ES2037322T3 - Procedimiento para la obtencion de dioxido de titanio. - Google Patents

Procedimiento para la obtencion de dioxido de titanio.

Info

Publication number
ES2037322T3
ES2037322T3 ES198989108213T ES89108213T ES2037322T3 ES 2037322 T3 ES2037322 T3 ES 2037322T3 ES 198989108213 T ES198989108213 T ES 198989108213T ES 89108213 T ES89108213 T ES 89108213T ES 2037322 T3 ES2037322 T3 ES 2037322T3
Authority
ES
Spain
Prior art keywords
titanium
dioxide
titanium dioxide
procedure
obtaining titanium
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
ES198989108213T
Other languages
English (en)
Inventor
Gunter Dr. Lailach
Rudolf Dr. Gerken
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.)
Bayer AG
Original Assignee
Bayer AG
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 Bayer AG filed Critical Bayer AG
Application granted granted Critical
Publication of ES2037322T3 publication Critical patent/ES2037322T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • C09C1/36—Compounds of titanium
    • C09C1/3692—Combinations of treatments provided for in groups C09C1/3615 - C09C1/3684
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B17/00—Sulfur; Compounds thereof
    • C01B17/69—Sulfur trioxide; Sulfuric acid
    • C01B17/74—Preparation
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G23/00—Compounds of titanium
    • C01G23/04—Oxides; Hydroxides
    • C01G23/047—Titanium dioxide
    • C01G23/053—Producing by wet processes, e.g. hydrolysing titanium salts
    • C01G23/0532—Producing by wet processes, e.g. hydrolysing titanium salts by hydrolysing sulfate-containing salts
    • 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
    • C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
    • C09C3/04—Physical treatment, e.g. grinding or treatment with ultrasonic vibrations
    • C09C3/043—Drying, calcination
    • 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
    • C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
    • C09C3/06—Treatment with inorganic compounds

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Treating Waste Gases (AREA)

Abstract

LA PRESENTE PATENTE AFECTA A UN PROCESO DE OBTENCION DE DIOXIDO DE TITANIO POR DISGREGACION DE MATERIAS PRIMAS CON TITANIO, HIDROLISIS DEL SULFATO DE TITANIO FORMADO EN ESTA OPERACION, SEPARACION DEL ACIDO SULFURICO CON SULFATOS METALICOS DEL DIOXIDOHIDRATO DE TITANIO FORMADO EN LA HIDROLISIS, BLANQUEADO DEL DIOXIDOHIDRATO DE TITANIO POR TRATAMIENTO REDUCTOR EN PRESENCIA DE ACIDO SULFURICO, CALCINACION DEL DIOXIDOHIDRATO DE TITANIO A DIOXIDO DE TITANIO Y DESULFURACION DE LOS GASES DE ESCAPE DEL PROCESO QUE CONTIENEN SO2 EN CARBON ACTIVO HUMEDO BAJO FORMACION DE ACIDO DULFURICO CON UNA CONCENTRACION DEL 5 AL 20%.
ES198989108213T 1988-05-21 1989-05-06 Procedimiento para la obtencion de dioxido de titanio. Expired - Lifetime ES2037322T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3817445A DE3817445A1 (de) 1988-05-21 1988-05-21 Verfahren zum herstellen von titandioxid

Publications (1)

Publication Number Publication Date
ES2037322T3 true ES2037322T3 (es) 1993-06-16

Family

ID=6354921

Family Applications (1)

Application Number Title Priority Date Filing Date
ES198989108213T Expired - Lifetime ES2037322T3 (es) 1988-05-21 1989-05-06 Procedimiento para la obtencion de dioxido de titanio.

Country Status (5)

Country Link
EP (1) EP0343418B1 (es)
JP (1) JPH0218324A (es)
DE (2) DE3817445A1 (es)
ES (1) ES2037322T3 (es)
FI (1) FI92578C (es)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006103999A (ja) * 2004-10-01 2006-04-20 Murata Mfg Co Ltd 酸化チタン微粒子の製造方法
EP2165974A1 (de) 2008-09-17 2010-03-24 L. Brüggemann Kommanditgesellschaft Verfahren zur Bleiche von hydrolytisch gefälltem Titanoxidhydrat
JP2012028026A (ja) * 2010-07-20 2012-02-09 Nippon Chem Ind Co Ltd リチウム二次電池用負極活物質及びその製造方法
DE102012017854A1 (de) * 2012-09-08 2014-05-28 Kronos International, Inc. Infrarot-reflektierendes Pigment auf Basis Titandioxid sowie Verfahren zu seiner Herstellung

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1052188A (es) * 1900-01-01
US2999011A (en) * 1959-12-31 1961-09-05 Nat Lead Co Method for bleaching hydrous titanium dioxide
US4113840A (en) * 1974-09-19 1978-09-12 Beamer/Wilkinson & Associates Process for the removal of sulfur dioxide from exhaust flue gases
DE3826372A1 (de) * 1988-08-03 1990-02-22 Bayer Ag Verfahren zur herstellung von schwefelsaeure sowie vorrichtung zur durchfuehrung dieses verfahrens

Also Published As

Publication number Publication date
FI892392L (fi) 1989-11-22
FI92578B (fi) 1994-08-31
DE3817445A1 (de) 1989-11-23
FI892392A0 (fi) 1989-05-18
JPH0218324A (ja) 1990-01-22
EP0343418A3 (de) 1991-03-27
EP0343418A2 (de) 1989-11-29
FI92578C (fi) 1994-12-12
EP0343418B1 (de) 1992-05-20
DE58901456D1 (de) 1992-06-25

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