ES2085460T3 - Un metodo para purificar oxido de hierro. - Google Patents

Un metodo para purificar oxido de hierro.

Info

Publication number
ES2085460T3
ES2085460T3 ES91850285T ES91850285T ES2085460T3 ES 2085460 T3 ES2085460 T3 ES 2085460T3 ES 91850285 T ES91850285 T ES 91850285T ES 91850285 T ES91850285 T ES 91850285T ES 2085460 T3 ES2085460 T3 ES 2085460T3
Authority
ES
Spain
Prior art keywords
iron oxide
purifying iron
purifying
lixibation
alcali
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 - Lifetime
Application number
ES91850285T
Other languages
English (en)
Inventor
Jonas Svensson
Bo Zander
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.)
Sydvaranger AS
Original Assignee
Sydvaranger AS
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 Sydvaranger AS filed Critical Sydvaranger AS
Application granted granted Critical
Publication of ES2085460T3 publication Critical patent/ES2085460T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • C01G49/06—Ferric oxide (Fe2O3)
    • 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
    • C01P2006/80—Compositional purity

Abstract

SE DESCRIBE UN METODO PARA PURIFICAR OXIDO DE HIERRO, POR EJ., EN LA FORMA DE MAGNETITA O HEMATITA, QUE PREFERIBLEMENTE CONTENGA CUARZO COMO IMPUREZA. EL METODO COMPRENDE LA CALCINACION DEL OXIDO DE HIERRO JUNTO CON CARBONATO DE ALCALI Y LA POSTERIOR LIXIBACION CON UNA SOLUCION ACUOSA DEBIL DE UN ACIDO O UNA MEZCLA DE ACIDOS.
ES91850285T 1990-11-22 1991-11-19 Un metodo para purificar oxido de hierro. Expired - Lifetime ES2085460T3 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NO905062A NO171307C (no) 1990-11-22 1990-11-22 Fremgangsmaate for rensing av jernoksyd
US07/941,407 US5312602A (en) 1990-11-22 1992-09-08 Method for purifying iron oxide

Publications (1)

Publication Number Publication Date
ES2085460T3 true ES2085460T3 (es) 1996-06-01

Family

ID=26648253

Family Applications (1)

Application Number Title Priority Date Filing Date
ES91850285T Expired - Lifetime ES2085460T3 (es) 1990-11-22 1991-11-19 Un metodo para purificar oxido de hierro.

Country Status (11)

Country Link
US (1) US5312602A (es)
EP (1) EP0487479B1 (es)
JP (1) JPH06183749A (es)
AT (1) ATE136010T1 (es)
BR (1) BR9105083A (es)
DE (1) DE69118326T2 (es)
DK (1) DK0487479T3 (es)
ES (1) ES2085460T3 (es)
FI (1) FI100965B (es)
GR (1) GR3020214T3 (es)
NO (1) NO171307C (es)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6098810A (en) * 1998-06-26 2000-08-08 Pueblo Process, Llc Flotation process for separating silica from feldspar to form a feed material for making glass
US7353423B2 (en) * 2004-09-24 2008-04-01 International Business Machines Corporation System and method for improving the performance of operations requiring parity reads in a storage array system
US10192660B2 (en) * 2010-07-02 2019-01-29 Sri Lanka Institute of Nanotechnology (Pvt) Ltd. Process for preparation of nanoparticles from magnetite ore
CN107572596B (zh) * 2017-09-14 2020-02-18 武汉科技大学 一种高磷鲕状赤铁矿制备高纯氧化铁红的方法
CN113479938A (zh) * 2021-07-02 2021-10-08 内蒙古科技大学 利用铁氧化物制备高纯氧化铁的方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2875039A (en) * 1955-08-26 1959-02-24 Columbia Southern Chem Corp Method of leaching unreduced ironcontaining titaniferous ores
GB1162431A (en) * 1967-03-03 1969-08-27 Trevor Frederick Moss Improvements in or relating to Extensible Coiled Airlines
CA907864A (en) * 1970-07-28 1972-08-22 L. Cavanagh Raymond Method of liberating silica from iron ore
SU804679A1 (ru) * 1979-04-11 1981-02-15 Всесоюзный Научно-Исследовательскийи Проектный Институт Галургии Способ получени железоокисныхпигМЕНТОВ и СульфАТОВ щЕлОчНыХ ME-ТАллОВ
DE3711371A1 (de) * 1987-04-04 1988-10-20 Metallgesellschaft Ag Verfahren zur gewinnung von v(pfeil abwaerts)2(pfeil abwaerts)o(pfeil abwaerts)5(pfeil abwaerts)

Also Published As

Publication number Publication date
US5312602A (en) 1994-05-17
EP0487479B1 (en) 1996-03-27
ATE136010T1 (de) 1996-04-15
BR9105083A (pt) 1992-08-18
JPH06183749A (ja) 1994-07-05
NO171307B (no) 1992-11-16
GR3020214T3 (en) 1996-09-30
NO171307C (no) 1993-02-24
DE69118326T2 (de) 1996-10-24
NO905062L (no) 1992-05-25
EP0487479A3 (en) 1993-05-19
FI915480A0 (fi) 1991-11-20
FI915480A (fi) 1992-05-23
DE69118326D1 (de) 1996-05-02
DK0487479T3 (da) 1996-04-29
EP0487479A2 (en) 1992-05-27
NO905062D0 (no) 1990-11-22
FI100965B (fi) 1998-03-31

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