IT1009123B - Allumina avente ridotta area super ficiale - Google Patents
Allumina avente ridotta area super ficialeInfo
- Publication number
- IT1009123B IT1009123B IT67228/74A IT6722874A IT1009123B IT 1009123 B IT1009123 B IT 1009123B IT 67228/74 A IT67228/74 A IT 67228/74A IT 6722874 A IT6722874 A IT 6722874A IT 1009123 B IT1009123 B IT 1009123B
- Authority
- IT
- Italy
- Prior art keywords
- alumina
- superficial area
- small superficial
- small
- area
- Prior art date
Links
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 title 1
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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US32699073A | 1973-01-26 | 1973-01-26 |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1009123B true IT1009123B (it) | 1976-12-10 |
Family
ID=23274654
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT67228/74A IT1009123B (it) | 1973-01-26 | 1974-01-28 | Allumina avente ridotta area super ficiale |
Country Status (8)
Country | Link |
---|---|
JP (1) | JPS507797A (enrdf_load_stackoverflow) |
BE (1) | BE810103A (enrdf_load_stackoverflow) |
CA (1) | CA1043539A (enrdf_load_stackoverflow) |
DE (1) | DE2403638A1 (enrdf_load_stackoverflow) |
FR (1) | FR2215389B1 (enrdf_load_stackoverflow) |
GB (1) | GB1465523A (enrdf_load_stackoverflow) |
IT (1) | IT1009123B (enrdf_load_stackoverflow) |
NL (1) | NL7400966A (enrdf_load_stackoverflow) |
Families Citing this family (7)
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 |
EP0139051B1 (en) * | 1983-03-08 | 1987-11-25 | The Dow Chemical Company | Catalyst for selective hydrogenation of alkynes in the presence of dienes |
NL8600959A (nl) * | 1986-04-16 | 1987-11-16 | Veg Gasinstituut Nv | Katalysator voor de selectieve oxydatie van zwavelhoudende verbindingen, in het bizonder zwavelwaterstof tot elementaire zwavel; werkwijze voor de bereiding van de katalysator alsmede werkwijze voor de selectieve oxydatie van zwavelhoudende verbindingen, in het bizonder zwavelwaterstof tot elementaire zwavel. |
CN1009437B (zh) * | 1988-02-03 | 1990-09-05 | 中国石油化工总公司 | 乙烯氧化制环氧乙烷高效银催化剂 |
DE4311650C2 (de) * | 1993-04-08 | 1996-06-05 | Sued Chemie Ag | Hochporöse Formlinge auf der Basis von Aluminiumoxid und deren Verwendung |
CN111902363A (zh) * | 2018-04-06 | 2020-11-06 | Dic株式会社 | 氧化铝粒子 |
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 |
Family Cites Families (2)
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 |
-
1974
- 1974-01-23 GB GB314374A patent/GB1465523A/en not_active Expired
- 1974-01-24 NL NL7400966A patent/NL7400966A/xx not_active Application Discontinuation
- 1974-01-24 BE BE1005668A patent/BE810103A/xx not_active IP Right Cessation
- 1974-01-25 CA CA190,989A patent/CA1043539A/en not_active Expired
- 1974-01-25 DE DE2403638A patent/DE2403638A1/de active Pending
- 1974-01-25 FR FR7402513A patent/FR2215389B1/fr not_active Expired
- 1974-01-26 JP JP49011365A patent/JPS507797A/ja active Pending
- 1974-01-28 IT IT67228/74A patent/IT1009123B/it active
Also Published As
Publication number | Publication date |
---|---|
GB1465523A (en) | 1977-02-23 |
DE2403638A1 (de) | 1974-08-15 |
CA1043539A (en) | 1978-12-05 |
JPS507797A (enrdf_load_stackoverflow) | 1975-01-27 |
BE810103A (fr) | 1974-07-24 |
FR2215389B1 (enrdf_load_stackoverflow) | 1978-12-29 |
NL7400966A (enrdf_load_stackoverflow) | 1974-07-30 |
FR2215389A1 (enrdf_load_stackoverflow) | 1974-08-23 |
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