CA2510258A1 - Process for the preparation of catalyst microspheres - Google Patents
Process for the preparation of catalyst microspheres Download PDFInfo
- Publication number
- CA2510258A1 CA2510258A1 CA002510258A CA2510258A CA2510258A1 CA 2510258 A1 CA2510258 A1 CA 2510258A1 CA 002510258 A CA002510258 A CA 002510258A CA 2510258 A CA2510258 A CA 2510258A CA 2510258 A1 CA2510258 A1 CA 2510258A1
- Authority
- CA
- Canada
- Prior art keywords
- catalyst
- particles
- ingredients
- process according
- catalyst ingredients
- 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.)
- Abandoned
Links
- 239000003054 catalyst Substances 0.000 title claims abstract description 65
- 238000000034 method Methods 0.000 title claims abstract description 33
- 238000002360 preparation method Methods 0.000 title claims abstract description 9
- 239000004005 microsphere Substances 0.000 title description 2
- 239000002245 particle Substances 0.000 claims abstract description 49
- 239000004615 ingredient Substances 0.000 claims abstract description 40
- 239000007788 liquid Substances 0.000 claims abstract description 33
- 239000011230 binding agent Substances 0.000 claims abstract description 30
- 238000013019 agitation Methods 0.000 claims abstract description 8
- 238000005507 spraying Methods 0.000 claims abstract description 5
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 15
- 239000010457 zeolite Substances 0.000 claims description 15
- 239000000203 mixture Substances 0.000 claims description 14
- 239000000243 solution Substances 0.000 claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 239000004927 clay Substances 0.000 claims description 9
- 239000004411 aluminium Substances 0.000 claims description 8
- 229910052782 aluminium Inorganic materials 0.000 claims description 8
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 8
- 239000000725 suspension Substances 0.000 claims description 8
- 238000001354 calcination Methods 0.000 claims description 7
- 229910021536 Zeolite Inorganic materials 0.000 claims description 6
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims description 6
- 238000005243 fluidization Methods 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 5
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 3
- 229910052710 silicon Inorganic materials 0.000 claims description 3
- 239000010703 silicon Substances 0.000 claims description 3
- 239000000654 additive Substances 0.000 claims description 2
- 229910052570 clay Inorganic materials 0.000 claims description 2
- 239000003929 acidic solution Substances 0.000 claims 1
- 230000000996 additive effect Effects 0.000 claims 1
- 239000002002 slurry Substances 0.000 abstract description 6
- 238000001694 spray drying Methods 0.000 abstract description 6
- 239000007787 solid Substances 0.000 abstract description 5
- 230000015572 biosynthetic process Effects 0.000 abstract description 2
- 125000000129 anionic group Chemical group 0.000 description 13
- 238000004231 fluid catalytic cracking Methods 0.000 description 12
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 8
- 239000005995 Aluminium silicate Substances 0.000 description 7
- 235000012211 aluminium silicate Nutrition 0.000 description 7
- VXAUWWUXCIMFIM-UHFFFAOYSA-M aluminum;oxygen(2-);hydroxide Chemical compound [OH-].[O-2].[Al+3] VXAUWWUXCIMFIM-UHFFFAOYSA-M 0.000 description 7
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 7
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 6
- 229910017604 nitric acid Inorganic materials 0.000 description 6
- 238000001035 drying Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000000377 silicon dioxide Substances 0.000 description 4
- MXRIRQGCELJRSN-UHFFFAOYSA-N O.O.O.[Al] Chemical compound O.O.O.[Al] MXRIRQGCELJRSN-UHFFFAOYSA-N 0.000 description 3
- 238000004626 scanning electron microscopy Methods 0.000 description 3
- 239000011973 solid acid Substances 0.000 description 3
- 238000009827 uniform distribution Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 2
- 239000003463 adsorbent Substances 0.000 description 2
- 230000003197 catalytic effect Effects 0.000 description 2
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 229910052761 rare earth metal Inorganic materials 0.000 description 2
- 150000002910 rare earth metals Chemical class 0.000 description 2
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 2
- 150000003377 silicon compounds Chemical class 0.000 description 2
- 229910052726 zirconium Inorganic materials 0.000 description 2
- 229910017108 Fe—Fe Inorganic materials 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- 239000004113 Sepiolite Substances 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 230000029936 alkylation Effects 0.000 description 1
- 238000005804 alkylation reaction Methods 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 229910001570 bauxite Inorganic materials 0.000 description 1
- 239000000440 bentonite Substances 0.000 description 1
- 229910000278 bentonite Inorganic materials 0.000 description 1
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 1
- 229910001593 boehmite Inorganic materials 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 description 1
- IJKVHSBPTUYDLN-UHFFFAOYSA-N dihydroxy(oxo)silane Chemical compound O[Si](O)=O IJKVHSBPTUYDLN-UHFFFAOYSA-N 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000012013 faujasite Substances 0.000 description 1
- 229910001679 gibbsite Inorganic materials 0.000 description 1
- 230000003179 granulation Effects 0.000 description 1
- 238000005469 granulation Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 150000004679 hydroxides Chemical class 0.000 description 1
- FAHBNUUHRFUEAI-UHFFFAOYSA-M hydroxidooxidoaluminium Chemical compound O[Al]=O FAHBNUUHRFUEAI-UHFFFAOYSA-M 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000006317 isomerization reaction Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 229910052901 montmorillonite Inorganic materials 0.000 description 1
- 229910052680 mordenite Inorganic materials 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000002407 reforming Methods 0.000 description 1
- 229910000275 saponite Inorganic materials 0.000 description 1
- 229910052624 sepiolite Inorganic materials 0.000 description 1
- 235000019355 sepiolite Nutrition 0.000 description 1
- 229910021647 smectite Inorganic materials 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 230000007704 transition Effects 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
- 238000005406 washing Methods 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
- B01J37/0009—Use of binding agents; Moulding; Pressing; Powdering; Granulating; Addition of materials ameliorating the mechanical properties of the product catalyst
- B01J37/0063—Granulating
-
- 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
- B01J29/00—Catalysts comprising molecular sieves
- B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
-
- 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
- B01J29/00—Catalysts comprising molecular sieves
- B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
- B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
-
- 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
- B01J29/00—Catalysts comprising molecular sieves
- B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
- B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
- B01J29/08—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the faujasite type, e.g. type X or Y
- B01J29/084—Y-type faujasite
-
- 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
- B01J37/04—Mixing
-
- 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
- B01J37/08—Heat treatment
-
- 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
- B01J2229/00—Aspects of molecular sieve catalysts not covered by B01J29/00
- B01J2229/30—After treatment, characterised by the means used
- B01J2229/42—Addition of matrix or binder particles
-
- 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
- B01J35/40—Catalysts, in general, characterised by their form or physical properties characterised by dimensions, e.g. grain size
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Crystallography & Structural Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Catalysts (AREA)
- Glanulating (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP02080617 | 2002-12-18 | ||
| EP02080617.0 | 2002-12-18 | ||
| PCT/EP2003/014169 WO2004054713A1 (en) | 2002-12-18 | 2003-12-09 | Process for the preparation of catalyst microspheres |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2510258A1 true CA2510258A1 (en) | 2004-07-01 |
Family
ID=32524067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002510258A Abandoned CA2510258A1 (en) | 2002-12-18 | 2003-12-09 | Process for the preparation of catalyst microspheres |
Country Status (10)
| Country | Link |
|---|---|
| EP (1) | EP1572361A1 (zh) |
| JP (1) | JP2006510474A (zh) |
| KR (1) | KR20050085754A (zh) |
| CN (1) | CN1326618C (zh) |
| AU (1) | AU2003294844A1 (zh) |
| BR (1) | BR0317345A (zh) |
| CA (1) | CA2510258A1 (zh) |
| SA (1) | SA04250020B1 (zh) |
| TW (1) | TW200502039A (zh) |
| WO (1) | WO2004054713A1 (zh) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1824599B1 (en) * | 2004-12-21 | 2020-06-17 | Albemarle Netherlands B.V. | Attrition-resistant catalyst, a process for its preparation and its use |
| JP4859774B2 (ja) * | 2007-07-17 | 2012-01-25 | 日揮触媒化成株式会社 | 流動接触分解触媒の製造方法 |
| EP2981603A1 (en) | 2013-04-05 | 2016-02-10 | D'Alcante B.V. | Improved process for reducing the alcohol and/or sugar content of a beverage |
| CN103736489B (zh) * | 2013-12-24 | 2015-10-28 | 天津众智科技有限公司 | 丁烯氧化脱氢制备丁二烯流化床催化剂的制备方法 |
| GB201504072D0 (en) * | 2015-03-10 | 2015-04-22 | Metalysis Ltd | Method of producing metal |
| IL292545A (en) | 2017-11-28 | 2022-06-01 | Blue Tree Tech Ltd | Methods and systems for producing low sugar drinks |
| WO2020012351A1 (en) * | 2018-07-10 | 2020-01-16 | Reliance Industries Limited | Regenerative adsorbent composition for removal of chlorides from hydrocarbon and a process for its preparation |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0163836B1 (de) * | 1984-04-07 | 1988-10-12 | Bayer Ag | Verfahren und Vorrichtung zur Herstellung von Granulaten |
| US4737478A (en) * | 1986-07-02 | 1988-04-12 | Chevron Research Company | Process for the manufacture of spheroidal bodies by selective agglomeration |
| US5286370A (en) * | 1987-12-28 | 1994-02-15 | Mobil Oil Corporation | Catalytic cracking using a layered cracking catalyst |
| US5001096A (en) * | 1987-12-28 | 1991-03-19 | Mobil Oil Corporation | Metal passivating agents |
| CA1329580C (en) * | 1987-12-28 | 1994-05-17 | Pochen Chu | Catalytic cracking catalysts for metals laden feeds |
| US5254516A (en) * | 1992-03-26 | 1993-10-19 | Research Triangle Institute | Fluidizable zinc titanate materials with high chemical reactivity and attrition resistance |
| JP4266406B2 (ja) * | 1998-05-11 | 2009-05-20 | 日本ケッチェン株式会社 | 粒状触媒用担体及びこの担体を用いた触媒及び該触媒による炭化水素油の水素化処理方法 |
| BR0207085A (pt) * | 2001-02-09 | 2004-01-20 | Akzo Nobel Nv | Corpos contendo argila aniÈnica formada in situ |
| EP1264635A1 (en) * | 2001-06-05 | 2002-12-11 | Akzo Nobel N.V. | Process for the production of catalysts with improved accessibility |
-
2003
- 2003-12-09 CN CNB2003801065323A patent/CN1326618C/zh not_active Expired - Fee Related
- 2003-12-09 JP JP2004560394A patent/JP2006510474A/ja active Pending
- 2003-12-09 BR BR0317345-3A patent/BR0317345A/pt not_active IP Right Cessation
- 2003-12-09 WO PCT/EP2003/014169 patent/WO2004054713A1/en active Application Filing
- 2003-12-09 KR KR1020057011307A patent/KR20050085754A/ko not_active Application Discontinuation
- 2003-12-09 CA CA002510258A patent/CA2510258A1/en not_active Abandoned
- 2003-12-09 AU AU2003294844A patent/AU2003294844A1/en not_active Abandoned
- 2003-12-09 EP EP03785808A patent/EP1572361A1/en not_active Withdrawn
- 2003-12-17 TW TW092135811A patent/TW200502039A/zh unknown
-
2004
- 2004-03-03 SA SA4250020A patent/SA04250020B1/ar unknown
Also Published As
| Publication number | Publication date |
|---|---|
| EP1572361A1 (en) | 2005-09-14 |
| BR0317345A (pt) | 2005-11-08 |
| WO2004054713A1 (en) | 2004-07-01 |
| JP2006510474A (ja) | 2006-03-30 |
| TW200502039A (en) | 2005-01-16 |
| SA04250020B1 (ar) | 2008-06-09 |
| KR20050085754A (ko) | 2005-08-29 |
| CN1726083A (zh) | 2006-01-25 |
| CN1326618C (zh) | 2007-07-18 |
| AU2003294844A1 (en) | 2004-07-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1268431C (zh) | 生产具有改进之可及性的催化剂的方法 | |
| TWI649263B (zh) | 包含氧化硼之ｆｃｃ催化劑組合物 | |
| US7160830B2 (en) | Process for the preparation of catalyst microspheres | |
| TWI650176B (zh) | 含氧化硼及磷之ｆｃｃ觸媒組合物 | |
| CA2793566C (en) | Process for making improved zeolite catalysts from peptized aluminas | |
| JPH10118501A (ja) | ギブサイトを配合したメソ細孔性ｆｃｃ触媒 | |
| JP7064484B2 (ja) | 流動触媒のためにアルミナを解膠するプロセス | |
| TWI668303B (zh) | 在ｆｃｃ方法中之氧化硼 | |
| JPH11564A (ja) | 接触分解触媒 | |
| CA2510258A1 (en) | Process for the preparation of catalyst microspheres | |
| TWI546124B (zh) | 從黏土衍生之沸石製造改良之觸媒的方法 | |
| CA1131193A (en) | Octane improvement cracking catalyst | |
| JP2008544853A (ja) | ゼオライトおよび非ゼオライト成分を含んで成る触媒組成物の製造法 | |
| JPS5836637A (ja) | 触媒の製造法 | |
| JP2005169215A (ja) | 炭化水素流動接触分解用触媒組成物の製造方法およびその製造装置 | |
| JPS63185455A (ja) | 金属汚染原料の接触分解 | |
| JP4541688B2 (ja) | イソパラフィン−オレフィンアルキル化法 | |
| WO1999019251A1 (en) | Solid particle manufacture | |
| JP4508617B2 (ja) | イソパラフィン−オレフィンアルキル化用ゼオライト触媒および該触媒を用いたアルキル化法 | |
| JPH06182211A (ja) | 接触分解用触媒の製造方法 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| FZDE | Discontinued |