ES8101517A1 - Mejoras en un procedimiento para la produccion de una magne-tita romboedrica sintetica - Google Patents

Mejoras en un procedimiento para la produccion de una magne-tita romboedrica sintetica

Info

Publication number
ES8101517A1
ES8101517A1 ES488433A ES488433A ES8101517A1 ES 8101517 A1 ES8101517 A1 ES 8101517A1 ES 488433 A ES488433 A ES 488433A ES 488433 A ES488433 A ES 488433A ES 8101517 A1 ES8101517 A1 ES 8101517A1
Authority
ES
Spain
Prior art keywords
magnetite
rhombohedral
synthetic
microns
temperature
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
ES488433A
Other languages
English (en)
Other versions
ES488433A0 (es
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.)
Pfizer Inc
Original Assignee
Pfizer Inc
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 Inc filed Critical Pfizer Inc
Publication of ES488433A0 publication Critical patent/ES488433A0/es
Publication of ES8101517A1 publication Critical patent/ES8101517A1/es
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
    • 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
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/58—Treatment of water, waste water, or sewage by removing specified dissolved compounds
    • C02F1/62—Heavy metal compounds
    • C02F1/64—Heavy metal compounds of iron or manganese
    • C02F1/645—Devices for iron precipitation and treatment by air
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00—Multistage treatment of water, waste water or sewage
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09C—TREATMENT 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
    • C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
    • C09C1/22—Compounds of iron
    • C09C1/24—Oxides of iron
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/30—Particle morphology extending in three dimensions
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/60—Particles characterised by their size
    • C01P2004/61—Micrometer sized, i.e. from 1-100 micrometer
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/60—Particles characterised by their size
    • C01P2004/62—Submicrometer sized, i.e. from 0.1-1 micrometer
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/60—Particles characterised by their size
    • C01P2004/64—Nanometer sized, i.e. from 1-100 nanometer
    • 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
    • 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
    • C01P2006/60—Optical properties, e.g. expressed in CIELAB-values
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/02—Treatment of water, waste water, or sewage by heating
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/72—Treatment of water, waste water, or sewage by oxidation
    • C02F1/74—Treatment of water, waste water, or sewage by oxidation with air
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00—Nature of the contaminant
    • C02F2101/10—Inorganic compounds
    • C02F2101/20—Heavy metals or heavy metal compounds
    • C02F2101/203—Iron or iron compound
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/02—Temperature

Abstract

PROCEDIMIENTO DE OBTENCION DE UNA MAGNETITA ROMBOEDRICA SINTETICA. CONSTA DE LAS SIGUIENTES OPERACIONES: 1) MEZCLAR UNA SOLUCION DE CLORURO FERROSO CON UNA CONCENTRACION DE ION FERROSO COMPRENDIDA ENTRE 0,9 Y 2,4 MOLES/LITRO, CON UNA CANTIDAD ESTEQUIOMETRICA DE ION CARBONATO. 2) CALENTAR LA MEZCLA ENTRE 70 Y 90GC APROXIMADAMENTE. 3) AIREAR LA MEZCLA PARA QUE SE PRODUZCA LA REACCION DE OXIDACION DEL HIERRO A MAGNETITA CON UNA RELACION DE FE ELEVADO A ++/FE ELEVADO A ++ Y FE ELEVADO A +++ TOTAL DE 0,25 A 0,38 APROXIMADAMENTE. 4) RECUPERACION DE LA MAGNETITA PRODUCIDA. EL CARBONATO EMPLEADO SON PARTICULAS DE UN TAMAÑO INFERIOR A 3,5 MICRAS. LA MAGNETITA ES CALCINADA A UNA TEMPERATURA DE 650 A 925GC EN PRESENCIA DE OXIGENO, PARA PRODUCIR OXIDO FERRICO ALFA. R
ES488433A 1979-02-09 1980-02-08 Mejoras en un procedimiento para la produccion de una magne-tita romboedrica sintetica Expired ES8101517A1 (es)

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 (2)

Publication Number Publication Date
ES488433A0 ES488433A0 (es) 1980-12-16
ES8101517A1 true ES8101517A1 (es) 1980-12-16

Family

ID=26681426

Family Applications (1)

Application Number Title Priority Date Filing Date
ES488433A Expired ES8101517A1 (es) 1979-02-09 1980-02-08 Mejoras en un procedimiento para la produccion de una magne-tita romboedrica sintetica

Country Status (14)

Country Link
KR (1) KR830001565B1 (es)
AR (1) AR224757A1 (es)
AU (1) AU516998B2 (es)
BR (1) BR8000787A (es)
CA (1) CA1149582A (es)
DE (1) DE3004718C2 (es)
ES (1) ES8101517A1 (es)
FR (1) FR2448559A1 (es)
GB (1) GB2040904B (es)
IT (1) IT1147301B (es)
MX (1) MX154219A (es)
NL (1) NL181190C (es)
NO (1) NO156489C (es)
SE (1) SE445209B (es)

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
US3261665A (en) * 1962-11-05 1966-07-19 Du Pont Process for the treatment of waste sulfuric acid pickle liquor
DE1263452B (de) * 1962-11-05 1968-03-14 Du Pont Verfahren zum Aufarbeiten von verbrauchten Beizloesungen
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
KR830001815A (ko) 1983-05-19
ES488433A0 (es) 1980-12-16
NL181190C (nl) 1987-07-01
SE8001030L (sv) 1980-08-10
FR2448559B1 (es) 1983-12-09
KR830001565B1 (ko) 1983-08-12
GB2040904A (en) 1980-09-03
GB2040904B (en) 1983-01-06
NO800345L (no) 1980-08-11
NO156489B (no) 1987-06-22
IT8019809A0 (it) 1980-02-08
NL181190B (nl) 1987-02-02
IT1147301B (it) 1986-11-19
MX154219A (es) 1987-06-19
DE3004718C2 (de) 1984-07-05
AR224757A1 (es) 1982-01-15
AU516998B2 (en) 1981-07-02
FR2448559A1 (fr) 1980-09-05
BR8000787A (pt) 1980-10-21
SE445209B (sv) 1986-06-09
NO156489C (no) 1987-09-30
NL8000795A (nl) 1980-08-12
CA1149582A (en) 1983-07-12
AU5538380A (en) 1980-08-14
DE3004718A1 (de) 1980-08-14

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