DE2858783C2 - - Google Patents
Info
- Publication number
- DE2858783C2 DE2858783C2 DE2858783A DE2858783A DE2858783C2 DE 2858783 C2 DE2858783 C2 DE 2858783C2 DE 2858783 A DE2858783 A DE 2858783A DE 2858783 A DE2858783 A DE 2858783A DE 2858783 C2 DE2858783 C2 DE 2858783C2
- Authority
- DE
- Germany
- Prior art keywords
- alumina
- particles
- ammonia
- suspension
- spherical
- 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 - Lifetime
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 (1)
Publication Number | Publication Date |
---|---|
DE2858783C2 true DE2858783C2 (enrdf_load_stackoverflow) | 1992-02-06 |
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 After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19782812875 Granted DE2812875A1 (de) | 1977-03-25 | 1978-03-23 | Aluminiumoxidzusammensetzungen und verfahren zu deren herstellung |
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 |
---|---|---|---|---|
DE10221668A1 (de) * | 2002-05-16 | 2003-12-04 | Daimler Chrysler Ag | Kugelkatalysator für Verbrennungskraftmaschinen und Verfahren zur Katalyse von Abgasen bzw. Schadstoffgemischen |
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 |
JP3715482B2 (ja) * | 1999-11-04 | 2005-11-09 | エヌ・イーケムキャット株式会社 | 水素含有ガス中の一酸化炭素選択酸化触媒並びに該触媒を用いた一酸化炭素除去方法及び固体高分子電解質型燃料電池システム |
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 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3558508A (en) * | 1965-12-13 | 1971-01-26 | Engelhard Ind Inc | Preparation of spheroidal aluminum oxide gels |
Family Cites Families (12)
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 |
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
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3558508A (en) * | 1965-12-13 | 1971-01-26 | Engelhard Ind Inc | Preparation of spheroidal aluminum oxide gels |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10221668A1 (de) * | 2002-05-16 | 2003-12-04 | Daimler Chrysler Ag | Kugelkatalysator für Verbrennungskraftmaschinen und Verfahren zur Katalyse von Abgasen bzw. Schadstoffgemischen |
DE10221668B4 (de) * | 2002-05-16 | 2005-04-28 | Daimler Chrysler Ag | Kugelkatalysator für Verbrennungskraftmaschinen und Verfahren zur Katalyse von Abgasen bzw. Schadstoffgemischen |
Also Published As
Publication number | Publication date |
---|---|
JPH0152328B2 (enrdf_load_stackoverflow) | 1989-11-08 |
JPS53119800A (en) | 1978-10-19 |
FR2405900B1 (fr) | 1986-04-11 |
DE2812875C2 (enrdf_load_stackoverflow) | 1989-08-31 |
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 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE2858783C2 (enrdf_load_stackoverflow) | ||
DE1592098C3 (de) | Verfahren zur Herstellung von kugelförmigen Aluminiumoxidteilchen | |
DE3113326C2 (enrdf_load_stackoverflow) | ||
US4154812A (en) | Process for preparing alumina | |
DE3587275T2 (de) | Durch rehydratation bindbares aluminiumoxid. | |
US4179408A (en) | Process for preparing spheroidal alumina particles | |
DE896189C (de) | Verfahren zur Herstellung von kieselsaeurehaltigen Gelkoernern | |
DE69005483T2 (de) | Verfahren zur Herstellung von Agglomeraten von aktiviertem Aluminiumoxid, auf diese Weise hergestellte Agglomerate und Vorrichtung zu ihrer Herstellung. | |
US4390456A (en) | Spheroidal alumina particles and catalysts employing the particles as a support | |
EP0090994B1 (de) | Verfahren zur Herstellung von kugelförmiger Tonerde | |
US4371513A (en) | Alumina compositions | |
DE69112514T3 (de) | Wärmebeständige Übergangsalumina und Verfahren zu deren Herstellung. | |
DE3220671A1 (de) | Hydrierungskatalysator fuer die entschwefelung und entfernung von schwermetallen | |
DE69225923T2 (de) | Neues SOx/NOx-Sorbentmittel | |
DE3242293A1 (de) | Katalysatortraeger in form von calcinierten kugelfoermigen tonerdeteilchen | |
DE69606158T2 (de) | Geformte Aktivkohle auf der Basis von Lignocellulose | |
DE69826923T2 (de) | Hydrotreating von Kohlenwasserstoffeinsätzen im wallenden Bett | |
DE69420855T2 (de) | Verwendung eines Sorptionsmittels zur Entfernung von Schwefel- und Stickstoffoxiden aus Gasen | |
DE2615867B2 (de) | Verfahren zur Herstellung kugeliger Tonerdeteilchen | |
DE60203337T2 (de) | Verfahren zur Herstellung eines alpha-Aluminiumoxid-Formkörpers | |
DE2739611A1 (de) | Amorphes aluminosilicatpulver und verfahren zur herstellung desselben | |
DE2908740A1 (de) | Verfahren zur herstellung von kugelfoermigen tonerdepartikeln | |
DE69827255T2 (de) | Aluminiumoxidextrudate, ihre herstellungsverfahren und verwendung dieser, als katalysatoren oder katalysatorträger | |
DE102009056145B3 (de) | Beschichtungssuspension zur Beschichtung von Katalysatorsubstraten | |
DE1767754C3 (de) | Verfahren zur Herstellung von periförmigen Katalysatorträgern für hohe mechanische Beanspruchung |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
Q172 | Divided out of (supplement): |
Ref country code: DE Ref document number: 2812875 |
|
8110 | Request for examination paragraph 44 | ||
AC | Divided out of |
Ref country code: DE Ref document number: 2812875 Format of ref document f/p: P |
|
AC | Divided out of |
Ref country code: DE Ref document number: 2812875 Format of ref document f/p: P |
|
D2 | Grant after examination | ||
8364 | No opposition during term of opposition |