DE69325592T2 - Verfahren zur regenerierung und verteilung von katalysator mittels eines zugrohrs - Google Patents

Verfahren zur regenerierung und verteilung von katalysator mittels eines zugrohrs

Info

Publication number
DE69325592T2
DE69325592T2 DE69325592T DE69325592T DE69325592T2 DE 69325592 T2 DE69325592 T2 DE 69325592T2 DE 69325592 T DE69325592 T DE 69325592T DE 69325592 T DE69325592 T DE 69325592T DE 69325592 T2 DE69325592 T2 DE 69325592T2
Authority
DE
Germany
Prior art keywords
regenerating
tube
distributing catalyst
distributing
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
Application number
DE69325592T
Other languages
English (en)
Other versions
DE69325592D1 (de
Inventor
Larry Pedrick
Charles Mauldin
William Behrmann
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ExxonMobil Technology and Engineering Co
Original Assignee
Exxon Research and Engineering Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Exxon Research and Engineering Co filed Critical Exxon Research and Engineering Co
Publication of DE69325592D1 publication Critical patent/DE69325592D1/de
Application granted granted Critical
Publication of DE69325592T2 publication Critical patent/DE69325592T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10GCRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
    • C10G2/00Production of liquid hydrocarbon mixtures of undefined composition from oxides of carbon
    • C10G2/30Production of liquid hydrocarbon mixtures of undefined composition from oxides of carbon from carbon monoxide with hydrogen
    • C10G2/32Production of liquid hydrocarbon mixtures of undefined composition from oxides of carbon from carbon monoxide with hydrogen with the use of catalysts
    • C10G2/33Production of liquid hydrocarbon mixtures of undefined composition from oxides of carbon from carbon monoxide with hydrogen with the use of catalysts characterised by the catalyst used
    • C10G2/331Production of liquid hydrocarbon mixtures of undefined composition from oxides of carbon from carbon monoxide with hydrogen with the use of catalysts characterised by the catalyst used containing group VIII-metals
    • C10G2/332Production of liquid hydrocarbon mixtures of undefined composition from oxides of carbon from carbon monoxide with hydrogen with the use of catalysts characterised by the catalyst used containing group VIII-metals of the iron-group
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J38/00Regeneration or reactivation of catalysts, in general
    • B01J38/04Gas or vapour treating; Treating by using liquids vaporisable upon contacting spent catalyst
    • B01J38/10Gas or vapour treating; Treating by using liquids vaporisable upon contacting spent catalyst using elemental hydrogen
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J38/00Regeneration or reactivation of catalysts, in general
    • B01J38/48Liquid treating or treating in liquid phase, e.g. dissolved or suspended
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J38/00Regeneration or reactivation of catalysts, in general
    • B01J38/48Liquid treating or treating in liquid phase, e.g. dissolved or suspended
    • B01J38/50Liquid treating or treating in liquid phase, e.g. dissolved or suspended using organic liquids
    • B01J38/56Hydrocarbons
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J38/00Regeneration or reactivation of catalysts, in general
    • B01J38/48Liquid treating or treating in liquid phase, e.g. dissolved or suspended
    • B01J38/50Liquid treating or treating in liquid phase, e.g. dissolved or suspended using organic liquids
    • B01J38/58Liquid treating or treating in liquid phase, e.g. dissolved or suspended using organic liquids and gas addition thereto
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C1/00Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon
    • C07C1/02Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon from oxides of a carbon
    • C07C1/04Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon from oxides of a carbon from carbon monoxide with hydrogen
    • C07C1/0425Catalysts; their physical properties
    • C07C1/045Regeneration
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C1/00Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon
    • C07C1/02Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon from oxides of a carbon
    • C07C1/04Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon from oxides of a carbon from carbon monoxide with hydrogen
    • C07C1/06Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon from oxides of a carbon from carbon monoxide with hydrogen in the presence of organic compounds, e.g. hydrocarbons
    • C07C1/063Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon from oxides of a carbon from carbon monoxide with hydrogen in the presence of organic compounds, e.g. hydrocarbons the organic compound being the catalyst or a part of the catalyst system
    • C07C1/066Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon from oxides of a carbon from carbon monoxide with hydrogen in the presence of organic compounds, e.g. hydrocarbons the organic compound being the catalyst or a part of the catalyst system used for dissolving, suspending or transporting the catalyst
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10GCRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
    • C10G2/00Production of liquid hydrocarbon mixtures of undefined composition from oxides of carbon
    • C10G2/30Production of liquid hydrocarbon mixtures of undefined composition from oxides of carbon from carbon monoxide with hydrogen
    • C10G2/32Production of liquid hydrocarbon mixtures of undefined composition from oxides of carbon from carbon monoxide with hydrogen with the use of catalysts
    • C10G2/34Apparatus, reactors
    • C10G2/342Apparatus, reactors with moving solid catalysts
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/50Improvements relating to the production of bulk chemicals
    • Y02P20/584Recycling of catalysts

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Materials Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
  • Catalysts (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
DE69325592T 1992-12-18 1993-12-10 Verfahren zur regenerierung und verteilung von katalysator mittels eines zugrohrs Expired - Fee Related DE69325592T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/994,215 US5268344A (en) 1992-12-18 1992-12-18 Draft tube for catalyst rejuvenation and distribution
PCT/US1993/012116 WO1994014535A1 (en) 1992-12-18 1993-12-10 Draft tube for catalyst rejuvenation and distribution

Publications (2)

Publication Number Publication Date
DE69325592D1 DE69325592D1 (de) 1999-08-12
DE69325592T2 true DE69325592T2 (de) 1999-11-25

Family

ID=25540408

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69325592T Expired - Fee Related DE69325592T2 (de) 1992-12-18 1993-12-10 Verfahren zur regenerierung und verteilung von katalysator mittels eines zugrohrs

Country Status (7)

Country Link
US (2) US5268344A (de)
EP (1) EP0674544B1 (de)
AU (1) AU675492B2 (de)
CA (1) CA2150558C (de)
DE (1) DE69325592T2 (de)
NO (1) NO310756B1 (de)
WO (1) WO1994014535A1 (de)

Families Citing this family (46)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5268344A (en) * 1992-12-18 1993-12-07 Exxon Research & Engineering Company Draft tube for catalyst rejuvenation and distribution
GB2299767B (en) * 1995-04-07 1998-05-13 Norske Stats Oljeselskap Regneration of fischer-tropsch catalysts
US6284807B1 (en) 1995-08-08 2001-09-04 Exxon Research And Engineering Company Slurry hydrocarbon synthesis process with increased catalyst life
PE31698A1 (es) * 1995-11-08 1998-06-15 Shell Int Research Proceso de activacion y rejuvenecimiento de catalizador
US5811363A (en) * 1997-05-02 1998-09-22 Exxon Research And Engineering Company Catalyst rejuvenation in hydrocarbon synthesis slurry with reduced slurry recontamination
US5821270A (en) * 1997-05-02 1998-10-13 Exxon Research And Engineering Company Slurry hydrocarbon synthesis process with multistage catalyst rejuvenation
US5844005A (en) * 1997-05-02 1998-12-01 Exxon Research And Engineering Company Hydrocarbon synthesis using reactor tail gas for catalyst rejuvenation
US5958986A (en) * 1997-05-02 1999-09-28 Exxon Research And Engineering Co. Slurry hydrocarbon synthesis process with catalyst rejuvenation in external lift pipe (law544)
US5817701A (en) * 1997-05-02 1998-10-06 Exxon Research And Engineering Company Slurry hydrocarbon synthesis with cyclic CO purge and catalyst rejuvenation
US5817702A (en) * 1997-05-02 1998-10-06 Exxon Research And Engineering Company Hydrocarbon synthesis catalyst slurry rejuvenation with gas disengagement
US5962537A (en) 1997-05-06 1999-10-05 Exxon Research And Engineering Co Multizone downcomer for slurry hydrocarbon syntheses process
US5811468A (en) * 1997-05-06 1998-09-22 Exxon Research And Engineering Company Combination gas disengaging downcomer-rejuvenation tube for in-situ slurry catalyst rejuvenation (LAW541)
US5852061A (en) * 1997-05-06 1998-12-22 Exxon Research And Engineering Company Hydrocarbon synthesis with cryogenic nitrogen removal upstream of the syngas generation
US5866621A (en) * 1997-05-06 1999-02-02 Exxon Research And Engineering Company Gas and solids reducing slurry downcomer
IT1292422B1 (it) * 1997-06-26 1999-02-08 Agip Petroli Reattore a bolle con draft tube e procedimento per la rigenerazione del catalizzatore in esso contenuto
US6103773A (en) 1998-01-27 2000-08-15 Exxon Research And Engineering Co Gas conversion using hydrogen produced from syngas for removing sulfur from gas well hydrocarbon liquids
US6043288A (en) 1998-02-13 2000-03-28 Exxon Research And Engineering Co. Gas conversion using synthesis gas produced hydrogen for catalyst rejuvenation and hydrocarbon conversion
