ZA762048B - Spheroidal alumina particles - Google Patents
Spheroidal alumina particlesInfo
- Publication number
- ZA762048B ZA762048B ZA762048A ZA762048A ZA762048B ZA 762048 B ZA762048 B ZA 762048B ZA 762048 A ZA762048 A ZA 762048A ZA 762048 A ZA762048 A ZA 762048A ZA 762048 B ZA762048 B ZA 762048B
- Authority
- ZA
- South Africa
- Prior art keywords
- alumina particles
- spheroidal alumina
- spheroidal
- particles
- alumina
- Prior art date
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
- C01F7/30—Preparation of aluminium oxide or hydroxide by thermal decomposition or by hydrolysis or oxidation of aluminium compounds
- C01F7/308—Thermal decomposition of nitrates
-
- 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
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
-
- 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
- B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
- B01J2/20—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic by expressing the material, e.g. through sieves and fragmenting the extruded length
-
- 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
-
- 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
- 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
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Inorganic Chemistry (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Materials Engineering (AREA)
- Catalysts (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Compositions Of Oxide Ceramics (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US56854275A | 1975-04-16 | 1975-04-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA762048B true ZA762048B (en) | 1977-04-27 |
Family
ID=24271712
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA762048A ZA762048B (en) | 1975-04-16 | 1976-04-06 | Spheroidal alumina particles |
Country Status (14)
| Country | Link |
|---|---|
| JP (1) | JPS51135910A (ro) |
| AR (1) | AR208228A1 (ro) |
| BE (1) | BE840770A (ro) |
| BR (1) | BR7602252A (ro) |
| DE (1) | DE2615868C3 (ro) |
| ES (1) | ES447090A1 (ro) |
| FR (1) | FR2307576A1 (ro) |
| GB (1) | GB1535807A (ro) |
| IN (1) | IN145499B (ro) |
| IT (1) | IT1060717B (ro) |
| NL (1) | NL7604003A (ro) |
| PT (1) | PT64996B (ro) |
| RO (1) | RO69972A (ro) |
| ZA (1) | ZA762048B (ro) |
Families Citing this family (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2935914A1 (de) * | 1979-09-06 | 1981-04-02 | Kali-Chemie Ag, 3000 Hannover | Verfahren zur herstellung von kugelfoermigen formkoerpern auf basis al(pfeil abwaerts)2(pfeil abwaerts)o(pfeil abwaerts)3(pfeil abwaerts) und/oder sio(pfeil abwaerts)2(pfeil abwaerts) |
| FR2546513B3 (fr) * | 1983-03-25 | 1986-01-03 | Micro Rayonnements Cie Fse | Ensemble de sechage et pulverisation pour barbotines argileuses ou kaoliniques |
| FR2577816A1 (fr) * | 1985-02-28 | 1986-08-29 | Skid Sa | Procede et dispositif pour le fartage de skis par pulverisation |
| JPH11319584A (ja) | 1998-05-11 | 1999-11-24 | Nippon Kecchen Kk | 粒状触媒用担体の製造方法および該担体を用いた触媒の製造方法 |
| GB9819591D0 (en) * | 1998-09-08 | 1998-11-04 | Elementis Uk Limited | Granular pigments |
| US6562120B2 (en) * | 1998-09-08 | 2003-05-13 | Elementis Uk Limited | Granular pigments |
| CN103041868B (zh) * | 2011-10-17 | 2014-10-22 | 中国石油化工股份有限公司 | 一种球形催化剂载体的制备方法 |
| CN103041837B (zh) * | 2011-10-17 | 2015-10-21 | 中国石油化工股份有限公司 | 一种球形加氢催化剂的制备方法 |
| CN103041869B (zh) * | 2011-10-17 | 2015-04-15 | 中国石油化工股份有限公司 | 球形催化剂载体的制备方法 |
| CN106458779B (zh) | 2014-01-31 | 2020-12-11 | 沙地基本工业公司 | 包括一个或多个核心的肥料包膜和其制备方法 |
| US10233133B2 (en) | 2014-05-05 | 2019-03-19 | Sabic Global Technologies B.V. | Coated granular fertilizers, methods of manufacture thereof, and uses |
| EP3325431B1 (en) | 2015-07-20 | 2021-08-25 | SABIC Global Technologies B.V. | Fertilizer composition and methods of making and using same |
| WO2017013573A1 (en) | 2015-07-20 | 2017-01-26 | Sabic Global Technologies B.V. | Fertilizer composition and methods of making and using same |
| US10865159B2 (en) | 2015-11-16 | 2020-12-15 | Sabic Global Technologies B.V. | Methods of manufacture for coated granular fertilizers |
| CN108349828A (zh) | 2015-11-16 | 2018-07-31 | 沙特基础工业全球技术有限公司 | 包膜粒状肥料、其制造方法及其用途 |
| WO2017137902A1 (en) * | 2016-02-08 | 2017-08-17 | Sabic Global Technologies B.V. | Method of making a fertilizer seed core |
| US11358908B2 (en) | 2017-04-19 | 2022-06-14 | Sabic Global Technologies B.V. | Enhanced efficiency fertilizer with urease inhibitor and nitrification inhibitor in separate particles |
| EP3612506A1 (en) | 2017-04-19 | 2020-02-26 | SABIC Global Technologies B.V. | Enhanced efficiency fertilizer with urease inhibitor and nitrification inhibitor separated within the same particle |
| AU2018255908B2 (en) | 2017-04-20 | 2023-06-29 | SABIC Agri-Nutrients Company | Enhanced efficiency fertilizer with embedded powder composition |
| AU2018313067B2 (en) | 2017-08-09 | 2024-02-08 | SABIC Agri-Nutrients Company | Extruded fertilizer granules with urease and/or nitrification inhibitors |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE912911C (de) * | 1951-10-24 | 1954-06-03 | Arthur Eric Jarvis Vickers | Feuerfester Zement oder Moertel |
| US3154603A (en) * | 1961-08-02 | 1964-10-27 | American Cyanamid Co | Process for the preparation of spherical contact particles |
-
1976
- 1976-01-01 AR AR262891A patent/AR208228A1/es active
- 1976-04-03 RO RO7685606A patent/RO69972A/ro unknown
- 1976-04-06 ZA ZA762048A patent/ZA762048B/xx unknown
- 1976-04-07 IN IN604/CAL/76A patent/IN145499B/en unknown
- 1976-04-09 PT PT64996A patent/PT64996B/pt unknown
- 1976-04-10 DE DE2615868A patent/DE2615868C3/de not_active Expired
- 1976-04-13 FR FR7610802A patent/FR2307576A1/fr not_active Withdrawn
- 1976-04-13 BR BR7602252A patent/BR7602252A/pt unknown
- 1976-04-14 IT IT22320/76A patent/IT1060717B/it active
- 1976-04-15 BE BE166175A patent/BE840770A/xx unknown
- 1976-04-15 GB GB15489/76A patent/GB1535807A/en not_active Expired
- 1976-04-15 JP JP51041904A patent/JPS51135910A/ja active Granted
- 1976-04-15 NL NL7604003A patent/NL7604003A/xx not_active Application Discontinuation
- 1976-04-15 ES ES447090A patent/ES447090A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2307576A1 (fr) | 1976-11-12 |
| RO69972A (ro) | 1981-08-30 |
| NL7604003A (nl) | 1976-10-19 |
| AR208228A1 (es) | 1976-12-09 |
| PT64996A (en) | 1976-05-01 |
| PT64996B (en) | 1977-09-08 |
| IN145499B (ro) | 1978-10-21 |
| AU1273876A (en) | 1977-10-13 |
| DE2615868C3 (de) | 1981-04-02 |
| JPS569472B2 (ro) | 1981-03-02 |
| ES447090A1 (es) | 1977-06-16 |
| BE840770A (fr) | 1976-08-02 |
| BR7602252A (pt) | 1976-10-12 |
| DE2615868B2 (de) | 1980-07-17 |
| GB1535807A (en) | 1978-12-13 |
| DE2615868A1 (de) | 1976-10-21 |
| IT1060717B (it) | 1982-08-20 |
| JPS51135910A (en) | 1976-11-25 |
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