NO319555B1 - Fremgangsmater og reaktor for fremstilling av titandioksid - Google Patents
Fremgangsmater og reaktor for fremstilling av titandioksid Download PDFInfo
- Publication number
- NO319555B1 NO319555B1 NO19981329A NO981329A NO319555B1 NO 319555 B1 NO319555 B1 NO 319555B1 NO 19981329 A NO19981329 A NO 19981329A NO 981329 A NO981329 A NO 981329A NO 319555 B1 NO319555 B1 NO 319555B1
- Authority
- NO
- Norway
- Prior art keywords
- oxygen
- titanium tetrachloride
- reactor
- reaction zone
- temperature
- Prior art date
Links
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 title claims description 106
- 238000000034 method Methods 0.000 title claims description 58
- 239000004408 titanium dioxide Substances 0.000 title claims description 50
- XJDNKRIXUMDJCW-UHFFFAOYSA-J titanium tetrachloride Chemical compound Cl[Ti](Cl)(Cl)Cl XJDNKRIXUMDJCW-UHFFFAOYSA-J 0.000 claims description 220
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 181
- 239000001301 oxygen Substances 0.000 claims description 181
- 229910052760 oxygen Inorganic materials 0.000 claims description 181
- 238000006243 chemical reaction Methods 0.000 claims description 121
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 claims description 66
- 239000007789 gas Substances 0.000 claims description 49
- 238000007254 oxidation reaction Methods 0.000 claims description 44
- 230000003647 oxidation Effects 0.000 claims description 42
- 230000001590 oxidative effect Effects 0.000 claims description 33
- 239000002245 particle Substances 0.000 claims description 29
- 239000000203 mixture Substances 0.000 claims description 22
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 claims description 18
- 239000000446 fuel Substances 0.000 claims description 16
- 238000004519 manufacturing process Methods 0.000 claims description 14
- 238000010438 heat treatment Methods 0.000 claims description 13
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 12
- 230000008569 process Effects 0.000 claims description 10
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims description 9
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 9
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 9
- 229910052782 aluminium Inorganic materials 0.000 claims description 9
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 9
- 239000000460 chlorine Substances 0.000 claims description 9
- 229910052801 chlorine Inorganic materials 0.000 claims description 9
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 claims description 9
- OFBQJSOFQDEBGM-UHFFFAOYSA-N n-pentane Natural products CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 claims description 9
- 239000001294 propane Substances 0.000 claims description 9
- 238000011144 upstream manufacturing Methods 0.000 claims description 8
- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 4
- 229910002091 carbon monoxide Inorganic materials 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 4
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 claims description 3
- 239000001273 butane Substances 0.000 claims description 3
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 claims description 3
- 239000008096 xylene Substances 0.000 claims description 3
- 239000004020 conductor Substances 0.000 claims 1
- 239000000049 pigment Substances 0.000 description 49
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 29
- 238000002474 experimental method Methods 0.000 description 23
- 239000000377 silicon dioxide Substances 0.000 description 13
- 238000002347 injection Methods 0.000 description 12
- 239000007924 injection Substances 0.000 description 12
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 11
- 239000000376 reactant Substances 0.000 description 10
- 239000000047 product Substances 0.000 description 9
- 238000012360 testing method Methods 0.000 description 9
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 8
- 238000010586 diagram Methods 0.000 description 8
- 229910052700 potassium Inorganic materials 0.000 description 8
- 239000011591 potassium Substances 0.000 description 8
- 238000002485 combustion reaction Methods 0.000 description 7
- 229910052593 corundum Inorganic materials 0.000 description 7
- 229910001845 yogo sapphire Inorganic materials 0.000 description 7
- 230000002776 aggregation Effects 0.000 description 5
- 235000019646 color tone Nutrition 0.000 description 5
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 description 4
- 229910010413 TiO 2 Inorganic materials 0.000 description 4
- 238000004220 aggregation Methods 0.000 description 4
- 230000001276 controlling effect Effects 0.000 description 4
- 238000005201 scrubbing Methods 0.000 description 4
- 239000012808 vapor phase Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 3
- -1 air Chemical compound 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000006229 carbon black Substances 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 238000000227 grinding Methods 0.000 description 3
- 230000006911 nucleation Effects 0.000 description 3
- 238000010899 nucleation Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 239000004576 sand Substances 0.000 description 3
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 229910010068 TiCl2 Inorganic materials 0.000 description 2
- 229910052783 alkali metal Inorganic materials 0.000 description 2
- 229920000180 alkyd Polymers 0.000 description 2
- 229910010293 ceramic material Inorganic materials 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000007800 oxidant agent Substances 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- 239000001103 potassium chloride Substances 0.000 description 2
- 235000011164 potassium chloride Nutrition 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 238000009991 scouring Methods 0.000 description 2
- ZWYDDDAMNQQZHD-UHFFFAOYSA-L titanium(ii) chloride Chemical compound [Cl-].[Cl-].[Ti+2] ZWYDDDAMNQQZHD-UHFFFAOYSA-L 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 238000001856 aerosol method Methods 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000004581 coalescence Methods 0.000 description 1
- 238000010960 commercial process Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000004035 construction material Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000012010 growth Effects 0.000 description 1
- 239000013529 heat transfer fluid Substances 0.000 description 1
- 229910001026 inconel Inorganic materials 0.000 description 1
- 238000009616 inductively coupled plasma Methods 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 239000004816 latex Substances 0.000 description 1
- 229920000126 latex Polymers 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 229910001092 metal group alloy Inorganic materials 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Substances N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen(.) Chemical compound [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 239000011236 particulate material Substances 0.000 description 1
- XAEFZNCEHLXOMS-UHFFFAOYSA-M potassium benzoate Chemical group [K+].[O-]C(=O)C1=CC=CC=C1 XAEFZNCEHLXOMS-UHFFFAOYSA-M 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000005488 sandblasting Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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
- C01G23/07—Producing by vapour phase processes, e.g. halide oxidation
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Catalysts (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/687,280 US5840112A (en) | 1996-07-25 | 1996-07-25 | Method and apparatus for producing titanium dioxide |
| PCT/US1997/012207 WO1998004500A1 (en) | 1996-07-25 | 1997-07-24 | Method and apparatus for producing titanium dioxide |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| NO981329D0 NO981329D0 (no) | 1998-03-24 |
| NO981329L NO981329L (no) | 1998-05-22 |
| NO319555B1 true NO319555B1 (no) | 2005-08-29 |
Family
ID=24759808
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO19981329A NO319555B1 (no) | 1996-07-25 | 1998-03-24 | Fremgangsmater og reaktor for fremstilling av titandioksid |
Country Status (9)
| Country | Link |
|---|---|
| US (2) | US5840112A (cs) |
| KR (1) | KR100440517B1 (cs) |
| BR (1) | BR9702354A (cs) |
| CA (1) | CA2232991C (cs) |
| CZ (1) | CZ128798A3 (cs) |
| NO (1) | NO319555B1 (cs) |
| SA (1) | SA97180406B1 (cs) |
| UA (1) | UA46793C2 (cs) |
| ZA (1) | ZA976602B (cs) |
Families Citing this family (35)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998004500A1 (en) * | 1996-07-25 | 1998-02-05 | Kerr-Mcgee Chemical Corporation | Method and apparatus for producing titanium dioxide |
| US5840112A (en) * | 1996-07-25 | 1998-11-24 | Kerr Mcgee Chemical Corporation | Method and apparatus for producing titanium dioxide |
