DE2960695D1 - A process for preparing a stable, high surface alpha-alumina from gamma-alumina - Google Patents

A process for preparing a stable, high surface alpha-alumina from gamma-alumina

Info

Publication number
DE2960695D1
DE2960695D1 DE7979301485T DE2960695T DE2960695D1 DE 2960695 D1 DE2960695 D1 DE 2960695D1 DE 7979301485 T DE7979301485 T DE 7979301485T DE 2960695 T DE2960695 T DE 2960695T DE 2960695 D1 DE2960695 D1 DE 2960695D1
Authority
DE
Germany
Prior art keywords
alumina
gamma
preparing
stable
high surface
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
Application number
DE7979301485T
Other languages
English (en)
Inventor
Lawrence Lee Murrell
Dane Clarke Grenoble
John Paul Deluca
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
Application granted granted Critical
Publication of DE2960695D1 publication Critical patent/DE2960695D1/de
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F7/00—Compounds of aluminium
    • C01F7/02—Aluminium oxide; Aluminium hydroxide; Aluminates
    • C01F7/021—After-treatment of oxides or hydroxides
    • 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
    • B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
    • B01J21/02—Boron or aluminium; Oxides or hydroxides thereof
    • B01J21/04—Alumina
    • 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
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/0009—Use of binding agents; Moulding; Pressing; Powdering; Granulating; Addition of materials ameliorating the mechanical properties of the product catalyst
    • B01J37/0018—Addition of a binding agent or of material, later completely removed among others as result of heat treatment, leaching or washing,(e.g. forming of pores; protective layer, desintegrating by heat)
    • 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
    • C01P2006/12—Surface area
    • 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
    • C01P2006/12—Surface area
    • C01P2006/13—Surface area thermal stability thereof at high temperatures

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Catalysts (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
DE7979301485T 1978-07-25 1979-07-25 A process for preparing a stable, high surface alpha-alumina from gamma-alumina Expired DE2960695D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/927,827 US4169883A (en) 1978-07-25 1978-07-25 Process for preparing ultra-stable, high surface area alpha-alumina

Publications (1)

Publication Number Publication Date
DE2960695D1 true DE2960695D1 (en) 1981-11-19

Family

ID=25455313

Family Applications (1)

Application Number Title Priority Date Filing Date
DE7979301485T Expired DE2960695D1 (en) 1978-07-25 1979-07-25 A process for preparing a stable, high surface alpha-alumina from gamma-alumina

Country Status (6)

Country Link
US (1) US4169883A (de)
EP (1) EP0007801B1 (de)
JP (1) JPS5520298A (de)
BR (1) BR7904703A (de)
CA (1) CA1122189A (de)
DE (1) DE2960695D1 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4579728A (en) * 1985-04-24 1986-04-01 Shell Oil Company Wide pore alumina supports
US4579729A (en) * 1985-07-05 1986-04-01 Shell Oil Company Wide pore alumina supports
JPH01176215A (ja) * 1987-12-28 1989-07-12 Nippon Light Metal Co Ltd α−アルミナの製造方法
JP2639121B2 (ja) * 1989-08-25 1997-08-06 三菱マテリアル株式会社 微細α―アルミナ粉末の製造方法
US5334366A (en) * 1993-01-07 1994-08-02 Aluminum Company Of America Transition alumina and method for its production
DE4311608A1 (de) * 1993-04-08 1994-12-15 Huels Chemische Werke Ag Silberkatalysator zur Oxidation von Ethylen zu Ethylenoxid und Verfahren zur Herstellung von Ethylenoxid
DE19638442A1 (de) * 1996-09-19 1998-03-26 Sued Chemie Ag Aluminiumoxidische Massen mit sehr enger Porenradienverteilung
TW530030B (en) 1999-08-16 2003-05-01 Nat Science Council The manufacturing process of untrafine alpha-Al2O3 powders
WO2005053845A1 (en) * 2003-12-01 2005-06-16 Yara International Asa Method for heat treatment of a metal oxide catalyst for removal of organic material to make a porous catalyst and equipment therefore
FR2956111B1 (fr) * 2010-02-11 2012-04-20 Baikowski Alumine alpha, utilisation, procede de synthese et dispositif associes

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2697066A (en) * 1950-12-28 1954-12-14 California Research Corp Method of producing gel-type inorganic oxide catalysts
JPS4937520B1 (de) * 1970-08-18 1974-10-09
US3850844A (en) * 1970-09-24 1974-11-26 Osaka Yogyo Co Ltd Method for the preparation of a carrier usable for manufacturing a catalyst to be used for carrying out a catalytic reaction of hydrocarbons
US3726811A (en) * 1971-05-07 1973-04-10 Shell Oil Co Production of catalyst or catalyst support
US3954763A (en) * 1972-04-10 1976-05-04 Synthelabo N-Metatrifluoromethylthiophenyl-piperazine
US3908002A (en) * 1972-05-30 1975-09-23 Shell Oil Co Production of alpha alumina
US3975509A (en) * 1972-10-16 1976-08-17 Continental Oil Company Process for producing alpha alumina monohydrate
US3898322A (en) * 1972-12-15 1975-08-05 Continental Oil Co Alumina having a binodal pore volume distribution
US4012337A (en) * 1974-03-13 1977-03-15 Exxon Research And Engineering Company High surface area alpha aluminas
US4062810A (en) * 1974-03-14 1977-12-13 Hoechst Aktiengesellschaft Carrier-supported catalyst
US3933685A (en) * 1974-07-19 1976-01-20 Continental Oil Company Method for producing catalyst impregnated alumina extrudates
US3966893A (en) * 1974-12-02 1976-06-29 Philadelphia Quartz Company Precipitating α alumina monohydrate
US4051072A (en) * 1976-04-05 1977-09-27 General Motors Corporation Method for making pellet type catalyst
US4032433A (en) * 1976-04-30 1977-06-28 Uop Inc. Hydrorefining asphaltenic petroleum charge stocks

Also Published As

Publication number Publication date
BR7904703A (pt) 1980-04-15
US4169883A (en) 1979-10-02
EP0007801A2 (de) 1980-02-06
EP0007801B1 (de) 1981-08-26
EP0007801A3 (en) 1980-03-05
CA1122189A (en) 1982-04-20
JPS5520298A (en) 1980-02-13

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Legal Events

Date Code Title Description
8339 Ceased/non-payment of the annual fee