ZA88463B - Process for upgrading light olefins in a turbulent fluidized catalyst bed reactor - Google Patents

Process for upgrading light olefins in a turbulent fluidized catalyst bed reactor

Info

Publication number
ZA88463B
ZA88463B ZA88463A ZA88463A ZA88463B ZA 88463 B ZA88463 B ZA 88463B ZA 88463 A ZA88463 A ZA 88463A ZA 88463 A ZA88463 A ZA 88463A ZA 88463 B ZA88463 B ZA 88463B
Authority
ZA
South Africa
Prior art keywords
bed reactor
catalyst bed
light olefins
fluidized catalyst
turbulent fluidized
Prior art date
Application number
ZA88463A
Other languages
English (en)
Inventor
Amos Andrew Avidan
Andrew Avidan Amos
Hartley Owen
Owen Hartley
Samuel Allen Tabak
Allen Tabak Samuel
Tai-Sheng Coui
Coui Tai-Sheng
Jorge Luis Soto
Luis Soto Jorge
Original Assignee
Mobil Oil Corp
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 Mobil Oil Corp filed Critical Mobil Oil Corp
Publication of ZA88463B publication Critical patent/ZA88463B/xx

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C1/00Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon
    • C07C1/20Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon starting from organic compounds containing only oxygen atoms as heteroatoms
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J29/00Catalysts comprising molecular sieves
    • B01J29/04Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
    • B01J29/06Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
    • B01J29/40Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the pentasil type, e.g. types ZSM-5, ZSM-8 or ZSM-11, as exemplified by patent documents US3702886, GB1334243 and US3709979, respectively
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2/00Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms
    • 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
    • C10G50/00Production of liquid hydrocarbon mixtures from lower carbon number hydrocarbons, e.g. by oligomerisation
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2208/00Processes carried out in the presence of solid particles; Reactors therefor
    • B01J2208/00008Controlling the process
    • B01J2208/00017Controlling the temperature
    • B01J2208/00106Controlling the temperature by indirect heat exchange
    • B01J2208/00265Part of all of the reactants being heated or cooled outside the reactor while recycling
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2229/00Aspects of molecular sieve catalysts not covered by B01J29/00
    • B01J2229/30After treatment, characterised by the means used
    • B01J2229/42Addition of matrix or binder particles
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2529/00Catalysts comprising molecular sieves
    • C07C2529/04Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites, pillared clays
    • C07C2529/06Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
    • C07C2529/40Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the pentasil type, e.g. types ZSM-5, ZSM-8 or ZSM-11
    • 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
    • C10G2300/00Aspects relating to hydrocarbon processing covered by groups C10G1/00 - C10G99/00
    • C10G2300/10Feedstock materials
    • C10G2300/1088Olefins
    • C10G2300/1092C2-C4 olefins
    • 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
    • C10G2300/00Aspects relating to hydrocarbon processing covered by groups C10G1/00 - C10G99/00
    • C10G2300/40Characteristics of the process deviating from typical ways of processing
    • C10G2300/4081Recycling aspects
    • 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
    • C10G2400/00Products obtained by processes covered by groups C10G9/00 - C10G69/14
    • C10G2400/30Aromatics
    • 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
    • Y02P20/52Improvements relating to the production of bulk chemicals using catalysts, e.g. selective 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
    • Y02P30/00Technologies relating to oil refining and petrochemical industry
    • Y02P30/20Technologies relating to oil refining and petrochemical industry using bio-feedstock
    • 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
    • Y02P30/00Technologies relating to oil refining and petrochemical industry
    • Y02P30/40Ethylene production

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
  • Catalysts (AREA)
  • Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
ZA88463A 1987-01-23 1988-01-22 Process for upgrading light olefins in a turbulent fluidized catalyst bed reactor ZA88463B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/006,407 US4746762A (en) 1985-01-17 1987-01-23 Upgrading light olefins in a turbulent fluidized catalyst bed reactor

Publications (1)

Publication Number Publication Date
ZA88463B true ZA88463B (en) 1989-09-27

Family

ID=21720711

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA88463A ZA88463B (en) 1987-01-23 1988-01-22 Process for upgrading light olefins in a turbulent fluidized catalyst bed reactor

Country Status (15)

Country Link
US (1) US4746762A (xx)
EP (1) EP0276095B1 (xx)
JP (1) JP2557440B2 (xx)
CN (1) CN1014400B (xx)
AU (1) AU613599B2 (xx)
BR (1) BR8800175A (xx)
CA (1) CA1279659C (xx)
DE (1) DE3872531D1 (xx)
ES (1) ES2041784T3 (xx)
FI (1) FI85691C (xx)
MA (1) MA21165A1 (xx)
PH (1) PH24511A (xx)
PT (1) PT86599B (xx)
TR (1) TR23518A (xx)
ZA (1) ZA88463B (xx)

Families Citing this family (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4899014A (en) * 1985-05-14 1990-02-06 Avidan Amos A Upgrading propene-ethene mixtures in a turbulent fluidized catalyst bed reactor
US4754100A (en) * 1986-03-28 1988-06-28 Mobil Oil Corporation Catalytic conversion of C3 aliphatics to higher hydrocarbons
US4873385A (en) * 1987-01-23 1989-10-10 Mobil Oil Corp. Single zone oligomerization of lower olefins to distillate under low severity in a fluid bed with tailored activity
US4827069A (en) * 1988-02-19 1989-05-02 Mobil Oil Corporation Upgrading light olefin fuel gas and catalytic reformate in a turbulent fluidized bed catalyst reactor
US4827046A (en) * 1988-04-11 1989-05-02 Mobil Oil Corporation Extraction of crude methanol and conversion of raffinate
US4877921A (en) * 1988-04-20 1989-10-31 Harandi Mohsen N Single zone oligomerization of olefins in a super-dense phase turbulent fluid bed
US4899015A (en) * 1988-07-28 1990-02-06 Mobil Oil Corp. Process for olefins to gasoline conversion
US4873389A (en) * 1988-08-04 1989-10-10 Mobil Oil Corp. Conversion of light olefins to gasoline using low-temperature catalyst regeneration
US5053570A (en) * 1988-09-22 1991-10-01 Mobil Oil Corporation Fluid bed paraffin aromatization
US5034565A (en) * 1988-09-26 1991-07-23 Mobil Oil Corporation Production of gasoline from light olefins in a fluidized catalyst reactor system
US4939314A (en) * 1988-12-19 1990-07-03 Mobil Oil Corporation Method for on-stream low-pressure regeneration of an oligomerization catalyst from a fluid-bed reactor operating at high pressure with hydrocarbons in a non-liquid phase
US5012026A (en) * 1989-02-14 1991-04-30 Mobil Oil Corp. Turbulent fluid bed paraffin conversion process
US5164071A (en) * 1989-04-17 1992-11-17 Mobil Oil Corporation Fluidized catalyst process for upgrading olefins
US5059735A (en) * 1989-05-04 1991-10-22 Mobil Oil Corp. Process for the production of light olefins from C5 + hydrocarbons
US4956509A (en) * 1989-10-16 1990-09-11 Mobil Oil Corp. Integrated paraffin upgrading and catalytic cracking processes
US5043517A (en) * 1989-10-30 1991-08-27 Mobil Oil Corporation Upgrading light olefin fuel gas in a fluidized bed catalyst reactor and regeneration of the catalyst
US5043499A (en) * 1990-02-15 1991-08-27 Mobil Oil Corporation Fluid bed oligomerization of olefins
GB2250027A (en) * 1990-07-02 1992-05-27 Exxon Research Engineering Co Process and apparatus for the simultaneous production of olefins and catalytically cracked hydrocarbon products
US5545788A (en) * 1991-06-19 1996-08-13 Mobil Oil Corporation Process for the alkylation of benzene-rich reformate using MCM-49
US5338436A (en) * 1991-10-21 1994-08-16 Mobil Oil Corp. Dewaxing process
ATE155454T1 (de) * 1992-01-30 1997-08-15 Exxon Chemical Patents Inc Alkenoligomerisierung
US5401391A (en) * 1993-03-08 1995-03-28 Mobil Oil Corporation Desulfurization of hydrocarbon streams
US5482617A (en) * 1993-03-08 1996-01-09 Mobil Oil Corporation Desulfurization of hydrocarbon streams
US5414172A (en) * 1993-03-08 1995-05-09 Mobil Oil Corporation Naphtha upgrading
DE69423881T2 (de) * 1993-03-08 2000-12-07 Mobil Oil Corp., Fairfax Benzolreduktion in benzin durch alkylierung mit höheren olefinen
EP0920911A1 (en) * 1997-12-05 1999-06-09 Fina Research S.A. Production of catalysts for olefin conversion
EP1061117A1 (en) * 1999-06-16 2000-12-20 Fina Research S.A. Production of olefins
US6391985B1 (en) 1999-10-21 2002-05-21 Union Carbide Chemicals & Plastics Technology Corporation High condensing mode polyolefin production under turbulent conditions in a fluidized bed
US20030194356A1 (en) 2002-04-11 2003-10-16 Meier Paul F. Desulfurization system with enhanced fluid/solids contacting
US20040031729A1 (en) * 2002-08-16 2004-02-19 Meier Paul F Desulfurization system with enhanced fluid/solids contacting
EP1424318A1 (en) * 2002-11-26 2004-06-02 Akzo Nobel N.V. Alkylation process using a reactor comprising multiple catalyst beds
US6759489B1 (en) 2003-05-20 2004-07-06 Eastern Petrochemical Co. Fluidized bed methods for making polymers
US6800664B1 (en) * 2003-05-23 2004-10-05 Conocophillips Company Conjoined reactor system
US7790943B2 (en) * 2006-06-27 2010-09-07 Amt International, Inc. Integrated process for removing benzene from gasoline and producing cyclohexane
US10322394B2 (en) 2007-08-24 2019-06-18 W. R. Grace & Co.-Conn. Catalyst composition with mixed selectivity control agent and method
ES2711342T3 (es) * 2007-08-24 2019-05-03 Grace W R & Co Sistema catalítico autolimitante con proporción de aluminio con respecto a SCA controlada
US8395006B2 (en) * 2009-03-13 2013-03-12 Exxonmobil Research And Engineering Company Process for making high octane gasoline with reduced benzene content by benzene alkylation at high benzene conversion

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3907663A (en) * 1973-10-01 1975-09-23 Mobil Oil Corp Conversion of hydrocarbons
US4046825A (en) * 1974-05-15 1977-09-06 Mobil Oil Corporation Conversion of oxygenated compounds to gasoline
US4090949A (en) * 1974-07-31 1978-05-23 Mobil Oil Corportion Upgrading of olefinic gasoline with hydrogen contributors
US4138440A (en) * 1974-08-14 1979-02-06 Mobil Oil Corporation Conversion of liquid alcohols and ethers with a fluid mass of ZSM-5 type catalyst
US3960978A (en) * 1974-09-05 1976-06-01 Mobil Oil Corporation Converting low molecular weight olefins over zeolites
US4070411A (en) * 1975-03-26 1978-01-24 Mobil Oil Corporation Conversion of lower olefins to isobutane
US4283273A (en) * 1976-11-18 1981-08-11 Mobil Oil Corporation Method and system for regenerating fluidizable catalyst particles
US4100218A (en) * 1977-05-31 1978-07-11 Mobil Oil Corporation Ethane conversion process
US4227992A (en) * 1979-05-24 1980-10-14 Mobil Oil Corporation Process for separating ethylene from light olefin mixtures while producing both gasoline and fuel oil
US4254295A (en) * 1979-12-05 1981-03-03 Mobil Oil Corporation Oligomerization of olefins
US4417086A (en) * 1982-04-30 1983-11-22 Chevron Research Company Efficient fluidized oligomerization
US4417087A (en) * 1982-04-30 1983-11-22 Chevron Research Company Fluidized oligomerization
DE3379335D1 (en) * 1982-12-01 1989-04-13 Mobil Oil Corp Catalytic conversion of light-olefinic feedstocks in a fluidized-catalytic-cracking gas plant
NL8301747A (nl) * 1983-05-17 1984-12-17 Shell Int Research Werkwijze voor de bereiding van middeldestillaten.
JPH068255B2 (ja) * 1983-08-01 1994-02-02 昭和シェル石油株式会社 低級炭化水素からの液状炭化水素の製法
US4487985A (en) * 1983-08-26 1984-12-11 Mobil Oil Corporation Catalytic conversion with catalyst regeneration sequence
US4511747A (en) * 1984-02-01 1985-04-16 Mobil Oil Corporation Light olefin conversion to heavier hydrocarbons with sorption recovery of unreacted olefin vapor
GB2156381A (en) * 1984-03-27 1985-10-09 Broken Hill Pty Co Ltd Production of kerosene and distillate
US4605807A (en) * 1984-04-27 1986-08-12 Atlantic Richfield Company Process for catalytic conversion of ethylene to higher hydrocarbons
GB8429007D0 (en) * 1984-11-16 1984-12-27 British Petroleum Co Plc Aromatics from ethane/ethylene
US4547616A (en) * 1984-12-28 1985-10-15 Mobil Oil Corporation Conversion of oxygenates to lower olefins in a turbulent fluidized catalyst bed
US4543435A (en) * 1985-01-17 1985-09-24 Mobil Oil Corporation Multistage process for converting oxygenates to liquid hydrocarbons with ethene recycle
US4689205A (en) * 1985-05-14 1987-08-25 Mobil Oil Corporation Multi-stage system for converting oxygenates to liquid hydrocarbons with aliphatic recycle
US4579999A (en) * 1985-01-17 1986-04-01 Mobil Oil Corporation Multistage process for converting oxygenates to liquid hydrocarbons with aliphatic recycle

Also Published As

Publication number Publication date
EP0276095B1 (en) 1992-07-08
PH24511A (en) 1990-07-18
CA1279659C (en) 1991-01-29
CN88100267A (zh) 1988-12-21
JP2557440B2 (ja) 1996-11-27
AU613599B2 (en) 1991-08-08
FI85691C (fi) 1992-05-25
PT86599A (pt) 1988-02-01
FI880310A (fi) 1988-07-24
JPS63225694A (ja) 1988-09-20
TR23518A (tr) 1990-03-01
ES2041784T3 (es) 1993-12-01
PT86599B (pt) 1991-12-31
CN1014400B (zh) 1991-10-23
BR8800175A (pt) 1988-08-30
FI85691B (fi) 1992-02-14
DE3872531T2 (xx) 1993-02-04
EP0276095A1 (en) 1988-07-27
DE3872531D1 (de) 1992-08-13
FI880310A0 (fi) 1988-01-22
AU1008588A (en) 1988-07-28
MA21165A1 (fr) 1988-10-01
US4746762A (en) 1988-05-24

Similar Documents

Publication Publication Date Title
ZA88463B (en) Process for upgrading light olefins in a turbulent fluidized catalyst bed reactor
AU3841389A (en) Process for upgrading propene-ethene mixtures in a turbulent fluidized catalyst bed reactor
GR3001680T3 (en) Process and apparatus for the regeneration of a catalyst in a fluidised bed
NZ220687A (en) Downflow fluidized catalytic cracking reactor
DE3380840D1 (en) Continuous process for the production of polymer in a fluidized bed reactor
ZA889689B (en) Process and apparatus for the conversion of hydrocarbons in a fluidised bed
SG45193G (en) Process for the catalytic cracking of a hydrocarbon feedstock
DE3166583D1 (en) A process for producing a fluidized bed catalyst from a coarse catalyst
AU638070B2 (en) Upgrading light olefin fuel gas in a fluidized bed catalyst reactor and regeneration of the catalyst
EP0323663A3 (en) Exothermic reaction process in a fixed-bed catalytic reactor
GR3000515T3 (en) Process for the regeneration of a hydrocarbon hydroconversion catalyst
GR3002477T3 (en) Fluidized bed process
AU4632589A (en) A circulating fluidized bed reactor
GB8822426D0 (en) Catalyst fixed-layer reactor
ZA841644B (en) Process for the conversion of alcohols and oxygenates into hydrocarbons in a turbulent fluidized bed reactor
GB8326856D0 (en) Moving catalyst bed reactor
DE3371356D1 (en) Fluidized bed reactor and process for oxygenates to hydrocarbons conversion
GB8815621D0 (en) Regeneration process for fischertropsch catalyst
GR3002509T3 (en) A process for preparing a silver-on-carrier catalyst
EP0320282A3 (en) Fluidized-bed reaction apparatus and a fluidizing bed apparatus and a fluidizing bed reaction process using the same
ZA884775B (en) Method for preparing a catalyst
GB2226775B (en) Catalytic reactor
ZA877955B (en) Process and apparatus for the catalytic cracking of a charge of hydrocarbons in a fluidized bed
ZA894307B (en) Process of regenerating a catalyst in a tubular reactor
EP0372606A3 (en) Process for dusting a catalyst