| US6350427B1 (en) * | 1999-07-27 | 2002-02-26 | Kerr-Mcgee Chemical Llc | Processes for reacting gaseous reactants containing solid particles |
| US6544493B1 (en) * | 1999-08-30 | 2003-04-08 | Showa Denko Kabushiki Kaisha | Ultrafine particulate titanium oxide and production process therof |
| US6387347B1 (en) * | 2000-02-14 | 2002-05-14 | Millennium Inorganic Chemicals, Inc. | Controlled vapor phase oxidation of titanium tetrachloride to manufacture titanium dioxide |
| US6419893B1 (en) * | 2000-09-18 | 2002-07-16 | Kerr-Mcgee Chemical Llc | Process for producing and cooling titanium dioxide |
| US6517629B2 (en) | 2001-02-05 | 2003-02-11 | Millennium Inorganic Chemicals, Inc. | Methods for making low volatile titanium dioxide pigments |
| CN1269257C (zh) * | 2001-02-21 | 2006-08-09 | 昭和电工株式会社 | 染料敏化型太阳能电池用金属氧化物分散液,光活性电极以及染料敏化型太阳能电池 |
| US6994837B2 (en) * | 2001-04-24 | 2006-02-07 | Tekna Plasma Systems, Inc. | Plasma synthesis of metal oxide nanopowder and apparatus therefor |
| US20040112456A1 (en) | 2002-12-16 | 2004-06-17 | Bates James William | Densification of aerated powders using positive pressure |
| US7182931B2 (en) * | 2003-02-25 | 2007-02-27 | Tronox Llc | Process for making titanium dioxide |
| US20050201927A1 (en) * | 2004-03-12 | 2005-09-15 | Flynn Harry E. | Process for improving raw pigment grindability |
| US7150416B2 (en) * | 2004-04-09 | 2006-12-19 | Tronox Llc | Liquid fuel injection |
| CA2512313A1 (en) * | 2004-07-20 | 2006-01-20 | E.I. Dupont De Nemours And Company | Apparatus for making metal oxide nanopowder |
| US7708975B2 (en) * | 2004-07-20 | 2010-05-04 | E.I. Du Pont De Nemours And Company | Process for making metal oxide nanoparticles |
| MX2007014415A (es) * | 2005-05-20 | 2008-02-11 | Tronox Llc | Aparato y metodo para mezclar fluidos. |
| DE602005024723D1 (de) * | 2005-09-16 | 2010-12-23 | Tronox Llc | Verfahren zur steuerung der teilchengrösse von nach dem chloridverfahren hergestelltem titandioxid |
| US7476378B2 (en) * | 2005-10-27 | 2009-01-13 | E.I. Dupont Denemours & Company | Process for producing titanium dioxide |
| US20070245924A1 (en) * | 2006-04-20 | 2007-10-25 | Hofmann Michael A | Reduced abrasion of titanium dioxide pigments produced from the chloride process |
| US7250080B1 (en) | 2006-09-06 | 2007-07-31 | Tronox Llc | Process for the manufacture of organosilicon compound-treated pigments |
| US20080053336A1 (en) * | 2006-09-06 | 2008-03-06 | Tronox Llc | Aqueous coating compositions with improved tint strength and gloss properties, comprising pigments surface-treated with certain organosilicon compounds |
| US20080075654A1 (en) * | 2006-09-21 | 2008-03-27 | Jamison Matthew E | Titanium dioxide process |
| US7238231B1 (en) | 2006-11-16 | 2007-07-03 | Tronox Llc | Process for manufacturing zirconia-treated titanium dioxide pigments |
| US20080274040A1 (en) * | 2007-05-03 | 2008-11-06 | Tronox Llc | Injector assembly, chemical reactor and chemical process |
| DE102007049296A1 (de) * | 2007-10-12 | 2009-04-16 | Kronos International, Inc. | Mehrstufiges Verfahren zur Herstellung von Titandioxid |
| DE102009009780A1 (de) * | 2009-02-20 | 2010-08-26 | Kronos International, Inc. | Mehrstufiges Verfahren zur Herstellung von Titandioxid |
| AU2012231686B2 (en) | 2011-03-18 | 2015-08-27 | Aem Technologies Inc. | Processes for recovering rare earth elements from aluminum-bearing materials |
| US9382600B2 (en) | 2011-09-16 | 2016-07-05 | Orbite Technologies Inc. | Processes for preparing alumina and various other products |
| AU2013202318B2 (en) | 2012-01-10 | 2015-11-05 | Aem Technologies Inc. | Processes for treating red mud |
| WO2013142957A1 (en) | 2012-03-29 | 2013-10-03 | Orbite Aluminae Inc. | Processes for treating fly ashes |
| AU2014212155B2 (en) * | 2013-01-31 | 2017-06-15 | Tronox Llc | Titanium dioxide production, and methods of controlling particle size thereof |
| US9353266B2 (en) | 2013-03-15 | 2016-05-31 | Tronox Llc | Process for manufacturing titanium dioxide pigments using ultrasonication |
| US9315615B2 (en) | 2013-03-15 | 2016-04-19 | Tronox Llc | Titanium dioxide pigment and manufacturing method |
| US10125219B2 (en) | 2014-10-30 | 2018-11-13 | Tronox Llc | Titanium dioxide pigment and manufacturing method |
| US9745405B2 (en) | 2015-04-20 | 2017-08-29 | Tronox Llc | Polymer, polymer modified titanium dioxide pigment, and method of forming a pigmented paint formulation |
Family Cites Families (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2437171A (en) * | 1943-11-10 | 1948-03-02 | Pittsburgh Plate Glass Co | Composite titanium dioxide-metal oxide pigment |
| US3120427A (en) * | 1960-11-01 | 1964-02-04 | Thann Fab Prod Chem | Preparation of titanium dioxide |
| BE627783A (cs) | 1962-01-30 | |||
| US3340008A (en) * | 1965-02-17 | 1967-09-05 | American Cyanamid Co | Process for the oxidation of ticl4 |
| FR93459E (fr) | 1965-08-03 | 1969-04-04 | Prod Chim De Thann & De Mulhou | Procédé et appareillage pour l'oxydation des halogénures métalliques en phase gazeuse et produits en résultant. |
| US3512219A (en) * | 1965-10-19 | 1970-05-19 | American Potash & Chem Corp | Injection reactor for titanium dioxide production |
| US3449076A (en) * | 1966-10-10 | 1969-06-10 | Du Pont | Preheating oxidizing gas reactant in tio2 pigment manufacture |
| DE1667044C3 (de) * | 1967-04-13 | 1981-01-29 | Bayer Ag, 5090 Leverkusen | Verfahren zur Herstellung feinteiliger Oxide aus Halogeniden |
| US3505091A (en) * | 1968-07-29 | 1970-04-07 | Du Pont | Production of titanium dioxide pigments |
| US3647377A (en) * | 1968-08-29 | 1972-03-07 | Titan Gmbh | Process for the manufacture of fine particle size titanium dioxide by reacting titanium tetrachloride with oxygen |
| AU1314470A (en) * | 1969-04-02 | 1971-09-30 | MONTECATINI EDISONS. Pa. andthe NEWJERSEY ZINC COMPANY | Process for producing titanium dioxide of pigmentary characteristics |
| US3615202A (en) * | 1969-11-28 | 1971-10-26 | David R Stern | Process for the manufacture of titanium dioxide |
| BE792503A (fr) * | 1971-12-10 | 1973-06-08 | Montedison Spa | Procede de preparation d'un bioxyde de titane d'une taille de particules controlee |
| US4053577A (en) * | 1972-02-18 | 1977-10-11 | Tioxide Group Limited | Process for the gaseous phase production of metal oxide particles |
| GB1429333A (en) * | 1973-03-22 | 1976-03-24 | British Titan Ltd | Reactor |
| IN152047B (cs) | 1978-12-04 | 1983-10-01 | Du Pont | |
| US4214913A (en) * | 1979-03-05 | 1980-07-29 | E. I. Du Pont De Nemours And Company | Process for producing rutile TiO2 |
| DE2948731A1 (de) | 1979-12-04 | 1981-06-11 | E.I. Du Pont De Nemours And Co., Wilmington, Del. | Verfahren zur oxidation von titantetrachlorid |
| US4803056A (en) * | 1983-07-22 | 1989-02-07 | Kerr-Mcgee Chemical Corporation | System for increasing the capacity of a titanium dioxide producing process |
| US5204083A (en) * | 1988-05-23 | 1993-04-20 | Kerr-Mcgee Chemical Corporation | Process for preparing titanium dioxide |
| EP0427878B1 (de) * | 1989-11-13 | 1992-09-02 | KRONOS TITAN-Gesellschaft mbH | Verfahren und Vorrichtung zur Herstellung von Titandioxid |
| GB9216933D0 (en) * | 1992-08-10 | 1992-09-23 | Tioxide Group Services Ltd | Oxidation of titanium tetrachloride |
| US5372639A (en) * | 1993-09-03 | 1994-12-13 | E. I. Du Pont De Nemours And Company | Use of a bimodal distribution of scrubs in a process for cooling a hot gaseous suspension |
| US5840112A (en) * | 1996-07-25 | 1998-11-24 | Kerr Mcgee Chemical Corporation | Method and apparatus for producing titanium dioxide |
-
1996
- 1996-07-25 US US08/687,280 patent/US5840112A/en not_active Expired - Lifetime
-
1997
- 1997-07-03 US US08/887,649 patent/US6207131B1/en not_active Ceased
- 1997-07-24 CZ CZ981287A patent/CZ128798A3/cs unknown
- 1997-07-24 CA CA002232991A patent/CA2232991C/en not_active Expired - Fee Related
- 1997-07-24 BR BR9702354-0A patent/BR9702354A/pt not_active Application Discontinuation
- 1997-07-24 ZA ZA976602A patent/ZA976602B/xx unknown
- 1997-07-24 KR KR10-1998-0702188A patent/KR100440517B1/ko not_active Expired - Fee Related
- 1997-07-24 UA UA98042081A patent/UA46793C2/uk unknown
- 1997-09-15 SA SA97180406A patent/SA97180406B1/ar unknown
-
1998
- 1998-03-24 NO NO19981329A patent/NO319555B1/no unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CZ128798A3 (cs) | 1998-11-11 |
| BR9702354A (pt) | 1999-09-14 |
| NO981329D0 (no) | 1998-03-24 |
| KR100440517B1 (ko) | 2004-10-12 |
| US5840112A (en) | 1998-11-24 |
| CA2232991A1 (en) | 1998-02-05 |
| ZA976602B (en) | 1999-01-25 |
| KR19990063721A (ko) | 1999-07-26 |
| CA2232991C (en) | 2004-09-14 |
| SA97180406B1 (ar) | 2006-04-04 |
| NO981329L (no) | 1998-05-22 |
| US6207131B1 (en) | 2001-03-27 |
| UA46793C2 (uk) | 2002-06-17 |
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