DE2812875C2 - - Google Patents
Info
- Publication number
- DE2812875C2 DE2812875C2 DE2812875A DE2812875A DE2812875C2 DE 2812875 C2 DE2812875 C2 DE 2812875C2 DE 2812875 A DE2812875 A DE 2812875A DE 2812875 A DE2812875 A DE 2812875A DE 2812875 C2 DE2812875 C2 DE 2812875C2
- Authority
- DE
- Germany
- Prior art keywords
- alumina
- slurry
- crystalline
- solution
- temperature
- 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
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
- C01F7/34—Preparation of aluminium hydroxide by precipitation from solutions containing aluminium salts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
- B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
- B01D53/944—Simultaneously removing carbon monoxide, hydrocarbons or carbon making use of oxidation catalysts
-
- 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
- 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
- B01J35/615—100-500 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
- B01J35/635—0.5-1.0 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
- B01J35/63—Pore volume
- B01J35/638—Pore volume more than 1.0 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
- B01J35/647—2-50 nm
-
- 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
- B01J2235/00—Indexing scheme associated with group B01J35/00, related to the analysis techniques used to determine the catalysts form or properties
- B01J2235/15—X-ray diffraction
-
- 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
- B01J35/30—Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
- B01J35/31—Density
- B01J35/32—Bulk density
-
- 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
- B01J35/30—Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
- B01J35/34—Mechanical properties
- B01J35/36—Mechanical strength
-
- 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
- B01J35/30—Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
- B01J35/34—Mechanical properties
- B01J35/37—Crush or impact strength
-
- 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
- B01J35/30—Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
- B01J35/34—Mechanical properties
- B01J35/38—Abrasion or attrition resistance
-
- 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
- B01J35/70—Catalysts, in general, characterised by their form or physical properties characterised by their crystalline properties, e.g. semi-crystalline
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/60—Compounds characterised by their crystallite size
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/30—Particle morphology extending in three dimensions
- C01P2004/32—Spheres
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
- C01P2004/61—Micrometer sized, i.e. from 1-100 micrometer
-
- 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
- C01P2006/10—Solid 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
- C01P2006/11—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
- C01P2006/16—Pore diameter
- C01P2006/17—Pore diameter distribution
-
- 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
-
- 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
- C01P2006/22—Rheological behaviour as dispersion, e.g. viscosity, sedimentation stability
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Combustion & Propulsion (AREA)
- Catalysts (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/781,379 US4179408A (en) | 1977-03-25 | 1977-03-25 | Process for preparing spheroidal alumina particles |
US05/781,393 US4154812A (en) | 1977-03-25 | 1977-03-25 | Process for preparing alumina |
Publications (2)
Publication Number | Publication Date |
---|---|
DE2812875A1 DE2812875A1 (de) | 1978-10-05 |
DE2812875C2 true DE2812875C2 (enrdf_load_stackoverflow) | 1989-08-31 |
Family
ID=27119846
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE2858783A Expired - Lifetime DE2858783C2 (enrdf_load_stackoverflow) | 1977-03-25 | 1978-03-23 | |
DE19782812875 Granted DE2812875A1 (de) | 1977-03-25 | 1978-03-23 | Aluminiumoxidzusammensetzungen und verfahren zu deren herstellung |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE2858783A Expired - Lifetime DE2858783C2 (enrdf_load_stackoverflow) | 1977-03-25 | 1978-03-23 |
Country Status (4)
Country | Link |
---|---|
JP (1) | JPS53119800A (enrdf_load_stackoverflow) |
DE (2) | DE2858783C2 (enrdf_load_stackoverflow) |
FR (2) | FR2405899B1 (enrdf_load_stackoverflow) |
GB (4) | GB1603461A (enrdf_load_stackoverflow) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10053989B4 (de) * | 1999-11-04 | 2009-04-09 | N.E. Chemcat Corp. | Katalysator für die selektive Oxidation von Kohlenmonoxid in wasserstoffhaltigen Gasen, dessen Verwendung zur Entfernung von Kohlenmonoxid und dessen Verwendung in einem Festpolymer-Elektrolyt-Brennstoffzellensystem |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2518986B1 (fr) * | 1981-12-30 | 1985-09-06 | Criceram | Procede de preparation d'alumines de haute purete a partir de solutions impures de chlorure d'aluminium |
US4392987A (en) * | 1981-12-30 | 1983-07-12 | W. R. Grace & Co. | Alumina spheroids with controlled small particle size and a process for producing them |
DE3212249C2 (de) * | 1982-04-02 | 1986-08-21 | Condea Chemie GmbH, 2212 Brunsbüttel | Verfahren zur Herstellung von kugelförmiger Tonerde |
JPS58190823A (ja) * | 1982-04-26 | 1983-11-07 | Chiyoda Chem Eng & Constr Co Ltd | アルミナ担体の製造方法 |
US4513101A (en) * | 1983-07-27 | 1985-04-23 | W. R. Grace & Co. | Small bead auto exhaust catalyst |
JPS6340724A (ja) * | 1986-08-04 | 1988-02-22 | Kumamoto Pref Gov | 低ソ−ダアルミナ粉体の製造方法 |
CN1184144C (zh) * | 1998-07-06 | 2005-01-12 | 法国石油公司 | 新型可分散的氢氧化铝,其制法及其在制催化剂中的应用 |
JP4639443B2 (ja) * | 1999-08-30 | 2011-02-23 | 住友化学株式会社 | ベーマイト及びそれを用いて形成してなる磁気記録媒体の下地層 |
DE10221668B4 (de) * | 2002-05-16 | 2005-04-28 | Daimler Chrysler Ag | Kugelkatalysator für Verbrennungskraftmaschinen und Verfahren zur Katalyse von Abgasen bzw. Schadstoffgemischen |
TWI432381B (zh) * | 2005-12-12 | 2014-04-01 | Grace W R & Co | 氧化鋁粒子 |
WO2012067654A1 (en) * | 2010-11-16 | 2012-05-24 | Rhodia Operations | Porous inorganic composite oxide |
FR2984180A1 (fr) * | 2011-12-20 | 2013-06-21 | IFP Energies Nouvelles | Procede de fabrication de particules spheroidales d'alumine |
TWI611836B (zh) | 2012-02-17 | 2018-01-21 | Advanced Refining Technologies Llc. | 觸媒支撐物及其製備方法 |
TWI579043B (zh) * | 2012-02-17 | 2017-04-21 | 先進精鍊科技有限公司 | 球形觸媒支撐物及其製備方法 |
FR2997948B1 (fr) * | 2012-11-15 | 2014-11-28 | IFP Energies Nouvelles | Procede d'isomerisation d'une coupe c8 aromatique en presence d'un catalyseur a base d'une zeolithe euo et une teneur en sodium particuliere |
US10443100B2 (en) | 2014-05-22 | 2019-10-15 | The Scripps Research Institute | Gene expression profiles associated with sub-clinical kidney transplant rejection |
FR3022235B1 (fr) * | 2014-06-13 | 2021-05-07 | Ifp Energies Now | Gel haute dispersibilite et son procede de preparation |
RU2690357C9 (ru) * | 2014-08-08 | 2022-04-01 | Сэсол Перформанс Кемикалз Гмбх | Осажденный оксид алюминия и способ его приготовления |
CN112429755A (zh) * | 2020-11-18 | 2021-03-02 | 山东物华新材料科技有限公司 | 一种水处理活性氧化铝球的制备方法 |
DE112021007314T5 (de) | 2021-03-19 | 2024-01-04 | Jgc Catalysts And Chemicals Ltd. | Siliciumdioxid-Aluminiumoxid-Pulver, Verfahren zur Herstellung von Siliciumdioxid-Aluminiumoxid-Pulver, Katalysator für Fluid Catalytic Cracking und Verfahren zu dessen Herstellung |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1958710A (en) * | 1933-03-23 | 1934-05-15 | Paul S Moyer | Colloidal aluminum hydroxide and method of making the same |
US2492167A (en) * | 1943-06-01 | 1949-12-27 | Socony Vacuum Oil Co Inc | Process of forming alumina-containing gel beads |
FR1267749A (fr) * | 1960-09-21 | 1961-07-21 | Nalco Chemical Co | Procédé de préparation d'un support de catalyseur en alumine et produits en résultant |
FR1414641A (fr) * | 1963-12-06 | 1965-10-15 | Grace W R & Co | Procédé perfectionné de préparation de gels d'alumine par atomisation et gels d'alumine obtenus par ce procédé |
GB1076450A (en) * | 1963-12-06 | 1967-07-19 | Grace W R & Co | Improvements relating to the production of alumina gels |
DE1592108A1 (de) * | 1964-06-26 | 1970-12-03 | Grace W R & Co | Verfahren zur Herstellung von Tonerdegelen |
DE1592098C3 (de) * | 1965-12-13 | 1978-05-11 | Engelhard Minerals & Chemicals Corp., Murray Hill, N.J. (V.St.A.) | Verfahren zur Herstellung von kugelförmigen Aluminiumoxidteilchen |
JPS4933321B1 (enrdf_load_stackoverflow) * | 1970-12-07 | 1974-09-06 | ||
DE2302724A1 (de) * | 1972-01-19 | 1973-08-09 | Grace W R & Co | Kontinuierliches verfahren zur herstellung von aluminiumoxyd |
US3864461A (en) * | 1972-08-29 | 1975-02-04 | Laporte Industries Ltd | Process for the production of alumina |
US3864451A (en) * | 1973-08-16 | 1975-02-04 | Environics Inc | Method for Removing Nitric Oxide from Combustion Gases |
JPS5072897A (enrdf_load_stackoverflow) * | 1973-10-31 | 1975-06-16 | ||
US3979334A (en) * | 1975-04-16 | 1976-09-07 | Universal Oil Products Company | Manufacture of spheroidal alumina particles |
-
1978
- 1978-03-23 GB GB11808/78A patent/GB1603461A/en not_active Expired
- 1978-03-23 GB GB29047/80A patent/GB1603463A/en not_active Expired
- 1978-03-23 DE DE2858783A patent/DE2858783C2/de not_active Expired - Lifetime
- 1978-03-23 DE DE19782812875 patent/DE2812875A1/de active Granted
- 1978-03-23 GB GB29046/80A patent/GB1603462A/en not_active Expired
- 1978-03-23 GB GB29154/80A patent/GB1603464A/en not_active Expired
- 1978-03-25 JP JP3479878A patent/JPS53119800A/ja active Granted
- 1978-03-28 FR FR7808965A patent/FR2405899B1/fr not_active Expired
- 1978-09-19 FR FR7826852A patent/FR2405900B1/fr not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10053989B4 (de) * | 1999-11-04 | 2009-04-09 | N.E. Chemcat Corp. | Katalysator für die selektive Oxidation von Kohlenmonoxid in wasserstoffhaltigen Gasen, dessen Verwendung zur Entfernung von Kohlenmonoxid und dessen Verwendung in einem Festpolymer-Elektrolyt-Brennstoffzellensystem |
Also Published As
Publication number | Publication date |
---|---|
JPH0152328B2 (enrdf_load_stackoverflow) | 1989-11-08 |
JPS53119800A (en) | 1978-10-19 |
DE2858783C2 (enrdf_load_stackoverflow) | 1992-02-06 |
FR2405900B1 (fr) | 1986-04-11 |
FR2405900A1 (fr) | 1979-05-11 |
GB1603464A (en) | 1981-11-25 |
FR2405899B1 (fr) | 1985-10-04 |
GB1603461A (en) | 1981-11-25 |
DE2812875A1 (de) | 1978-10-05 |
GB1603462A (en) | 1981-11-25 |
FR2405899A1 (fr) | 1979-05-11 |
GB1603463A (en) | 1981-11-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8110 | Request for examination paragraph 44 | ||
8181 | Inventor (new situation) |
Free format text: SANCHEZ, MOISES GALI, SEVERNA PARK, MD., US LAINE, NORMAN RAYMOND, ROCKVILLE, MD., US ERNEST, MICHAEL VANCE, BALTIMORE, MD., US |
|
8127 | New person/name/address of the applicant |
Owner name: W.R. GRACE & CO.-CONN., NEW YORK, N.Y., US |
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8128 | New person/name/address of the agent |
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