DE69717191T2 - Verfahren zur Regenerierung eines Katalysators auf der Basis von dreiwertigen Chromverbindungen - Google Patents
Verfahren zur Regenerierung eines Katalysators auf der Basis von dreiwertigen ChromverbindungenInfo
- Publication number
- DE69717191T2 DE69717191T2 DE69717191T DE69717191T DE69717191T2 DE 69717191 T2 DE69717191 T2 DE 69717191T2 DE 69717191 T DE69717191 T DE 69717191T DE 69717191 T DE69717191 T DE 69717191T DE 69717191 T2 DE69717191 T2 DE 69717191T2
- Authority
- DE
- Germany
- Prior art keywords
- catalyst
- compounds
- iii
- inert gas
- 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 - Fee Related
Links
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
- B01J38/00—Regeneration or reactivation of catalysts, in general
- B01J38/04—Gas or vapour treating; Treating by using liquids vaporisable upon contacting spent catalyst
-
- 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
- B01J38/00—Regeneration or reactivation of catalysts, in general
- B01J38/04—Gas or vapour treating; Treating by using liquids vaporisable upon contacting spent catalyst
- B01J38/12—Treating with free oxygen-containing gas
- B01J38/18—Treating with free oxygen-containing gas with subsequent reactive gas treating
-
- 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
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/90—Regeneration or reactivation
- B01J23/92—Regeneration or reactivation of catalysts comprising metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
-
- 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
- B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
- B01J27/28—Regeneration or reactivation
- B01J27/32—Regeneration or reactivation of catalysts comprising compounds of halogens
-
- 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
- B01J38/00—Regeneration or reactivation of catalysts, in general
- B01J38/02—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
- B01J38/00—Regeneration or reactivation of catalysts, in general
- B01J38/04—Gas or vapour treating; Treating by using liquids vaporisable upon contacting spent catalyst
- B01J38/12—Treating with free oxygen-containing gas
-
- 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
- Y02P20/584—Recycling of catalysts
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Catalysts (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT96MI000891A IT1282960B1 (it) | 1996-05-06 | 1996-05-06 | Processo per la rigenerazione di un catalizzatore a base di composti cromo trivalente |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE69717191D1 DE69717191D1 (de) | 2003-01-02 |
| DE69717191T2 true DE69717191T2 (de) | 2003-07-10 |
Family
ID=11374203
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE69717191T Expired - Fee Related DE69717191T2 (de) | 1996-05-06 | 1997-04-24 | Verfahren zur Regenerierung eines Katalysators auf der Basis von dreiwertigen Chromverbindungen |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US5817895A (2) |
| EP (1) | EP0806241B1 (2) |
| JP (1) | JPH1043607A (2) |
| KR (1) | KR970073686A (2) |
| CN (1) | CN1091652C (2) |
| AT (1) | ATE228032T1 (2) |
| AU (1) | AU712733B2 (2) |
| BR (1) | BR9703059A (2) |
| CA (1) | CA2204584A1 (2) |
| DE (1) | DE69717191T2 (2) |
| IN (1) | IN191115B (2) |
| IT (1) | IT1282960B1 (2) |
| TW (1) | TW409073B (2) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9302961B2 (en) | 2011-01-21 | 2016-04-05 | Arkema France | Catalytic gas phase fluorination |
| FR3045029B1 (fr) * | 2015-12-14 | 2025-10-31 | Arkema France | Fluoration catalytique en phase gazeuse avec des catalyseurs a base de chrome |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5641113B2 (2) * | 1973-12-13 | 1981-09-25 | ||
| US5262574A (en) * | 1987-03-09 | 1993-11-16 | Ausimont S.P.A. | Process for preparing 1,1,1-trifluoro-2,2-dichloroethane by hydrofluorination in the presence of catalysts |
| CN1044095C (zh) * | 1990-09-14 | 1999-07-14 | 帝国化学工业公司 | 再生氟化催化剂的方法 |
| DE69024653T2 (de) * | 1990-10-22 | 1996-06-05 | Fina Research | Verfahren zur katalytischen Dehydrierung von alkylaromatischen Kohlenwasserstoffen |
| JP3248923B2 (ja) * | 1991-05-29 | 2002-01-21 | 昭和電工株式会社 | クロム系フッ素化触媒の賦活再生方法およびハロゲン化炭化水素の製造方法 |
| DE4419534C1 (de) * | 1994-06-03 | 1995-10-19 | Hoechst Ag | Verfahren zur Regenerierung eines chrom- und magnesiumhaltigen Fluorierungskatalysators |
-
1996
- 1996-05-06 IT IT96MI000891A patent/IT1282960B1/it active IP Right Grant
-
1997
- 1997-04-24 EP EP97106795A patent/EP0806241B1/en not_active Expired - Lifetime
- 1997-04-24 DE DE69717191T patent/DE69717191T2/de not_active Expired - Fee Related
- 1997-04-24 AT AT97106795T patent/ATE228032T1/de not_active IP Right Cessation
- 1997-05-02 JP JP9114865A patent/JPH1043607A/ja active Pending
- 1997-05-02 US US08/850,771 patent/US5817895A/en not_active Expired - Fee Related
- 1997-05-02 IN IN789CA1997 patent/IN191115B/en unknown
- 1997-05-05 BR BR9703059A patent/BR9703059A/pt not_active IP Right Cessation
- 1997-05-05 AU AU20034/97A patent/AU712733B2/en not_active Ceased
- 1997-05-05 TW TW086105944A patent/TW409073B/zh not_active IP Right Cessation
- 1997-05-06 KR KR1019970017241A patent/KR970073686A/ko not_active Ceased
- 1997-05-06 CA CA002204584A patent/CA2204584A1/en not_active Abandoned
- 1997-05-06 CN CN97111148A patent/CN1091652C/zh not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| IT1282960B1 (it) | 1998-04-02 |
| AU712733B2 (en) | 1999-11-11 |
| ITMI960891A0 (2) | 1996-05-06 |
| US5817895A (en) | 1998-10-06 |
| IN191115B (2) | 2003-09-20 |
| EP0806241B1 (en) | 2002-11-20 |
| JPH1043607A (ja) | 1998-02-17 |
| MX9703303A (es) | 1998-07-31 |
| CA2204584A1 (en) | 1997-11-06 |
| DE69717191D1 (de) | 2003-01-02 |
| BR9703059A (pt) | 1998-08-25 |
| ITMI960891A1 (it) | 1997-11-06 |
| ATE228032T1 (de) | 2002-12-15 |
| CN1166379A (zh) | 1997-12-03 |
| KR970073686A (ko) | 1997-12-10 |
| EP0806241A1 (en) | 1997-11-12 |
| CN1091652C (zh) | 2002-10-02 |
| AU2003497A (en) | 1997-11-13 |
| TW409073B (en) | 2000-10-21 |
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| DE2008644B2 (2) | ||
| DE69300920T2 (de) | Verfahren zur Herstellung von 1,1,1,2-Tetrafluorethan. |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |