BR8902341A - Processo para manter a atividade de um catalisador de zeolita - Google Patents
Processo para manter a atividade de um catalisador de zeolitaInfo
- Publication number
- BR8902341A BR8902341A BR898902341A BR8902341A BR8902341A BR 8902341 A BR8902341 A BR 8902341A BR 898902341 A BR898902341 A BR 898902341A BR 8902341 A BR8902341 A BR 8902341A BR 8902341 A BR8902341 A BR 8902341A
- Authority
- BR
- Brazil
- Prior art keywords
- activity
- maintain
- zeolite catalyst
- zeolite
- catalyst
- Prior art date
Links
- 239000003054 catalyst Substances 0.000 title 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
- B01J29/00—Catalysts comprising molecular sieves
- B01J29/90—Regeneration or reactivation
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C209/00—Preparation of compounds containing amino groups bound to a carbon skeleton
- C07C209/04—Preparation of compounds containing amino groups bound to a carbon skeleton by substitution of functional groups by amino groups
- C07C209/14—Preparation of compounds containing amino groups bound to a carbon skeleton by substitution of functional groups by amino groups by substitution of hydroxy groups or of etherified or esterified hydroxy groups
- C07C209/16—Preparation of compounds containing amino groups bound to a carbon skeleton by substitution of functional groups by amino groups by substitution of hydroxy groups or of etherified or esterified hydroxy groups with formation of amino groups bound to acyclic carbon atoms or to carbon atoms of rings other than six-membered aromatic rings
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/582—Recycling of unreacted starting or intermediate materials
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Crystallography & Structural Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Catalysts (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12196688 | 1988-05-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR8902341A true BR8902341A (pt) | 1990-01-09 |
Family
ID=14824291
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR898902341A BR8902341A (pt) | 1988-05-20 | 1989-05-19 | Processo para manter a atividade de um catalisador de zeolita |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US5068442A (pt) |
| EP (1) | EP0342999B1 (pt) |
| JP (1) | JP2896787B2 (pt) |
| KR (1) | KR920003076B1 (pt) |
| CN (1) | CN1023477C (pt) |
| BR (1) | BR8902341A (pt) |
| CA (1) | CA1332933C (pt) |
| DE (1) | DE68908010T2 (pt) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW420657B (en) * | 1995-09-14 | 2001-02-01 | Mitsubishi Rayon Co | Production of methylamines |
| DE10255294A1 (de) * | 2002-11-26 | 2004-06-03 | Basf Ag | Kontinuierliche Verfahren und Reaktor zur Herstellung von Alkylaminen |
| CN1299986C (zh) * | 2004-12-02 | 2007-02-14 | 复旦大学 | 一种全硅有机无机碳杂化沸石固体酸微孔材料及其制备方法 |
| CN102096328B (zh) * | 2010-12-03 | 2012-11-21 | 深圳市华星光电技术有限公司 | 液晶面板的曝光工序及其掩膜 |
| US10183906B2 (en) * | 2014-06-20 | 2019-01-22 | Bp Chemicals Limited | Catalytic performance in processes for preparing acetic acid |
| CN114713270B (zh) * | 2021-01-06 | 2024-07-30 | 中国石油天然气股份有限公司 | 一种轻油型加氢裂化催化剂及其制备方法、硫化型加氢裂化催化剂 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4254061A (en) * | 1979-09-11 | 1981-03-03 | E. I. Du Pont De Nemours And Company | Preparation of monomethylamine |
| US4370503A (en) * | 1981-03-24 | 1983-01-25 | E. I. Du Pont De Nemours And Company | Catalyst for methylamines production |
| DE3263547D1 (en) * | 1981-09-18 | 1985-06-20 | Ici Plc | Manufacture of methylamines |
| US4418214A (en) * | 1982-10-18 | 1983-11-29 | Air Products And Chemicals, Inc. | Hydrogen recovery by alcohol scrubbing in alcohol amination |
| JPS59227841A (ja) * | 1983-06-08 | 1984-12-21 | Nitto Chem Ind Co Ltd | ジメチルアミンの選択的製造法 |
| US4683334A (en) * | 1985-04-30 | 1987-07-28 | E. I. Du Pont De Nemours & Company | Modified 8-ring zeolites as catalysts for conversion of methanol and ammonia to dimethylamine |
-
1989
- 1989-05-16 JP JP1120470A patent/JP2896787B2/ja not_active Expired - Lifetime
- 1989-05-17 US US07/353,446 patent/US5068442A/en not_active Expired - Lifetime
- 1989-05-18 CA CA000600045A patent/CA1332933C/en not_active Expired - Lifetime
- 1989-05-19 DE DE89305085T patent/DE68908010T2/de not_active Expired - Lifetime
- 1989-05-19 EP EP89305085A patent/EP0342999B1/en not_active Expired - Lifetime
- 1989-05-19 BR BR898902341A patent/BR8902341A/pt not_active IP Right Cessation
- 1989-05-20 KR KR1019890006769A patent/KR920003076B1/ko not_active Expired
- 1989-10-31 CN CN89108263A patent/CN1023477C/zh not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US5068442A (en) | 1991-11-26 |
| EP0342999A3 (en) | 1990-12-27 |
| EP0342999A2 (en) | 1989-11-23 |
| CN1051310A (zh) | 1991-05-15 |
| DE68908010T2 (de) | 1993-11-18 |
| DE68908010D1 (de) | 1993-09-09 |
| CN1023477C (zh) | 1994-01-12 |
| KR900017661A (ko) | 1990-12-19 |
| KR920003076B1 (ko) | 1992-04-13 |
| JP2896787B2 (ja) | 1999-05-31 |
| EP0342999B1 (en) | 1993-08-04 |
| JPH0263554A (ja) | 1990-03-02 |
| CA1332933C (en) | 1994-11-08 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FF | Decision: intention to grant | ||
| KD | Notifcation of receipt (letter patent) | ||
| FG | Letter patent granted | ||
| TE | Change of address | ||
| PC | Transfer |
Free format text: MITSUBISHI RAYON CO., LTD. (JP) |
|
| B21A | Expiry acc. art. 78, item i of ipl- expiry of the term of protection |
Free format text: PATENTE EXTINTA EM 19/05/2004 |