GB1465523A - Low surface area alumina - Google Patents

Low surface area alumina

Info

Publication number
GB1465523A
GB1465523A GB314374A GB314374A GB1465523A GB 1465523 A GB1465523 A GB 1465523A GB 314374 A GB314374 A GB 314374A GB 314374 A GB314374 A GB 314374A GB 1465523 A GB1465523 A GB 1465523A
Authority
GB
United Kingdom
Prior art keywords
alumina
bodies
surface area
mix
jan
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
GB314374A
Other languages
English (en)
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.)
Saint Gobain Abrasives Inc
Original Assignee
Norton 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 Norton Co filed Critical Norton Co
Publication of GB1465523A publication Critical patent/GB1465523A/en
Expired legal-status Critical Current

Links

Classifications

    • 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)
    • 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
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
    • 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
    • C01F7/025—Granulation or agglomeration
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/10—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on aluminium oxide
    • 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
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
    • B01J35/61—Surface area
    • B01J35/612—Surface area less than 10 m2/g
    • 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
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
    • B01J35/63—Pore volume
    • B01J35/633—Pore volume less than 0.5 ml/g
    • 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
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
    • B01J35/64—Pore diameter
    • B01J35/651—50-500 nm
    • 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
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
    • B01J35/64—Pore diameter
    • B01J35/653—500-1000 nm
    • 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
    • C01P2006/11—Powder tap density
    • 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
    • C01P2006/14—Pore volume
    • 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
    • C01P2006/16—Pore diameter
    • 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
    • C01P2006/21—Attrition-index or crushing strength of granulates

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Ceramic Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Geology (AREA)
  • Manufacturing & Machinery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Structural Engineering (AREA)
  • Catalysts (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Compositions Of Oxide Ceramics (AREA)
GB314374A 1973-01-26 1974-01-23 Low surface area alumina Expired GB1465523A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US32699073A 1973-01-26 1973-01-26

Publications (1)

Publication Number Publication Date
GB1465523A true GB1465523A (en) 1977-02-23

Family

ID=23274654

Family Applications (1)

Application Number Title Priority Date Filing Date
GB314374A Expired GB1465523A (en) 1973-01-26 1974-01-23 Low surface area alumina

Country Status (8)

Country Link
JP (1) JPS507797A (enExample)
BE (1) BE810103A (enExample)
CA (1) CA1043539A (enExample)
DE (1) DE2403638A1 (enExample)
FR (1) FR2215389B1 (enExample)
GB (1) GB1465523A (enExample)
IT (1) IT1009123B (enExample)
NL (1) NL7400966A (enExample)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0242920A1 (en) * 1986-04-16 1987-10-28 Veg-Gasinstituut N.V. A catalyst for the selective oxidation of sulfur containing compounds, in particular hydrogen sulfide, to elemental sulfur; a process for the preparation of the catalyst; and a process for the selective oxidation of sulfur containing compounds in particular hydrogen sulfide, to elemental sulfur
EP0139051B1 (en) * 1983-03-08 1987-11-25 The Dow Chemical Company Catalyst for selective hydrogenation of alkynes in the presence of dienes
EP0327356A1 (en) * 1988-02-03 1989-08-09 China Petrochemical Corporation High efficiency silver catalysts for the production of ethylene oxide via ethylene oxidation
CN111019605A (zh) * 2019-12-05 2020-04-17 青岛瑞克尔新材料科技有限公司 较低堆积密度的陶瓷微晶磨料及其磨具制品的制备方法

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2449474A1 (fr) * 1979-02-26 1980-09-19 Rhone Poulenc Ind Billes d'alumine a double porosite, leur procede de preparation et leurs applications comme supports de catalyseurs
DE4311650C2 (de) * 1993-04-08 1996-06-05 Sued Chemie Ag Hochporöse Formlinge auf der Basis von Aluminiumoxid und deren Verwendung
KR102709183B1 (ko) * 2018-04-06 2024-09-25 디아이씨 가부시끼가이샤 알루미나 입자

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3669904A (en) * 1970-05-28 1972-06-13 Air Prod & Chem Particles featuring gamma alumina
US3652449A (en) * 1970-06-24 1972-03-28 Union Oil Co Hydrocarbon conversion processes using alumina-bonded catalysts

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0139051B1 (en) * 1983-03-08 1987-11-25 The Dow Chemical Company Catalyst for selective hydrogenation of alkynes in the presence of dienes
EP0242920A1 (en) * 1986-04-16 1987-10-28 Veg-Gasinstituut N.V. A catalyst for the selective oxidation of sulfur containing compounds, in particular hydrogen sulfide, to elemental sulfur; a process for the preparation of the catalyst; and a process for the selective oxidation of sulfur containing compounds in particular hydrogen sulfide, to elemental sulfur
EP0327356A1 (en) * 1988-02-03 1989-08-09 China Petrochemical Corporation High efficiency silver catalysts for the production of ethylene oxide via ethylene oxidation
CN111019605A (zh) * 2019-12-05 2020-04-17 青岛瑞克尔新材料科技有限公司 较低堆积密度的陶瓷微晶磨料及其磨具制品的制备方法

Also Published As

Publication number Publication date
JPS507797A (enExample) 1975-01-27
CA1043539A (en) 1978-12-05
NL7400966A (enExample) 1974-07-30
FR2215389A1 (enExample) 1974-08-23
DE2403638A1 (de) 1974-08-15
IT1009123B (it) 1976-12-10
FR2215389B1 (enExample) 1978-12-29
BE810103A (fr) 1974-07-24

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee