DE2615867C3 - Verfahren zur Herstellung kugeliger Tonerdeteilchen - Google Patents
Verfahren zur Herstellung kugeliger TonerdeteilchenInfo
- Publication number
- DE2615867C3 DE2615867C3 DE2615867A DE2615867A DE2615867C3 DE 2615867 C3 DE2615867 C3 DE 2615867C3 DE 2615867 A DE2615867 A DE 2615867A DE 2615867 A DE2615867 A DE 2615867A DE 2615867 C3 DE2615867 C3 DE 2615867C3
- Authority
- DE
- Germany
- Prior art keywords
- mixture
- temperature
- hydrosol
- aluminum
- particles
- 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
- 239000002245 particle Substances 0.000 title description 25
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 title description 20
- 238000000034 method Methods 0.000 title description 13
- 238000004519 manufacturing process Methods 0.000 title description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 34
- 239000000203 mixture Substances 0.000 description 19
- VKYKSIONXSXAKP-UHFFFAOYSA-N hexamethylenetetramine Chemical group C1N(C2)CN3CN1CN2C3 VKYKSIONXSXAKP-UHFFFAOYSA-N 0.000 description 18
- 229910021529 ammonia Inorganic materials 0.000 description 17
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 description 16
- 239000002243 precursor Substances 0.000 description 14
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 13
- 239000007789 gas Substances 0.000 description 12
- 229910052782 aluminium Inorganic materials 0.000 description 11
- 239000002253 acid Substances 0.000 description 10
- 230000002378 acidificating effect Effects 0.000 description 10
- 150000001450 anions Chemical class 0.000 description 9
- 235000010299 hexamethylene tetramine Nutrition 0.000 description 8
- 239000004312 hexamethylene tetramine Substances 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 7
- 239000003054 catalyst Substances 0.000 description 7
- 239000000243 solution Substances 0.000 description 7
- 230000032683 aging Effects 0.000 description 4
- 230000003197 catalytic effect Effects 0.000 description 4
- 239000004927 clay Substances 0.000 description 4
- 230000007547 defect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000000017 hydrogel Substances 0.000 description 4
- 238000006386 neutralization reaction Methods 0.000 description 4
- 239000012798 spherical particle Substances 0.000 description 4
- -1 Aluminum oxychloride Chemical compound 0.000 description 3
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical class [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 3
- 239000007864 aqueous solution Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000001354 calcination Methods 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 239000008131 herbal destillate Substances 0.000 description 3
- 230000007062 hydrolysis Effects 0.000 description 3
- 238000006460 hydrolysis reaction Methods 0.000 description 3
- 230000003472 neutralizing effect Effects 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 2
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 239000000499 gel Substances 0.000 description 2
- 239000007863 gel particle Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- PAWQVTBBRAZDMG-UHFFFAOYSA-N 2-(3-bromo-2-fluorophenyl)acetic acid Chemical compound OC(=O)CC1=CC=CC(Br)=C1F PAWQVTBBRAZDMG-UHFFFAOYSA-N 0.000 description 1
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 description 1
- RBSBTRALZZSVBA-FXBHKIKWSA-N Solamin Natural products O=C1C(CCCCCCCCCCCC[C@@H](O)[C@@H]2O[C@H]([C@H](O)CCCCCCCCCCCC)CC2)=C[C@H](C)O1 RBSBTRALZZSVBA-FXBHKIKWSA-N 0.000 description 1
- QUMHDXJIDPCZCB-UHFFFAOYSA-N Solamine Natural products CN(C)CCCCNCCCCN(C)C QUMHDXJIDPCZCB-UHFFFAOYSA-N 0.000 description 1
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
- ILXDAXZQNSOSAE-UHFFFAOYSA-N [AlH3].[Cl] Chemical compound [AlH3].[Cl] ILXDAXZQNSOSAE-UHFFFAOYSA-N 0.000 description 1
- HDYRYUINDGQKMC-UHFFFAOYSA-M acetyloxyaluminum;dihydrate Chemical compound O.O.CC(=O)O[Al] HDYRYUINDGQKMC-UHFFFAOYSA-M 0.000 description 1
- 229940009827 aluminum acetate Drugs 0.000 description 1
- NNCOOIBIVIODKO-UHFFFAOYSA-N aluminum;hypochlorous acid Chemical compound [Al].ClO NNCOOIBIVIODKO-UHFFFAOYSA-N 0.000 description 1
- 239000000908 ammonium hydroxide Substances 0.000 description 1
- 239000012736 aqueous medium Substances 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 239000004202 carbamide Substances 0.000 description 1
- 239000012876 carrier material Substances 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 238000001879 gelation Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 229920000592 inorganic polymer Polymers 0.000 description 1
- 229910052741 iridium Inorganic materials 0.000 description 1
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910052762 osmium Inorganic materials 0.000 description 1
- SYQBFIAQOQZEGI-UHFFFAOYSA-N osmium atom Chemical compound [Os] SYQBFIAQOQZEGI-UHFFFAOYSA-N 0.000 description 1
- SIWVEOZUMHYXCS-UHFFFAOYSA-N oxo(oxoyttriooxy)yttrium Chemical compound O=[Y]O[Y]=O SIWVEOZUMHYXCS-UHFFFAOYSA-N 0.000 description 1
- OOAWCECZEHPMBX-UHFFFAOYSA-N oxygen(2-);uranium(4+) Chemical compound [O-2].[O-2].[U+4] OOAWCECZEHPMBX-UHFFFAOYSA-N 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000005325 percolation Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 229910052703 rhodium Inorganic materials 0.000 description 1
- 239000010948 rhodium Substances 0.000 description 1
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 1
- 229910052707 ruthenium Inorganic materials 0.000 description 1
- 239000012266 salt solution Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- FCTBKIHDJGHPPO-UHFFFAOYSA-N uranium dioxide Inorganic materials O=[U]=O FCTBKIHDJGHPPO-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
- B01J2/02—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic by dividing the liquid material into drops, e.g. by spraying, and solidifying the drops
- B01J2/06—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic by dividing the liquid material into drops, e.g. by spraying, and solidifying the drops in a liquid medium
- B01J2/08—Gelation of a colloidal solution
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
- B01J21/02—Boron or aluminium; Oxides or hydroxides thereof
- B01J21/04—Alumina
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/50—Catalysts, in general, characterised by their form or physical properties characterised by their shape or configuration
- B01J35/51—Spheres
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/30—Particle morphology extending in three dimensions
- C01P2004/32—Spheres
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Dispersion Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Catalysts (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/568,765 US3979334A (en) | 1975-04-16 | 1975-04-16 | Manufacture of spheroidal alumina particles |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2615867A1 DE2615867A1 (de) | 1976-10-21 |
| DE2615867B2 DE2615867B2 (de) | 1979-04-19 |
| DE2615867C3 true DE2615867C3 (de) | 1979-12-20 |
Family
