DE69408869D1 - Rueckgewinnung von gebrauchtem katalysator - Google Patents
Rueckgewinnung von gebrauchtem katalysatorInfo
- Publication number
- DE69408869D1 DE69408869D1 DE69408869T DE69408869T DE69408869D1 DE 69408869 D1 DE69408869 D1 DE 69408869D1 DE 69408869 T DE69408869 T DE 69408869T DE 69408869 T DE69408869 T DE 69408869T DE 69408869 D1 DE69408869 D1 DE 69408869D1
- Authority
- DE
- Germany
- Prior art keywords
- recovery
- used catalyst
- catalyst
- 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
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B34/00—Obtaining refractory metals
- C22B34/20—Obtaining niobium, tantalum or vanadium
- C22B34/24—Obtaining niobium or tantalum
-
- 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
- B01J38/48—Liquid treating or treating in liquid phase, e.g. dissolved or suspended
- B01J38/60—Liquid treating or treating in liquid phase, e.g. dissolved or suspended using acids
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G33/00—Compounds of niobium
- C01G33/003—Preparation involving a liquid-liquid extraction, an adsorption or an ion-exchange
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G33/00—Compounds of niobium
- C01G33/006—Compounds containing, besides niobium, two or more other elements, with the exception of oxygen or hydrogen
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G35/00—Compounds of tantalum
- C01G35/003—Preparation involving a liquid-liquid extraction, an adsorption or an ion-exchange
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G35/00—Compounds of tantalum
- C01G35/006—Compounds containing, besides tantalum, two or more other elements, with the exception of oxygen or hydrogen
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B4/00—Electrothermal treatment of ores or metallurgical products for obtaining metals or alloys
- C22B4/005—Electrothermal treatment of ores or metallurgical products for obtaining metals or alloys using plasma jets
-
- 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
- C01P2006/80—Compositional purity
- C01P2006/82—Compositional purity water content
-
- 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
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
-
- 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)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Plasma & Fusion (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Catalysts (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/166,495 US5620936A (en) | 1993-12-14 | 1993-12-14 | Recovery of spent catalyst |
PCT/US1994/014369 WO1995016636A1 (en) | 1993-12-14 | 1994-12-13 | Recovery of spent catalyst |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69408869D1 true DE69408869D1 (de) | 1998-04-09 |
DE69408869T2 DE69408869T2 (de) | 1998-10-08 |
Family
ID=22603556
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69408869T Expired - Fee Related DE69408869T2 (de) | 1993-12-14 | 1994-12-13 | Rueckgewinnung von gebrauchtem katalysator |
Country Status (8)
Country | Link |
---|---|
US (1) | US5620936A (de) |
EP (1) | EP0734355B1 (de) |
JP (1) | JP3527509B2 (de) |
AU (1) | AU1401395A (de) |
DE (1) | DE69408869T2 (de) |
ES (1) | ES2117395T3 (de) |
HK (1) | HK1015135A1 (de) |
WO (1) | WO1995016636A1 (de) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4118527B2 (ja) * | 2001-04-06 | 2008-07-16 | 三井金属鉱業株式会社 | 高純度フッ化タンタル酸カリウム結晶又は高純度フッ化ニオブ酸カリウム結晶の製造方法及びそれらの製造方法で用いる再結晶槽並びにそれらの製造方法で得られたフッ化タンタル酸カリウム結晶又は高純度フッ化ニオブ酸カリウム結晶 |
BR0307880A (pt) * | 2002-02-27 | 2004-12-28 | Stella Chemifa Kabuskiki Kaish | Método para purificar um composto de nióbio e/ou um composto de tântalo altamente puro |
JP4326345B2 (ja) * | 2002-02-27 | 2009-09-02 | ステラケミファ株式会社 | 高純度ニオブ化合物及び/又はタンタル化合物の精製方法 |
KR102025958B1 (ko) | 2011-11-10 | 2019-09-26 | 더 케무어스 컴퍼니 에프씨, 엘엘씨 | 히드로할로알칸을 제조하는 촉매 플루오린화 방법 |
EP4303331A1 (de) * | 2022-07-08 | 2024-01-10 | Commissariat à l'Energie Atomique et aux Energies Alternatives | Verfahren zur extraktion von tantal und niob aus einer wässrigen sauren lösung |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3107976A (en) * | 1957-11-29 | 1963-10-22 | Ernest L Koerner | Niobium-tantalum separation |
US2962372A (en) * | 1958-01-17 | 1960-11-29 | Union Carbide Corp | Columbium and tantalum separation |
US3117833A (en) * | 1958-09-25 | 1964-01-14 | Fansteel Metallurgical Corp | Process of purifying and separating columbium and tantalum values from each other |
US3065046A (en) * | 1959-04-06 | 1962-11-20 | Nat Distillers Chem Corp | Process for recovering tantalum and niobium values from organic solutions |
US3112991A (en) * | 1960-03-28 | 1963-12-03 | Union Carbide Corp | Process for recovery of fluoride-free columbium and tantalum pentoxides from organic extracts |
US3712939A (en) * | 1971-03-29 | 1973-01-23 | Union Carbide Corp | Method for recovering tantalum and/or columbium |
US3830871A (en) * | 1973-07-02 | 1974-08-20 | Exxon Research Engineering Co | Removal of a metal pentafluoride from hydrocarbons |
DE2435427A1 (de) * | 1974-07-23 | 1976-02-05 | Starck Hermann C Fa | Verfahren zur verarbeitung von tantalniob-haltigen schlacken und rueckstaenden |
DK449074A (da) * | 1974-08-22 | 1976-02-23 | Atomenergikommissionen | Fremgangsmade til udvinding af tantal og/eller niob i fri eller bunden form fra tantal- og niobholdige oplosninger |
US4065405A (en) * | 1976-12-03 | 1977-12-27 | Exxon Research And Engineering Company | Recovery of tantalum and/or niobium pentafluorides from a hydrocarbon conversion catalyst |
US4258225A (en) * | 1977-08-15 | 1981-03-24 | E. I. Du Pont De Nemours And Company | TaF5 and NbF5 as fluorination catalysts |
AT370153B (de) * | 1981-03-09 | 1983-03-10 | Plasser Bahnbaumasch Franz | Gleisstopfaggregat |
US4451438A (en) * | 1982-03-26 | 1984-05-29 | Herman C. Starck Berlin | Process for recovering niobium and/or tantalum metal compounds from such ores further containing complexes of uranium, thorium, titanium and/or rare earth metals |
US4663130A (en) * | 1983-11-14 | 1987-05-05 | Cabot Corporation | Process for dissolving tantalum/columbium materials containing alkali metal impurities |
JPS61146717A (ja) * | 1984-12-18 | 1986-07-04 | Sumitomo Chem Co Ltd | タンタルの精製方法 |
US4967024A (en) * | 1988-06-23 | 1990-10-30 | E. I. Du Pont De Nemours And Company | Catalyzed hydrofluorination process |
FR2636939B1 (fr) * | 1988-09-06 | 1991-08-30 | Inst Nat Rech Chimique | Procede perfectionne d'obtention de composes de ta et (ou) nb exempts d'impuretes a partir de materiaux contenant ces metaux |
DE4021207A1 (de) * | 1990-07-03 | 1992-01-16 | Starck Hermann C Fa | Verfahren zur gewinnung und trennung von tantal und niob |
US5437848A (en) * | 1992-07-10 | 1995-08-01 | Cabot Corporation | Recovery of metal values from process residues |
-
1993
- 1993-12-14 US US08/166,495 patent/US5620936A/en not_active Expired - Lifetime
-
1994
- 1994-12-13 DE DE69408869T patent/DE69408869T2/de not_active Expired - Fee Related
- 1994-12-13 WO PCT/US1994/014369 patent/WO1995016636A1/en active IP Right Grant
- 1994-12-13 EP EP95905375A patent/EP0734355B1/de not_active Expired - Lifetime
- 1994-12-13 ES ES95905375T patent/ES2117395T3/es not_active Expired - Lifetime
- 1994-12-13 AU AU14013/95A patent/AU1401395A/en not_active Abandoned
- 1994-12-13 JP JP51692395A patent/JP3527509B2/ja not_active Expired - Fee Related
-
1998
- 1998-12-28 HK HK98119174A patent/HK1015135A1/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
AU1401395A (en) | 1995-07-03 |
WO1995016636A1 (en) | 1995-06-22 |
US5620936A (en) | 1997-04-15 |
JP3527509B2 (ja) | 2004-05-17 |
EP0734355B1 (de) | 1998-03-04 |
HK1015135A1 (en) | 1999-10-08 |
EP0734355A1 (de) | 1996-10-02 |
DE69408869T2 (de) | 1998-10-08 |
ES2117395T3 (es) | 1998-08-01 |
JPH09507466A (ja) | 1997-07-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |