FI77831B - Foerfarande foer framstaellning av titandioxid. - Google Patents

Foerfarande foer framstaellning av titandioxid. Download PDF

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Publication number
FI77831B
FI77831B FI844672A FI844672A FI77831B FI 77831 B FI77831 B FI 77831B FI 844672 A FI844672 A FI 844672A FI 844672 A FI844672 A FI 844672A FI 77831 B FI77831 B FI 77831B
Authority
FI
Finland
Prior art keywords
sulfuric acid
reaction
metal
acid
cake
Prior art date
Application number
FI844672A
Other languages
English (en)
Finnish (fi)
Other versions
FI844672A0 (fi
FI844672L (fi
FI77831C (sv
Inventor
Guenter Lailach
Gerhard Wiederhoeft
Rudolf Gerken
Walter Gutsche
Wolfgang-Dieter Mueller
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6215622&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=FI77831(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Bayer Ag filed Critical Bayer Ag
Publication of FI844672A0 publication Critical patent/FI844672A0/fi
Publication of FI844672L publication Critical patent/FI844672L/fi
Publication of FI77831B publication Critical patent/FI77831B/fi
Application granted granted Critical
Publication of FI77831C publication Critical patent/FI77831C/sv

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Classifications

    • 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
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B34/00—Obtaining refractory metals
    • C22B34/10—Obtaining titanium, zirconium or hafnium
    • C22B34/12—Obtaining titanium or titanium compounds from ores or scrap by metallurgical processing; preparation of titanium compounds from other titanium compounds see C01G23/00 - C01G23/08
    • C22B34/1236—Obtaining titanium or titanium compounds from ores or scrap by metallurgical processing; preparation of titanium compounds from other titanium compounds see C01G23/00 - C01G23/08 obtaining titanium or titanium compounds from ores or scrap by wet processes, e.g. by leaching
    • C22B34/124—Obtaining titanium or titanium compounds from ores or scrap by metallurgical processing; preparation of titanium compounds from other titanium compounds see C01G23/00 - C01G23/08 obtaining titanium or titanium compounds from ores or scrap by wet processes, e.g. by leaching using acidic solutions or liquors
    • C22B34/125—Obtaining titanium or titanium compounds from ores or scrap by metallurgical processing; preparation of titanium compounds from other titanium compounds see C01G23/00 - C01G23/08 obtaining titanium or titanium compounds from ores or scrap by wet processes, e.g. by leaching using acidic solutions or liquors containing a sulfur ion as active agent
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B34/00—Obtaining refractory metals
    • C22B34/10—Obtaining titanium, zirconium or hafnium
    • C22B34/12—Obtaining titanium or titanium compounds from ores or scrap by metallurgical processing; preparation of titanium compounds from other titanium compounds see C01G23/00 - C01G23/08
    • C22B34/129—Obtaining titanium or titanium compounds from ores or scrap by metallurgical processing; preparation of titanium compounds from other titanium compounds see C01G23/00 - C01G23/08 obtaining metallic titanium from titanium compounds by dissociation, e.g. thermic dissociation of titanium tetraiodide, or by electrolysis or with the use of an electric arc
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Manufacturing & Machinery (AREA)
  • Inorganic Chemistry (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Catalysts (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)

Claims (7)

1. Förfarande för framställning av titandioxid ge-nom autotermisk behandling av titanhaltiga rämaterial med 5 svavelsyra sk, att en fast, relativt lättlöslig reaktions-kaka, lösning av metallsulfaterna ur denna kaka med vatten eller utspädd svavelsyra, separering av den olösta äter-stoden, och eventuellt efter kristallisation av järnsul-fatheptahydratet, hydrolys av titanylsulfatet och kalcine- 10 ring av titanoxidhydratet tili titandioxid, känne- t e c k n a t därav, att reaktionsblandingen i början av behandlingsreaktionen innehäller 80-88 %:ig svavelsyra och metallsulfater.
2. Förfarande enligt patentkravet 1, känne- 15 tecknat därav, att mängden metallsulfater är före reaktionens början 0,5-25 %, företrädesvis 2-15 % metallsulfater .
3. Förfarande enligt patentkravet 1, känne-tecknat därav, att en del av svavelsyran utgörs av 20 20-75 %:ig svavelsyra, som innehäller TiC^-tunnsyra eller indunstad TiC^-tunnsyra och att den innehäller upplösta metallsulfater.
4. Förfarande enligt patentkravet 3, känne-tecknat därav, att ätminstone en del av den 25 20-75 %:iga svavelsyran och metallsulfaterna användes i form av den vid TK^-tunnsyraindunstningen bildade metallsulf at-svavelsyrasuspensionen.
5. Förfarande enligt ett eller flere av föregäende patentkrav, kännetecknat därav, att den 30 20-75 %:iga svavelsyran innehäller metallsulfater i löst eller fast form.
6. Förfarande enligt ett eller flere av föregäende patentkrav, kännetecknat därav, att som metallsulfater används den vid filtrering av indunstad Ti02~tunn- 35 syra bildade filterkakan.
FI844672A 1983-11-30 1984-11-28 Förfarande för framställning av titandioxid. FI77831C (sv)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3343256 1983-11-30
DE19833343256 DE3343256A1 (de) 1983-11-30 1983-11-30 Verfahren zur herstellung von titandioxid

Publications (4)

Publication Number Publication Date
FI844672A0 FI844672A0 (fi) 1984-11-28
FI844672L FI844672L (fi) 1985-05-31
FI77831B true FI77831B (fi) 1989-01-31
FI77831C FI77831C (sv) 1989-05-10

Family

ID=6215622

Family Applications (1)

Application Number Title Priority Date Filing Date
FI844672A FI77831C (sv) 1983-11-30 1984-11-28 Förfarande för framställning av titandioxid.

Country Status (6)

Country Link
US (1) US4663131A (sv)
EP (1) EP0147608B2 (sv)
CA (1) CA1255071A (sv)
DE (2) DE3343256A1 (sv)
FI (1) FI77831C (sv)
NO (1) NO164529B (sv)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3627655A1 (de) * 1986-08-14 1988-03-24 Bayer Ag Verfahren zur herstellung von titandioxidpigmenten
CH672633A5 (sv) * 1987-11-23 1989-12-15 Escher Wyss Ag
DE3843846C1 (sv) * 1988-12-24 1990-04-12 Bayer Ag, 5090 Leverkusen, De
GB9119205D0 (en) * 1991-09-09 1991-10-23 Tioxide Group Services Ltd Quench system
US5227032A (en) * 1991-09-24 1993-07-13 The United State Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Method for producing oxygen from lunar materials
WO1993018193A1 (en) * 1992-03-09 1993-09-16 Pivot Mining Nl Acid washing of leached solids from the beneficiation of titaniferous ores
CA2323671A1 (en) * 1997-05-30 1998-12-03 Kemicraft Overseas Limited Continuous non-polluting liquid phase titanium dioxide process
US6048505A (en) * 1997-06-16 2000-04-11 Kemicraft Overseas Limited Continuous non-polluting liquid phase titanium dioxide process and apparatus
DE10106539A1 (de) * 2001-02-13 2002-08-22 Kerr Mcgee Pigments Gmbh & Co Verfahren zur Gewinnung von Titandioxid aus Aufschlussrückständen eines Sulfatverfahrens
AU2002952158A0 (en) * 2002-10-18 2002-10-31 Bhp Billiton Innovation Pty Ltd Production of titania
DE10303287A1 (de) * 2003-01-28 2004-07-29 Sachtleben Chemie Gmbh Verfahren zur Neutralisation und Wiederverwendung von bei der Herstellung von Titandioxid nach dem Sulfatverfahren entstehenden Aufschlussrückständen
DE102004019191B3 (de) * 2004-01-27 2005-06-02 Kronos International, Inc. Pulverförmige Mischung, Verfahren zu ihrer Herstellung und ihre Verwendung in einem Zusatzmittel zur Chromatreduktion in Zement
US10407316B2 (en) * 2014-07-08 2019-09-10 Avertana Limited Extraction of products from titanium-bearing minerals

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR655905A (fr) * 1927-10-28 1929-04-25 Roches Et Minerais Soc Procédé pour l'obtention de pigment blanc à base d'oxyde de titane pur
US2112966A (en) † 1937-04-02 1938-04-05 Du Pont Decomposition of titanium ores
US2180961A (en) * 1938-10-07 1939-11-21 Du Pont Production of water-soluble titanium compounds
US2774650A (en) * 1953-05-01 1956-12-18 Nat Lead Co Method for decomposition of titaniferous ores
FR1548343A (sv) * 1967-07-07 1968-12-06
US4038363A (en) * 1975-10-21 1977-07-26 Quebec Iron & Titanium Corporation-Fer Et Titane Due Quebec, Inc. Upgrading sorelslag for production of synthetic rutile
US4288415A (en) * 1979-08-10 1981-09-08 Nl Industries, Inc. Process for manufacturing titanium compounds using a reducing agent
DE2951799A1 (de) * 1979-12-21 1981-07-02 Bayer Ag, 5090 Leverkusen Verfahren zur herstellung einer hydrolysierbaren titanylsulfatloesung

Also Published As

Publication number Publication date
FI844672A0 (fi) 1984-11-28
DE3343256A1 (de) 1985-06-05
DE3465342D1 (en) 1987-09-17
EP0147608B2 (de) 1991-04-17
FI844672L (fi) 1985-05-31
US4663131A (en) 1987-05-05
NO844563L (no) 1985-05-31
EP0147608A1 (de) 1985-07-10
NO164529B (no) 1990-07-09
FI77831C (sv) 1989-05-10
CA1255071A (en) 1989-06-06
EP0147608B1 (de) 1987-08-12

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Owner name: BAYER AKTIENGESELLSCHAFT