AU716808B2 - Method and apparatus for producing titanium dioxide - Google Patents
Method and apparatus for producing titanium dioxide Download PDFInfo
- Publication number
- AU716808B2 AU716808B2 AU37269/97A AU3726997A AU716808B2 AU 716808 B2 AU716808 B2 AU 716808B2 AU 37269/97 A AU37269/97 A AU 37269/97A AU 3726997 A AU3726997 A AU 3726997A AU 716808 B2 AU716808 B2 AU 716808B2
- Authority
- AU
- Australia
- Prior art keywords
- oxygen
- titanium tetrachloride
- reactor
- reaction zone
- process according
- 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
Links
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 title claims description 110
- 238000000034 method Methods 0.000 title claims description 64
- 239000004408 titanium dioxide Substances 0.000 title claims description 53
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 182
- 239000001301 oxygen Substances 0.000 claims description 182
- 229910052760 oxygen Inorganic materials 0.000 claims description 182
- XJDNKRIXUMDJCW-UHFFFAOYSA-J titanium tetrachloride Chemical compound Cl[Ti](Cl)(Cl)Cl XJDNKRIXUMDJCW-UHFFFAOYSA-J 0.000 claims description 164
- 238000006243 chemical reaction Methods 0.000 claims description 117
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 claims description 62
- 230000008569 process Effects 0.000 claims description 55
- 239000007789 gas Substances 0.000 claims description 49
- 230000001590 oxidative effect Effects 0.000 claims description 35
- 239000002245 particle Substances 0.000 claims description 29
- 239000000203 mixture Substances 0.000 claims description 22
- 238000007254 oxidation reaction Methods 0.000 claims description 19
- 230000003647 oxidation Effects 0.000 claims description 17
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 claims description 16
- 239000000446 fuel Substances 0.000 claims description 16
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 12
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 10
- 229910052782 aluminium Inorganic materials 0.000 claims description 10
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 10
- 239000000460 chlorine Substances 0.000 claims description 10
- 229910052801 chlorine Inorganic materials 0.000 claims description 10
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-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
- 238000010438 heat treatment Methods 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 8
- 238000004519 manufacturing process Methods 0.000 claims description 7
- 238000011144 upstream manufacturing Methods 0.000 claims description 7
- 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
- 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
- 239000000126 substance Substances 0.000 claims description 2
- 239000000049 pigment Substances 0.000 description 49
- 238000012360 testing method Methods 0.000 description 37
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 30
- 229910010066 TiC14 Inorganic materials 0.000 description 27
- 239000007800 oxidant agent Substances 0.000 description 25
- 239000000377 silicon dioxide Substances 0.000 description 13
- 238000002347 injection Methods 0.000 description 12
- 239000007924 injection Substances 0.000 description 12
- 239000000047 product Substances 0.000 description 12
- 239000000376 reactant Substances 0.000 description 10
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 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
- 229910010413 TiO 2 Inorganic materials 0.000 description 6
- 230000001276 controlling effect Effects 0.000 description 6
- 230000002776 aggregation Effects 0.000 description 5
- 230000007423 decrease Effects 0.000 description 5
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 description 4
- 238000004220 aggregation Methods 0.000 description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 4
- 230000003247 decreasing effect Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000004576 sand Substances 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
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 230000006911 nucleation Effects 0.000 description 3
- 238000010899 nucleation Methods 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
- 239000000654 additive Substances 0.000 description 2
- 229910052783 alkali metal Inorganic materials 0.000 description 2
- -1 alkali metal salts Chemical class 0.000 description 2
- 229920000180 alkyd Polymers 0.000 description 2
- 239000006229 carbon black Substances 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal 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
- 238000012545 processing Methods 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 238000009991 scouring Methods 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- MHCVCKDNQYMGEX-UHFFFAOYSA-N 1,1'-biphenyl;phenoxybenzene Chemical compound C1=CC=CC=C1C1=CC=CC=C1.C=1C=CC=CC=1OC1=CC=CC=C1 MHCVCKDNQYMGEX-UHFFFAOYSA-N 0.000 description 1
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 241001644893 Entandrophragma utile Species 0.000 description 1
- 229910003074 TiCl4 Inorganic materials 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 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
- 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
- 238000000429 assembly Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 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
- 238000010960 commercial process Methods 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
- 238000013461 design Methods 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000013100 final test Methods 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
- 229910001092 metal group alloy Inorganic materials 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000002156 mixing Methods 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
- 230000009467 reduction Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000004044 response Effects 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
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 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
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)
Applications Claiming Priority (5)
| 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 |
| US08687280 | 1996-07-25 | ||
| US08/887,649 US6207131B1 (en) | 1996-07-25 | 1997-07-03 | Method and apparatus for producing titanium dioxide |
| US08887649 | 1997-07-03 | ||
| PCT/US1997/012207 WO1998004500A1 (en) | 1996-07-25 | 1997-07-24 | Method and apparatus for producing titanium dioxide |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| AU3726997A AU3726997A (en) | 1998-02-20 |
| AU716808B2 true AU716808B2 (en) | 2000-03-09 |
Family
ID=27103970
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AU37269/97A Expired AU716808B2 (en) | 1996-07-25 | 1997-07-24 | Method and apparatus for producing titanium dioxide |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | USRE39068E1 (enExample) |
| EP (1) | EP0852568B1 (enExample) |
| JP (1) | JP2000509700A (enExample) |
| CN (1) | CN1199385A (enExample) |
| AU (1) | AU716808B2 (enExample) |
| DE (1) | DE69702236T2 (enExample) |
| ES (1) | ES2147014T3 (enExample) |
| MX (1) | MX9802344A (enExample) |
| PL (1) | PL187022B1 (enExample) |
| RU (1) | RU2180321C2 (enExample) |
| TW (1) | TW382619B (enExample) |
| WO (1) | WO1998004500A1 (enExample) |
Families Citing this family (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2163385C2 (ru) * | 1998-12-21 | 2001-02-20 | Институт геологии Дагестанского научного центра РАН | Способ предсказания силы и места землетрясения |
| JP4095272B2 (ja) * | 2001-09-25 | 2008-06-04 | 株式会社東芝 | 微粒子製造方法および微粒子製造装置 |
| DE10210189B4 (de) * | 2002-03-07 | 2013-09-19 | Kronos International, Inc. | Verfahren zum Beeinflussen der Pigmenteigenschaften von Titandioxid durch Salzzugabe in der Brennkammer |
| US7182931B2 (en) * | 2003-02-25 | 2007-02-27 | Tronox Llc | Process for making titanium dioxide |
| JP4800768B2 (ja) * | 2003-12-31 | 2011-10-26 | カウンシル オブ サイエンティフィク アンド インダストリアル リサーチ | 超微細なルチル相形の二酸化チタン粒子の低温合成 |
| US7413726B2 (en) | 2004-03-26 | 2008-08-19 | Council Of Scientific And Industrial Research | Synthesis of ultrafine rutile phase titanium dioxide particles |
| 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 |
| KR100800129B1 (ko) * | 2006-06-28 | 2008-01-31 | 카운슬 오브 사이언티픽 앤드 인더스트리얼 리서치 | 저온에서 극미세 루타일 상 이산화티타늄 입자의 합성 방법 |
| RU2321543C1 (ru) * | 2006-08-17 | 2008-04-10 | Михаил Алексеевич Горовой | Способ синтеза нанодиоксида титана |
| RU2322393C1 (ru) * | 2006-11-20 | 2008-04-20 | ООО "Научно-производственное предприятие ЭЛСТИН-Сельэлектросетьстрой" | Способ получения диоксида титана |
| DE102007048553A1 (de) * | 2006-12-20 | 2008-06-26 | Kronos International, Inc. | Verfahren zur Herstellung von Titandioxid durch Oxidation von Titantetrachlorid |
| DE102007049296A1 (de) | 2007-10-12 | 2009-04-16 | Kronos International, Inc. | Mehrstufiges Verfahren zur Herstellung von Titandioxid |
| DE102007049297A1 (de) | 2007-10-12 | 2009-04-23 | Kronos International, Inc. | Verfahren zur Herstellung von Titandioxid |
| DE102009009780A1 (de) | 2009-02-20 | 2010-08-26 | Kronos International, Inc. | Mehrstufiges Verfahren zur Herstellung von Titandioxid |
| CN105189359B (zh) * | 2013-01-31 | 2018-10-19 | 瑞士晶体无机化学品有限公司 | 二氧化钛生产，以及对其粒度进行控制的方法 |
| CN103880075B (zh) * | 2013-12-09 | 2016-02-24 | 云南冶金新立钛业有限公司 | 制备二氧化钛的方法和系统 |
| CN103663553B (zh) * | 2013-12-09 | 2016-06-29 | 云南冶金新立钛业有限公司 | 制备二氧化钛的方法 |
| CN103663550B (zh) * | 2013-12-09 | 2016-07-06 | 云南冶金新立钛业有限公司 | 制备二氧化钛的方法 |
| CN103663549B (zh) * | 2013-12-09 | 2016-02-10 | 云南冶金新立钛业有限公司 | 制备二氧化钛的方法 |
| CN106241870A (zh) * | 2016-09-05 | 2016-12-21 | 攀钢集团攀枝花钢铁研究院有限公司 | 一种用于制备二氧化钛的装置及制备二氧化钛的方法 |
| RU2759314C1 (ru) * | 2021-01-26 | 2021-11-11 | федеральное государственное автономное образовательное учреждение высшего образования «Национальный исследовательский Томский политехнический университет» | Устройство для получения нанокристаллического диоксида титана со структурой анатаза |
| CN114029025A (zh) * | 2021-11-15 | 2022-02-11 | 攀钢集团攀枝花钢铁研究院有限公司 | 一种氯化法钛白氧化反应装置 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1145344A (en) * | 1965-08-03 | 1969-03-12 | Thann Fab Prod Chem | Process and apparatus for gas phase oxidation |
| US4803056A (en) * | 1983-07-22 | 1989-02-07 | Kerr-Mcgee Chemical Corporation | System for increasing the capacity of a titanium dioxide producing process |
| EP0583063A1 (en) * | 1992-08-10 | 1994-02-16 | Tioxide Group Services Limited | Oxidation of titanium tetrachloride |
Family Cites Families (12)
| 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 |
| NL288332A (enExample) * | 1962-01-30 | |||
| US3512219A (en) * | 1965-10-19 | 1970-05-19 | American Potash & Chem Corp | Injection reactor for titanium dioxide production |
| GB1170924A (en) * | 1965-10-19 | 1969-11-19 | Laporte Titanium Ltd | Improvements in and relating to the Manufacture of Titanium Dioxide. |
| US3505091A (en) * | 1968-07-29 | 1970-04-07 | Du Pont | Production of titanium dioxide pigments |
| 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 |
| IN152047B (enExample) * | 1978-12-04 | 1983-10-01 | Du Pont | |
| DE2948731A1 (de) * | 1979-12-04 | 1981-06-11 | E.I. Du Pont De Nemours And Co., Wilmington, Del. | Verfahren zur oxidation von titantetrachlorid |
| US5204083A (en) * | 1988-05-23 | 1993-04-20 | Kerr-Mcgee Chemical Corporation | Process for preparing titanium dioxide |
| US5840112A (en) * | 1996-07-25 | 1998-11-24 | Kerr Mcgee Chemical Corporation | Method and apparatus for producing titanium dioxide |
-
1997
- 1997-07-24 ES ES97934143T patent/ES2147014T3/es not_active Expired - Lifetime
- 1997-07-24 JP JP10508847A patent/JP2000509700A/ja not_active Ceased
- 1997-07-24 EP EP97934143A patent/EP0852568B1/en not_active Expired - Lifetime
- 1997-07-24 AU AU37269/97A patent/AU716808B2/en not_active Expired
- 1997-07-24 DE DE69702236T patent/DE69702236T2/de not_active Expired - Lifetime
- 1997-07-24 PL PL97325835A patent/PL187022B1/pl not_active IP Right Cessation
- 1997-07-24 CN CN97191153.3A patent/CN1199385A/zh active Pending
- 1997-07-24 RU RU98107846/12A patent/RU2180321C2/ru not_active IP Right Cessation
- 1997-07-24 WO PCT/US1997/012207 patent/WO1998004500A1/en not_active Ceased
- 1997-07-25 TW TW086110624A patent/TW382619B/zh not_active IP Right Cessation
-
1998
- 1998-03-25 MX MX9802344A patent/MX9802344A/es unknown
-
2003
- 2003-03-14 US US10/389,636 patent/USRE39068E1/en not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1145344A (en) * | 1965-08-03 | 1969-03-12 | Thann Fab Prod Chem | Process and apparatus for gas phase oxidation |
| US4803056A (en) * | 1983-07-22 | 1989-02-07 | Kerr-Mcgee Chemical Corporation | System for increasing the capacity of a titanium dioxide producing process |
| EP0583063A1 (en) * | 1992-08-10 | 1994-02-16 | Tioxide Group Services Limited | Oxidation of titanium tetrachloride |
Also Published As
| Publication number | Publication date |
|---|---|
| PL325835A1 (en) | 1998-08-03 |
| AU3726997A (en) | 1998-02-20 |
| JP2000509700A (ja) | 2000-08-02 |
| DE69702236D1 (de) | 2000-07-13 |
| EP0852568A1 (en) | 1998-07-15 |
| PL187022B1 (pl) | 2004-04-30 |
| DE69702236T2 (de) | 2001-02-15 |
| WO1998004500A1 (en) | 1998-02-05 |
| USRE39068E1 (en) | 2006-04-18 |
| MX9802344A (es) | 1998-11-29 |
| RU2180321C2 (ru) | 2002-03-10 |
| ES2147014T3 (es) | 2000-08-16 |
| TW382619B (en) | 2000-02-21 |
| CN1199385A (zh) | 1998-11-18 |
| EP0852568B1 (en) | 2000-06-07 |
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