ID=24272642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2615867A Expired DE2615867C3 (de) | 1975-04-16 | 1976-04-10 | Verfahren zur Herstellung kugeliger Tonerdeteilchen |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3979334A (enExample) |
| JP (1) | JPS5813495B2 (enExample) |
| CA (1) | CA1090536A (enExample) |
| DE (1) | DE2615867C3 (enExample) |
| FR (1) | FR2307766A1 (enExample) |
| GB (1) | GB1535808A (enExample) |
Families Citing this family (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1603461A (en) * | 1977-03-25 | 1981-11-25 | Grace W R & Co | Process for preparing crystalline allumina |
| US4179408A (en) * | 1977-03-25 | 1979-12-18 | W. R. Grace & Co. | Process for preparing spheroidal alumina particles |
| FR2399276A1 (fr) * | 1977-08-03 | 1979-03-02 | Rhone Poulenc Ind | Procede de fabrication de billes d'alumine |
| US4368132A (en) * | 1978-09-18 | 1983-01-11 | Exxon Research And Engineering Co. | Composition for use in a magnetically fluidized bed |
| US4367153A (en) * | 1978-09-18 | 1983-01-04 | Exxon Research And Engineering Co. | Composition for use in a magnetically fluidized bed |
| JPS5560022A (en) * | 1978-10-26 | 1980-05-06 | Nikki Universal Co Ltd | Production of spherical alumina |
| JPS5814365B2 (ja) * | 1978-11-06 | 1983-03-18 | 日揮ユニバ−サル株式会社 | 球形アルミナの製造法 |
| US4216122A (en) * | 1978-11-13 | 1980-08-05 | Uop Inc. | Manufacture of high surface area spheroidal alumina particles having a high average bulk density |
| US4390456A (en) * | 1979-08-08 | 1983-06-28 | W. R. Grace & Co. | Spheroidal alumina particles and catalysts employing the particles as a support |
| US4394282A (en) * | 1980-12-19 | 1983-07-19 | Exxon Research And Engineering Co. | Composition for use in a magnetically fluidized bed |
| US4399047A (en) * | 1980-12-19 | 1983-08-16 | Exxon Research And Engineering Co. | Composition for use in a magnetically fluidized bed |
| US4541925A (en) * | 1982-09-22 | 1985-09-17 | Exxon Research And Engineering Co. | Composition and hydrotreating process for the operation of a magnetically stabilized fluidized bed |
| US4541920A (en) * | 1982-09-22 | 1985-09-17 | Exxon Research And Engineering Co. | Composition and reforming process for the operation of a magnetically stabilized fluidized bed |
| US4541924A (en) * | 1982-09-22 | 1985-09-17 | Exxon Research And Engineering Co. | Composition and hydrotreating process for the operation of a magnetically stabilized fluidized bed |
| FR2537889B1 (fr) * | 1982-12-20 | 1992-10-09 | Pro Catalyse | Procede de traitement d'hydrocarbures en presence d'un catalyseur a base de billes d'alumine mises en forme par coagulation en gouttes |
| US4717049A (en) * | 1984-04-05 | 1988-01-05 | Mobil Oil Corporation | Droplet generating apparatus |
| US4865444A (en) * | 1984-04-05 | 1989-09-12 | Mobil Oil Corporation | Apparatus and method for determining luminosity of hydrocarbon fuels |
| CA1235367A (en) * | 1984-04-05 | 1988-04-19 | Gary J. Green | Method and apparatus for producing uniform liquid droplets |
| US4819831A (en) * | 1984-04-05 | 1989-04-11 | Mobil Oil Corporation | Droplet generating apparatus |
| JP6623943B2 (ja) | 2016-06-14 | 2019-12-25 | 東京エレクトロン株式会社 | 半導体装置の製造方法、熱処理装置及び記憶媒体。 |
| RU2765118C1 (ru) * | 2021-03-24 | 2022-01-25 | Публичное акционерное общество "Нефтяная компания "Роснефть" (ПАО "НК "Роснефть") | Способ получения сферического алюмооксидного носителя |
| CN117735961B (zh) * | 2023-12-21 | 2024-05-31 | 任红波 | 一种滴定法制备氧化铝研磨介质的方法 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL76445C (enExample) * | 1950-03-08 | |||
| CA880220A (en) * | 1966-05-26 | 1971-09-07 | D. Vesely Kenneth | Preparation of spherical inorganic oxide particles |
| US3600129A (en) * | 1969-06-17 | 1971-08-17 | Universal Oil Prod Co | Manufacture of low bulk density high strength spherical alumina particles |
-
1975
- 1975-04-16 US US05/568,765 patent/US3979334A/en not_active Expired - Lifetime
-
1976
- 1976-04-10 DE DE2615867A patent/DE2615867C3/de not_active Expired
- 1976-04-14 FR FR7610996A patent/FR2307766A1/fr active Granted
- 1976-04-14 CA CA250,241A patent/CA1090536A/en not_active Expired
- 1976-04-15 GB GB15490/76A patent/GB1535808A/en not_active Expired
- 1976-04-16 JP JP51042595A patent/JPS5813495B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5813495B2 (ja) | 1983-03-14 |
| CA1090536A (en) | 1980-12-02 |
| DE2615867B2 (de) | 1979-04-19 |
| JPS51133194A (en) | 1976-11-18 |
| US3979334A (en) | 1976-09-07 |
| FR2307766A1 (fr) | 1976-11-12 |
| GB1535808A (en) | 1978-12-13 |
| DE2615867A1 (de) | 1976-10-21 |
| FR2307766B1 (enExample) | 1980-03-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE2615867C3 (de) | Verfahren zur Herstellung kugeliger Tonerdeteilchen | |
| EP0090994B1 (de) | Verfahren zur Herstellung von kugelförmiger Tonerde | |
| EP0849224A1 (de) | Monoklines Zirconiumdioxid mit hoher Oberfläche | |
| DE2812875C2 (enExample) | ||
| GB2031394A (en) | Alumina catalyst carrier | |
| DE2908740C3 (de) | Verfahren zur Herstellung von kugelförmigen Tonerdepartikeln | |
| DE2615868B2 (de) | Verfahren zur Herstellung kugeliger Tonerdeteilchen | |
| DE2742709C2 (de) | Verfahren zur Herstellung praktisch sphärischer Aluminiumoxidteilchen | |
| DE4238640C2 (de) | Verfahren zur Hydrierung wenigstens einer der Verbindungen CO und CO¶2¶ | |
| DE2635538A1 (de) | Verfahren zur herstellung eines katalysators und dessen verwendung | |
| DE2945755C2 (de) | Verfahren zur Herstellung kugeliger Tonerdeteilchen mit großer Dichte | |
| DE2942768A1 (de) | Verfahren zur herstellung von sphaerischen aluminiumoxid-teilchen | |
| DE1008260B (de) | Verfahren zur Herstellung von Traeger-katalysatoren, die insbesondere zur Umwandlung von Kohlenwasserstoffen geeignet sind | |
| DE2214401A1 (de) | Verfahren zur Herstellung von ge formten Gegenstanden aus Aluminiumoxid | |
| DE2506757A1 (de) | Herstellung von katalysatoren auf der basis von aluminiumoxyd | |
| DE2506756A1 (de) | Herstellung von aluminiumoxyd- teilchen | |
| DE2652116A1 (de) | Poroese hitzebestaendige anorganische oxidteilchen und deren verwendung | |
| DE2006976C3 (de) | Verfahren zur Herstellung von Siliciumdioxyd-Aluminiumoxyd-Katalysatorteilchen | |
| DE1792388C3 (de) | Verfahren zur Herstellung von Chromoxyd-Aluminiumoxyd-Katalysatoren | |
| DE2538953C3 (de) | Verfahren zur Herstellung eines Katalysators und dessen Verwendung | |
| DE1442856C (de) | Verfahren zur Herstellung eines Aluminosilicatkatalysators | |
| DE1442859C (de) | Verfahren zur Herstellung eines abriebfesten kristallinen Siliciumdioxyd, Metalloxyd und Seltene Erden enthaltenden Aluminosilicatkatalysators | |
| DE1767710C3 (de) | Verfahren zum Auftragen gleichmäßiger Überzüge großer Oberfläche aus aktivem Aluminiumoxid auf Katalysatorträger | |
| AT226651B (de) | Verfahren zur Herstellung wasserhaltiger Tonerde | |
| DE1442703C3 (de) | Verfahren zur Herstellung eines Kieselsäure, Aluminiumoxid und Magnesiumoxid enthaltenden Crackkatalysators |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| BI | Miscellaneous see part 2 | ||
| C3 | Grant after two publication steps (3rd publication) | ||
| 8339 | Ceased/non-payment of the annual fee |