US6191066B1 (en) 1998-05-27 2001-02-20 Energy International Corporation Fischer-Tropsch activity for non-promoted cobalt-on-alumina catalysts
US5973012A (en) * 1998-10-30 1999-10-26 Exxon Research And Engineering Co. Hydrocarbon synthesis catalyst slurry rejuvenation with gas disengagement (LAW 783)
US6262132B1 (en) 1999-05-21 2001-07-17 Energy International Corporation Reducing fischer-tropsch catalyst attrition losses in high agitation reaction systems
US6201030B1 (en) 1999-09-22 2001-03-13 Syntroleum Corporation Process and apparatus for regenerating a particulate catalyst
US6869978B2 (en) 1999-11-17 2005-03-22 Conocophillips Company Pressure swing catalyst regeneration procedure for Fischer-Tropsch catalyst
US6486220B1 (en) 1999-11-17 2002-11-26 Conoco Inc. Regeneration procedure for Fischer-Tropsch catalyst
US6706661B1 (en) 2000-09-01 2004-03-16 Exxonmobil Research And Engineering Company Fischer-Tropsch catalyst enhancement
US6355593B1 (en) 2000-09-01 2002-03-12 Exxonmobil Research And Engineering Company Fischer-Tropsch catalyst enhancement
US6531518B1 (en) 2000-09-01 2003-03-11 Exxonmobil Research And Engineering Co. Fischer-Tropsch catalyst enhancement
US6624204B1 (en) 2000-09-01 2003-09-23 Exxonmobil Research And Engineering Company Carbon monoxide hydrogenation process
US6900151B2 (en) * 2001-11-13 2005-05-31 Exxonmobil Research And Engineering Company In situ catalyst regeneration/activation process
US7001927B2 (en) * 2001-12-28 2006-02-21 Conocophillips Company Water removal in Fischer-Tropsch processes
US6720358B2 (en) 2001-12-28 2004-04-13 Conocophillips Company Water stripping and catalyst/liquid product separation system
US6956063B2 (en) * 2001-12-28 2005-10-18 Conocophillips Company Method for reducing water concentration in a multi-phase column reactor
US6809122B2 (en) * 2001-12-28 2004-10-26 Conocophillips Company Method for reducing the maximum water concentration in a multi-phase column reactor
US20020183573A1 (en) * 2002-05-17 2002-12-05 Cocco Raymond A Dehydrogenation of an alkyl aromatic compound and catalyst regeneration in a fluidized bed reactor
US20040235968A1 (en) * 2003-03-28 2004-11-25 Conocophillips Company Process and apparatus for controlling flow in a multiphase reactor
US7419928B2 (en) * 2003-04-11 2008-09-02 Exxonmobil Research And Engineering Company Fischer-Tropsch catalyst production
US7361619B2 (en) * 2003-04-11 2008-04-22 Exxonmobil Research And Engineering Company Fischer-Tropsch catalyst production
US7045554B2 (en) * 2003-09-03 2006-05-16 Conocophillips Company Method for improved Fischer-Tropsch catalyst stability and higher stable syngas conversion
US6838487B1 (en) * 2003-12-04 2005-01-04 Rentech, Inc. Method and apparatus for regenerating an iron-based Fischer-Tropsch catalyst
US20050154069A1 (en) * 2004-01-13 2005-07-14 Syntroleum Corporation Fischer-Tropsch process in the presence of nitrogen contaminants
US7405243B2 (en) * 2004-03-08 2008-07-29 Chevron U.S.A. Inc. Hydrogen recovery from hydrocarbon synthesis processes
US7166643B2 (en) * 2004-03-08 2007-01-23 Chevron U.S.A. Inc. Hydrogen recovery from hydrocarbon synthesis processes
EP1782885B1 (de) 2005-11-07 2012-04-04 Research Institute of Petroleum Industry (RIPI) Kobaltkatalysator mit Kohlenstoffnanoröhren als Träger für die Umwandlung von Synthesegas in Kohlenwasserstoffe
US8614158B2 (en) * 2008-02-29 2013-12-24 Schlumberger Technology Corporation Fischer-trospch and oxygenate synthesis catalyst activation/regeneration in a micro scale process
US8894939B2 (en) * 2010-08-16 2014-11-25 Emerging Fuels Technology, Inc. Three phase reactor
GB2482905B (en) 2010-08-19 2016-01-13 Gtl F1 Ag Fischer-tropsch catalyst regeneration
WO2021025835A1 (en) 2019-08-06 2021-02-11 Exxonmobil Research And Engineering Company Catalyst rejuvenation in multistage alkylation of isoparaffin

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2631159A (en) * 1945-01-31 1953-03-10 Hydrocarbon Research Inc Hydrocarbon synthesis
US2540706A (en) * 1947-05-22 1951-02-06 Texas Co Process and apparatus for effecting catalytic reactions
US2567932A (en) * 1948-04-30 1951-09-18 Hydrocarbon Research Inc Stagewise process for the hydrogenation of carbon monoxide
US2572633A (en) * 1948-09-10 1951-10-23 Phillips Petroleum Co Prevention of solid deposits in fischer-tropsch plant lines
US2868627A (en) * 1954-09-21 1959-01-13 Kolbel Herbert Apparatus for carbon monoxide hydrogenation
US2853369A (en) * 1955-01-12 1958-09-23 Kolbel Herbert Apparatus for carrying out gaseous catalytic reactions in liquid medium
US3629143A (en) * 1969-04-10 1971-12-21 Shell Oil Co Regenerator for metal halide sludge catalyst
BE759284A (fr) * 1969-11-24 1971-05-24 Shell Int Research Procede et appareil pour la mise en contact d'un liquide avec des particules solides
US3674682A (en) * 1970-01-16 1972-07-04 Chevron Res Heavy oil conversion using fine particles
JPS565572B1 (de) * 1970-12-30 1981-02-05
US4342876A (en) * 1980-12-22 1982-08-03 Bechtel International Corporation Method for oxidation of p-xylene and method for preparing dimethylterephthalate
US4670472A (en) * 1985-06-05 1987-06-02 Air Products And Chemicals, Inc. Fischer-Tropsch process
GB2177318B (en) * 1985-07-02 1989-01-18 Shell Int Research Catalytic conversion of gas or liquid in a multitube reactor
GB8721964D0 (en) * 1987-09-18 1987-10-28 Shell Int Research Multitube reactor
US5157054A (en) * 1990-04-04 1992-10-20 Exxon Research And Engineering Company Catalyst fluidization improvements (C-2546)
US5283216A (en) * 1992-09-24 1994-02-01 Exxon Research And Engineering Company Rejuvenation of hydrocarbon synthesis catalyst
US5268344A (en) * 1992-12-18 1993-12-07 Exxon Research & Engineering Company Draft tube for catalyst rejuvenation and distribution
US5288673A (en) * 1992-12-18 1994-02-22 Exxon Research And Engineering Company Temperature control in draft tubes for catalyst rejuvenation

Also Published As

Publication number Publication date
USRE37649E1 (en) 2002-04-09
EP0674544A4 (de) 1996-04-17
WO1994014535A1 (en) 1994-07-07
AU675492B2 (en) 1997-02-06
CA2150558C (en) 2001-05-29
EP0674544A1 (de) 1995-10-04
EP0674544B1 (de) 1999-07-07
AU5827694A (en) 1994-07-19
NO310756B1 (no) 2001-08-27
DE69325592D1 (de) 1999-08-12
NO952406D0 (no) 1995-06-16
US5268344A (en) 1993-12-07
NO952406L (no) 1995-08-17
CA2150558A1 (en) 1994-07-07

Similar Documents

Publication Publication Date Title
DE69325592T2 (de) Verfahren zur regenerierung und verteilung von katalysator mittels eines zugrohrs
DE69209419D1 (de) Verfahren zur Regenerierung eines desaktivierten Katalysator
DE69531252D1 (de) Verfahren und katalysator zur verhinderung von verschmutzung eines reaktors
DE69032557T2 (de) Verfahren und system zur regelung eines verfahrens
ATE78721T1 (de) Verfahren zur regenerierung eines desaktivierten katalysators.
DE69215877D1 (de) Verfahren zur vorsulfidierung eines katalysators
DE69837162D1 (de) Regenerierungsverfahren eines hydrierungskatalysator und verfahren zur hydrierung von nitrilfonktionellen verbindungen
DE69315524D1 (de) Verfahren zur Reaktivierung von Kohlenwasserstoffsynthesekatalysatoren
DE59307823D1 (de) Verfahren zur überwachung der funktion eines katalytischen konverters
DE69611449T2 (de) Verfahren zum herstellen eines katalysators oder eines dieselteilchenfilters
DE59206219D1 (de) Verfahren zum Herstellen von Homo- und Copolymerisaten des Propens mittels eines Ziegler-Natta-Katalysatorsystems
DE69710263D1 (de) Abgasemissionssteuerungssystem mit Regeneration mittels Rückspülung und Verfahren zum Regenerieren desselben
DE69411775D1 (de) Verfahren zur Entfernung von Quecksilber aus Kohlenwasserstoffen mittels einem vorgeschwefeltem Katalysator
DE59402923D1 (de) Verfahren und vorrichtung zur funktionsüberwachung eines katalytischen konverters
DE69431625T2 (de) Verfahren zur modifikation der formselektivität eines zeolithkatalysators und verwendung des modifizierten katalysators
DE3775642D1 (de) Kontinuierliches katalytisches verfahren zur umsetzung eines olefinischen ausgangsgemisches und kontrollsystem dafuer.
DE69310101D1 (de) Katalysator für Olefinpolymerisation und Verfahren für Olefinpolymerisation unter Anwendung desselben
DE69422589T2 (de) Verfahren zur Erhaltung der katalytischen Wirkung während eines Hydrosilylierungsverfahrens
DE69307154D1 (de) Verfahren zum regenerieren von desaktiviertem katalysator
DE59400559D1 (de) Verfahren zur überprüfung der konvertierungsfähigkeit eines katalysators
DE69826114D1 (de) Verfahren und system zur identifizierung eines fleischprodukts mittels genotypisierung
DE69122199D1 (de) Katalysator und verfahren zur olefinpolymerisation
DE69322139D1 (de) Katalysator und Verfahren zur Olefinpolymerisation
DE59404052D1 (de) Verfahren zur überprüfung der konvertierungsfähigkeit eines katalysators
DE59506510D1 (de) Verfahren zur Regenerierung eines Fluorierungskatalysators

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee