ATE168588T1 - Verfahren zur verbesserung der physikalischen und katalytischen eigenschaften von fluidisierten krackkatalysatoren - Google Patents

Verfahren zur verbesserung der physikalischen und katalytischen eigenschaften von fluidisierten krackkatalysatoren

Info

Publication number
ATE168588T1
ATE168588T1 AT91915205T AT91915205T ATE168588T1 AT E168588 T1 ATE168588 T1 AT E168588T1 AT 91915205 T AT91915205 T AT 91915205T AT 91915205 T AT91915205 T AT 91915205T AT E168588 T1 ATE168588 T1 AT E168588T1
Authority
AT
Austria
Prior art keywords
physical
particles
catalytic properties
improving
cracking catalysts
Prior art date
Application number
AT91915205T
Other languages
English (en)
Inventor
Joseph C S Shi
Edwin W Dr Albers
Geoffrey R Wilson
Original Assignee
Thiele Kaolin 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 Thiele Kaolin Co filed Critical Thiele Kaolin Co
Application granted granted Critical
Publication of ATE168588T1 publication Critical patent/ATE168588T1/de

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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
    • C10G11/00Catalytic cracking, in the absence of hydrogen, of hydrocarbon oils
    • C10G11/02Catalytic cracking, in the absence of hydrogen, of hydrocarbon oils characterised by the catalyst used
    • C10G11/04Oxides
    • C10G11/05Crystalline alumino-silicates, e.g. molecular sieves
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/06Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising oxides or hydroxides of metals not provided for in group B01J20/04
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/30Processes for preparing, regenerating, or reactivating
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J21/00Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
    • B01J21/12Silica and alumina
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J21/00Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
    • B01J21/16Clays or other mineral silicates
    • 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
    • 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
    • B01J29/08Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the faujasite type, e.g. type X or Y
    • B01J29/084Y-type faujasite
    • 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J37/00Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/0009Use of binding agents; Moulding; Pressing; Powdering; Granulating; Addition of materials ameliorating the mechanical properties of the product catalyst
    • B01J37/0027Powdering
    • B01J37/0045Drying a slurry, e.g. spray drying
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J37/00Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/02Impregnation, coating or precipitation
    • B01J37/0236Drying, e.g. preparing a suspension, adding a soluble salt and drying
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B21/00Nitrogen; Compounds thereof
    • C01B21/06Binary compounds of nitrogen with metals, with silicon, or with boron, or with carbon, i.e. nitrides; Compounds of nitrogen with more than one metal, silicon or boron
    • C01B21/068Binary compounds of nitrogen with metals, with silicon, or with boron, or with carbon, i.e. nitrides; Compounds of nitrogen with more than one metal, silicon or boron with silicon
    • C01B21/0687After-treatment, e.g. grinding, purification
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01FCOMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F5/00Compounds of magnesium
    • C01F5/02Magnesia
    • C01F5/06Magnesia by thermal decomposition of magnesium compounds
    • C01F5/08Magnesia by thermal decomposition of magnesium compounds by calcining magnesium hydroxide
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01FCOMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F7/00Compounds of aluminium
    • C01F7/02Aluminium oxide; Aluminium hydroxide; Aluminates
    • C01F7/04Preparation of alkali metal aluminates; Aluminium oxide or hydroxide therefrom
    • C01F7/14Aluminium oxide or hydroxide from alkali metal aluminates
    • C01F7/141Aluminium oxide or hydroxide from alkali metal aluminates from aqueous aluminate solutions by neutralisation with an acidic agent
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01FCOMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F7/00Compounds of aluminium
    • C01F7/02Aluminium oxide; Aluminium hydroxide; Aluminates
    • C01F7/34Preparation of aluminium hydroxide by precipitation from solutions containing aluminium salts
    • 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
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00Particle morphology
    • C01P2004/01Particle morphology depicted by an image
    • C01P2004/03Particle morphology depicted by an image obtained by SEM
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00Particle morphology
    • C01P2004/30Particle morphology extending in three dimensions
    • C01P2004/32Spheres
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00Particle morphology
    • C01P2004/50Agglomerated particles
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00Particle morphology
    • C01P2004/60Particles characterised by their size
    • C01P2004/61Micrometer sized, i.e. from 1-100 micrometer
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00Physical properties of inorganic compounds
    • C01P2006/12Surface area
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00Physical properties of inorganic compounds
    • C01P2006/21Attrition-index or crushing strength of granulates

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Analytical Chemistry (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Thermal Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Catalysts (AREA)
  • Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
AT91915205T 1990-08-06 1991-08-05 Verfahren zur verbesserung der physikalischen und katalytischen eigenschaften von fluidisierten krackkatalysatoren ATE168588T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/562,905 US5135756A (en) 1989-03-10 1990-08-06 Process for improving the physical and catalytic properties of a fluid cracking catalyst

Publications (1)

Publication Number Publication Date
ATE168588T1 true ATE168588T1 (de) 1998-08-15

Family

ID=24248289

Family Applications (1)

Application Number Title Priority Date Filing Date
AT91915205T ATE168588T1 (de) 1990-08-06 1991-08-05 Verfahren zur verbesserung der physikalischen und katalytischen eigenschaften von fluidisierten krackkatalysatoren

Country Status (10)

Country Link
US (1) US5135756A (de)
EP (1) EP0542871B1 (de)
JP (1) JP2918335B2 (de)
AT (1) ATE168588T1 (de)
AU (1) AU658367B2 (de)
BR (1) BR9103379A (de)
DE (1) DE69129854T2 (de)
FI (1) FI930517L (de)
NZ (1) NZ239272A (de)
WO (1) WO1992002299A1 (de)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5711930A (en) * 1989-03-10 1998-01-27 Thiele Kaolin Company Process for improving the phyiscal properties of formed particles
US5330943A (en) * 1989-03-10 1994-07-19 Thiele Kaolin Company Process for improving the physical and catalytic properties of a fluid cracking catalyst
US4946814A (en) * 1989-03-10 1990-08-07 Thiele-Kaolin Company Process for improving the physical and catalytic properties of fluid cracking catalysts
US5866496A (en) * 1989-03-10 1999-02-02 Thiele Kaolin Company Cracking catalyst and process for preparing same
US5114895A (en) * 1990-02-22 1992-05-19 Uop Alumina clay compositions
AU3595095A (en) * 1994-09-26 1996-04-19 Thiele Kaolin Company Cracking catalyst and process for preparing same
US5714431A (en) * 1994-10-19 1998-02-03 Research Triangle Institute Zinc titanate sorbents
US5972835A (en) * 1995-09-13 1999-10-26 Research Triangle Institute Fluidizable particulate materials and methods of making same
US6680271B1 (en) 1997-12-17 2004-01-20 Grace Gmbh & Co. Kg Solid zeolite granulates having improved abrasion resistance, and methods of making them
CN1096296C (zh) 1998-11-13 2002-12-18 中国石油化工集团公司 一种生产中间馏分油的加氢裂化催化剂及其制备
ES2282488T3 (es) 2001-07-02 2007-10-16 Exxonmobil Chemical Patents Inc. Inhibicion de la formacion de coque en un catalizador en la fabricacion de una olefina.
US6872680B2 (en) 2002-03-20 2005-03-29 Exxonmobil Chemical Patents Inc. Molecular sieve catalyst composition, its making and use in conversion processes
US7271123B2 (en) 2002-03-20 2007-09-18 Exxonmobil Chemical Patents Inc. Molecular sieve catalyst composition, its making and use in conversion process
EP1623965A1 (de) * 2004-07-21 2006-02-08 Walsin Lihwa Corporation Tonmischung und Verfahren zu deren Herstellung
US7309679B2 (en) * 2005-08-08 2007-12-18 Uop Llc Attrition resistant MTO catalyst
KR20090039742A (ko) * 2006-07-06 2009-04-22 더블유.알. 그레이스 앤드 캄파니-콘. 알루미늄 설페이트 결합 촉매
BRPI0820132A2 (pt) * 2007-12-20 2015-05-12 Grace W R & Co Processo de preparação composições inorganicas resistente a altos atritos e composições preparadas do mesmo
SG2014012801A (en) * 2008-05-30 2014-05-29 Jgc Catalysts & Chemicals Ltd Catalyst for fluid catalytic cracking of hydrocarbon oil and method for fluid catalytic cracking of hydrocarbon oil with the same
CN101733141B (zh) * 2008-11-20 2012-07-04 中国石油化工股份有限公司 一种催化裂化催化剂及其制备方法
EP2221285A1 (de) * 2009-02-24 2010-08-25 Ecotech Polka Sp. z.o.o. Zusammensetzung und Verfahren zur Stabilisierung von umweltschädlichen Substanzen, Verwendung von eisenfreien Metallsalzen und -oxiden zur Stabilisierung von umweltschädlichen Substanzen mit kaustischem Magnesiumoxid
WO2014150419A1 (en) * 2013-03-12 2014-09-25 MAR Systems, Inc. Removal of copper from aqueous streams using an iron promoted activated alumina
WO2015057841A1 (en) * 2013-10-15 2015-04-23 Basf Corporation Mesoporous fcc catalysts with excellent attrition resistance
JP2021500226A (ja) * 2017-10-24 2021-01-07 サウジ アラビアン オイル カンパニー 噴霧乾燥メタセシス触媒の製造方法およびその使用
CN114433173B (zh) * 2020-10-16 2023-09-05 中国石油化工股份有限公司 一种制备低表观松密度fcc催化剂的方法
WO2023239560A1 (en) 2022-06-09 2023-12-14 Formosa Plastics Corporaton, U.S.A. Clay composite support-activators and catalyst compositions

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3140249A (en) * 1960-07-12 1964-07-07 Socony Mobil Oil Co Inc Catalytic cracking of hydrocarbons with a crystalline zeolite catalyst composite
US3219590A (en) * 1961-08-01 1965-11-23 Union Carbide Corp Bonded molecular sieves
US3436357A (en) * 1962-05-17 1969-04-01 Mobil Oil Corp Catalyst and conversion of organic compounds in the presence thereof
US3425956A (en) * 1964-03-26 1969-02-04 Grace W R & Co Process for preparing molecular sieve containing cracking catalysts
US3140253A (en) * 1964-05-01 1964-07-07 Socony Mobil Oil Co Inc Catalytic hydrocarbon conversion with a crystalline zeolite composite catalyst
US3210267A (en) * 1965-04-20 1965-10-05 Socony Mobil Oil Co Inc Catalytic cracking of hydrocarbons with the use of a crystalline zeolite catalyst containing rare earths and a porous matrix
US3271418A (en) * 1965-06-22 1966-09-06 Mobil Oil Corp Catalytic conversion of hydrocarbons with a crystalline alumino-silicate in a silica-alumina matrix
US3459680A (en) * 1969-01-02 1969-08-05 Mobil Oil Corp Crystalline zeolite composite for catalytic hydrocarbon conversion
US3657151A (en) * 1970-01-15 1972-04-18 Chevron Res Catalyst manufacture
US3844973A (en) * 1972-05-30 1974-10-29 Universal Oil Prod Co Fluidized catalyst regeneration by oxidation in a dense phase bed and a dilute phase transport riser
US3867308A (en) * 1973-12-10 1975-02-18 Grace W R & Co Process for preparing a petroleum cracking catalyst
US4072600A (en) * 1974-02-08 1978-02-07 Mobil Oil Corporation Catalytic cracking process
US3957689A (en) * 1974-08-02 1976-05-18 W. R. Grace & Co. Process for preparing an attrition resistant zeolite hydrocarbon conversion catalyst
US3985846A (en) * 1975-04-16 1976-10-12 W. R. Grace & Co. Ceramic firing process
CA1097308A (en) * 1976-10-15 1981-03-10 Charles J. Plank Method of making fluid catalysts
US4485005A (en) * 1983-04-06 1984-11-27 Uop Inc. Hydrocracking with a zeolite in an alumina binder peptized in the presence of a surfactant
GB8711005D0 (en) * 1987-05-09 1987-06-10 British Petroleum Co Plc Chemical process
US4946814A (en) * 1989-03-10 1990-08-07 Thiele-Kaolin Company Process for improving the physical and catalytic properties of fluid cracking catalysts
JP2546734B2 (ja) * 1990-05-07 1996-10-23 株式会社ジャパンエナジー 触媒用アルミナの製造方法

Also Published As

Publication number Publication date
US5135756A (en) 1992-08-04
EP0542871A1 (de) 1993-05-26
NZ239272A (en) 1994-11-25
AU8418191A (en) 1992-03-02
WO1992002299A1 (en) 1992-02-20
DE69129854T2 (de) 1999-03-04
DE69129854D1 (de) 1998-08-27
FI930517A7 (fi) 1993-04-05
BR9103379A (pt) 1992-05-12
JP2918335B2 (ja) 1999-07-12
JPH06501876A (ja) 1994-03-03
FI930517A0 (fi) 1993-02-05
EP0542871B1 (de) 1998-07-22
FI930517L (fi) 1993-04-05
AU658367B2 (en) 1995-04-13
EP0542871A4 (en) 1993-07-28

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