CN100447083C - 细碎的热解制备的金属氧化物颗粒的净化 - Google Patents
细碎的热解制备的金属氧化物颗粒的净化 Download PDFInfo
- Publication number
- CN100447083C CN100447083C CNB2004800238118A CN200480023811A CN100447083C CN 100447083 C CN100447083 C CN 100447083C CN B2004800238118 A CNB2004800238118 A CN B2004800238118A CN 200480023811 A CN200480023811 A CN 200480023811A CN 100447083 C CN100447083 C CN 100447083C
- Authority
- CN
- China
- Prior art keywords
- metal oxide
- post
- oxide particle
- steam
- temperature
- 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
Links
- 239000002245 particle Substances 0.000 title claims abstract description 58
- 229910044991 metal oxide Inorganic materials 0.000 title claims abstract description 52
- 150000004706 metal oxides Chemical class 0.000 title claims abstract description 52
- 238000000746 purification Methods 0.000 title description 4
- 238000000034 method Methods 0.000 claims abstract description 37
- 230000005484 gravity Effects 0.000 claims abstract description 3
- 125000005843 halogen group Chemical group 0.000 claims description 11
- 239000007789 gas Substances 0.000 claims description 8
- 230000007062 hydrolysis Effects 0.000 claims description 6
- 238000006460 hydrolysis reaction Methods 0.000 claims description 6
- 239000002994 raw material Substances 0.000 claims description 5
- 230000002411 adverse Effects 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 230000001590 oxidative effect Effects 0.000 claims description 2
- 239000000376 reactant Substances 0.000 claims description 2
- -1 halide compounds Chemical class 0.000 abstract description 5
- 150000004820 halides Chemical group 0.000 abstract description 5
- 239000000843 powder Substances 0.000 description 20
- 229910004298 SiO 2 Inorganic materials 0.000 description 14
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 9
- 230000008719 thickening Effects 0.000 description 9
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 8
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 238000002360 preparation method Methods 0.000 description 5
- 238000005259 measurement Methods 0.000 description 4
- 239000000377 silicon dioxide Substances 0.000 description 4
- 239000002253 acid Substances 0.000 description 3
- 230000001464 adherent effect Effects 0.000 description 3
- 239000006185 dispersion Substances 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 238000000197 pyrolysis Methods 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- 239000004408 titanium dioxide Substances 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 2
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 1
- 229910003978 SiClx Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 229910000416 bismuth oxide Inorganic materials 0.000 description 1
- 229960004424 carbon dioxide Drugs 0.000 description 1
- 229910002090 carbon oxide Inorganic materials 0.000 description 1
- 229910000420 cerium oxide Inorganic materials 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- TYIXMATWDRGMPF-UHFFFAOYSA-N dibismuth;oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Bi+3].[Bi+3] TYIXMATWDRGMPF-UHFFFAOYSA-N 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910001510 metal chloride Inorganic materials 0.000 description 1
- 229910001507 metal halide Inorganic materials 0.000 description 1
- 150000005309 metal halides Chemical class 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 150000002902 organometallic compounds Chemical class 0.000 description 1
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical compound [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 description 1
- 239000011164 primary particle Substances 0.000 description 1
- 230000001698 pyrogenic effect Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 229960001866 silicon dioxide Drugs 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 1
- 229910001887 tin oxide Inorganic materials 0.000 description 1
- XJDNKRIXUMDJCW-UHFFFAOYSA-J titanium tetrachloride Chemical compound Cl[Ti](Cl)(Cl)Cl XJDNKRIXUMDJCW-UHFFFAOYSA-J 0.000 description 1
- 229920006337 unsaturated polyester resin Polymers 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B33/00—Silicon; Compounds thereof
- C01B33/113—Silicon oxides; Hydrates thereof
- C01B33/12—Silica; Hydrates thereof, e.g. lepidoic silicic acid
- C01B33/18—Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B13/00—Oxygen; Ozone; Oxides or hydroxides in general
- C01B13/14—Methods for preparing oxides or hydroxides in general
- C01B13/145—After-treatment of oxides or hydroxides, e.g. pulverising, drying, decreasing the acidity
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F7/00—Compounds of aluminium
- C01F7/02—Aluminium oxide; Aluminium hydroxide; Aluminates
- C01F7/021—After-treatment of oxides or hydroxides
-
- 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
- C01G23/075—Evacuation and cooling of the gaseous suspension containing the oxide; Desacidification and elimination of gases occluded in the separated oxide
-
- 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
- C01P2006/22—Rheological behaviour as dispersion, e.g. viscosity, sedimentation stability
-
- 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
-
- 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
