986-11-19
KR830001565B1 (ko) 1983-08-12
AU5538380A (en) 1980-08-14
IT8019809A0 (it) 1980-02-08
GB2040904B (en) 1983-01-06
DE3004718C2 (de) 1984-07-05
SE8001030L (sv) 1980-08-10
NO800345L (no) 1980-08-11
SE445209B (sv) 1986-06-09
NL8000795A (nl) 1980-08-12
AU516998B2 (en) 1981-07-02
FR2448559B1 (pt) 1983-12-09
GB2040904A (en) 1980-09-03

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