- C01P2006/90—Other properties not specified above
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Silicon Compounds (AREA)
- Oxygen, Ozone, And Oxides In General (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Abstract
Description
Claims (10)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10338219 | 2003-08-20 | ||
DE10338219.4 | 2003-08-20 | ||
DE10342827.5 | 2003-09-17 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1839098A CN1839098A (zh) | 2006-09-27 |
CN100447083C true CN100447083C (zh) | 2008-12-31 |
Family
ID=34201729
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2004800238118A Expired - Lifetime CN100447083C (zh) | 2003-08-20 | 2004-06-22 | 细碎的热解制备的金属氧化物颗粒的净化 |
Country Status (3)
Country | Link |
---|---|
JP (1) | JP4778427B2 (zh) |
CN (1) | CN100447083C (zh) |
DE (1) | DE10342827A1 (zh) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5231195B2 (ja) * | 2008-12-18 | 2013-07-10 | 東邦チタニウム株式会社 | 低ハロゲン酸化チタン粉末の製造方法 |
CN109999734B (zh) * | 2019-04-18 | 2021-01-01 | 山东大学 | 一种逆向流动换热与反应的装置与方法 |
WO2021121557A1 (de) | 2019-12-17 | 2021-06-24 | Wacker Chemie Ag | Wirbelschichtreaktor zur steuerung der verweilzeitverteilung in kontinuierlich betriebenen wirbelschichten |
EP4291528A1 (en) | 2021-02-11 | 2023-12-20 | Evonik Operations GmbH | Fumed silica powder with reduced silanol group density |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1003957A (en) * | 1961-04-20 | 1965-09-08 | Degussa | A process for the purification of highly dispersed oxides of silicon, aluminium, titanium and/or zirconium |
GB1197271A (en) * | 1967-01-21 | 1970-07-01 | Degussa | Process for the Purification of Finely Divided Oxides |
EP0709340A1 (en) * | 1994-10-27 | 1996-05-01 | Shin-Etsu Chemical Co., Ltd. | Method for purifying fine particulate silica |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19921059A1 (de) * | 1999-05-07 | 2000-11-16 | Heraeus Quarzglas | Verfahren zum Reinigen von Si0¶2¶-Partikeln, Vorrichtung zur Durchführung des Verfahrens, und nach dem Verfahren hergestellte Körnung |
-
2003
- 2003-09-17 DE DE10342827A patent/DE10342827A1/de not_active Withdrawn
-
2004
- 2004-06-22 CN CNB2004800238118A patent/CN100447083C/zh not_active Expired - Lifetime
- 2004-06-22 JP JP2006523536A patent/JP4778427B2/ja not_active Expired - Lifetime
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1003957A (en) * | 1961-04-20 | 1965-09-08 | Degussa | A process for the purification of highly dispersed oxides of silicon, aluminium, titanium and/or zirconium |
GB1197271A (en) * | 1967-01-21 | 1970-07-01 | Degussa | Process for the Purification of Finely Divided Oxides |
EP0709340A1 (en) * | 1994-10-27 | 1996-05-01 | Shin-Etsu Chemical Co., Ltd. | Method for purifying fine particulate silica |
Also Published As
Publication number | Publication date |
---|---|
JP4778427B2 (ja) | 2011-09-21 |
CN1839098A (zh) | 2006-09-27 |
DE10342827A1 (de) | 2005-03-17 |
JP2007502766A (ja) | 2007-02-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US7897256B2 (en) | Surface-modified, doped, pyrogenically produced oxides | |
US6328944B1 (en) | Doped, pyrogenically prepared oxides | |
JP3469141B2 (ja) | エーロゾルを用いて酸化アルミニウムをドーピングした熱分解法二酸化珪素、その製法、その使用およびその配合物 | |
US3924029A (en) | Method of modifying the surface properties of finely divided metal oxides | |
RU2198138C2 (ru) | СПОСОБ ОЧИСТКИ ЧАСТИЦ SiO2, УСТРОЙСТВО ДЛЯ ОСУЩЕСТВЛЕНИЯ СПОСОБА И ЗЕРНО, ПОЛУЧЕННОЕ СОГЛАСНО СПОСОБУ | |
AU644860B2 (en) | Producing high purity silica | |
EP1741672A1 (en) | Process for producing hydrophobic silica powder | |
US20070186816A1 (en) | Silicon-titanium mixed oxide powder produced by flame hydrolysis | |
CN103260716A (zh) | 在涉及歧化操作的基本闭环方法中制备多晶硅 | |
JP2002255534A (ja) | 高次構造を有する沈澱シリカ | |
EP1370490A1 (de) | Verfahren zur herstellung von chlorsilanen | |
US7785560B2 (en) | Purification of finely divided, pyrogenically prepared metal oxide particles | |
CN100447083C (zh) | 细碎的热解制备的金属氧化物颗粒的净化 | |
JP2001220126A (ja) | 結晶質合成シリカ粉体及びこれを用いたガラス成形体 | |
AU2264600A (en) | Solicon-aluminium mixed oxide | |
US6797249B2 (en) | Process for the preparation of amorphous silica | |
US3043657A (en) | Production of metal oxides | |
EP0801026B1 (en) | Process for producing synthetic quartz powder | |
US3329483A (en) | Fluidized bed process for producing pigmentary titanium dioxide with reduced accretion therein | |
JPH0324089A (ja) | 有機ケイ素化合物の精製方法 | |
JPH075308B2 (ja) | 酸化亜鉛の製造方法 | |
JPH0331648B2 (zh) | ||
JPH07502006A (ja) | 表面に結合されたハロゲンを有する微小粒状シリコーン、その製造方法及びその用途 | |
JPH07267639A (ja) | 微細粒の二酸化スズ粉末の製造方法 | |
JPH0336761B2 (zh) |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C56 | Change in the name or address of the patentee |
Owner name: EVONIK DEGUSSA CO., LTD. Free format text: FORMER NAME: DECOUCHY STOCK COMPANY |
|
CP03 | Change of name, title or address |
Address after: essen Patentee after: Evonik Degussa GmbH Address before: Dusseldorf, Germany Patentee before: Degussa AG |
|
CP01 | Change in the name or title of a patent holder | ||
CP01 | Change in the name or title of a patent holder |
Address after: Essen, Germany Patentee after: Evonik Operations Ltd. Address before: Essen, Germany Patentee before: EVONIK DEGUSSA GmbH |
|
CX01 | Expiry of patent term | ||
CX01 | Expiry of patent term |
Granted publication date: 20081231 |