ES8708121A1 - Procedimiento para la preparacion de alumina hidratada constituida esencialmente por particulas esfericas - Google Patents
Procedimiento para la preparacion de alumina hidratada constituida esencialmente por particulas esfericasInfo
- Publication number
- ES8708121A1 ES8708121A1 ES553099A ES553099A ES8708121A1 ES 8708121 A1 ES8708121 A1 ES 8708121A1 ES 553099 A ES553099 A ES 553099A ES 553099 A ES553099 A ES 553099A ES 8708121 A1 ES8708121 A1 ES 8708121A1
- Authority
- ES
- Spain
- Prior art keywords
- hydrated alumina
- preparing hydrated
- cationic
- preparing
- ionicity
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/01—Particle morphology depicted by an image
- C01P2004/03—Particle morphology depicted by an image obtained by SEM
-
- 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
- C01P2004/51—Particles with a specific particle size distribution
- C01P2004/52—Particles with a specific particle size distribution highly monodisperse size distribution
-
- 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
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
- C01P2004/62—Submicrometer sized, i.e. from 0.1-1 micrometer
-
- 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
- C01P2004/64—Nanometer sized, i.e. from 1-100 nanometer
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Nanotechnology (AREA)
- Inorganic Chemistry (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Composite Materials (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Materials Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Catalysts (AREA)
Abstract
MODIFICACIONES EN UN PROCEDIMIENTO PARA LA PREPARACION DE ALUMINA HIDRATADA CONSTITUIDA. CONSISTENTES EN: PARTIR DE SOLUCIONES ACUOSAS QUE COMPRENDEN SULFATO DE ALUMINIO, SIENDO LA RELACION SO42C/AL3B SUPERIOR A 1, LLEVANDO A CABO UNA PRECIPITACION EN PRESENCIA DE POLIELECTROLITOS CATIONICOS, SOLUBLES BAJO LAS CONDICIONES DE LA REACCION, EN CONCENTRACIONES TALES QUE NO SE FORME UNA FASE SEPARADA DE LA SOLUCION ACUOSA, CON UN PESO MOLECULAR MEDIO SUPERIOR A 1 MILLON, Y UNA IONICIDAD DE POR LO MENOS 3 MILIEQUIVALENTES POR GRAMO (MEG/G); LLEVARSE A CABO LA PRECIPITACION EN CONDICIONES TALES QUE SE LLEVE A CABO LA PRECIPITACION HOMOGENEA EN PRESENCIA DE SUSTANCIAS CAPACES DE LIBERAR IONES DE OHC BAJO LAS CONDICIONES DE REACCION.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT19959/85A IT1184163B (it) | 1985-03-19 | 1985-03-19 | Processo per la preparazione di allumina idrata sotto forma di particelle sferiche mediante precipitazione omogenea |
Publications (2)
Publication Number | Publication Date |
---|---|
ES553099A0 ES553099A0 (es) | 1987-09-16 |
ES8708121A1 true ES8708121A1 (es) | 1987-09-16 |
Family
ID=11162652
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES553099A Expired ES8708121A1 (es) | 1985-03-19 | 1986-03-18 | Procedimiento para la preparacion de alumina hidratada constituida esencialmente por particulas esfericas |
Country Status (10)
Country | Link |
---|---|
US (1) | US4902494A (es) |
EP (1) | EP0195669B1 (es) |
JP (1) | JPH078728B2 (es) |
KR (1) | KR930001211B1 (es) |
AU (1) | AU585325B2 (es) |
CA (1) | CA1288574C (es) |
DE (1) | DE3672509D1 (es) |
ES (1) | ES8708121A1 (es) |
IT (1) | IT1184163B (es) |
SU (1) | SU1604151A3 (es) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5771648A (en) * | 1988-03-14 | 1998-06-30 | Foam Form Systems, L.L.C. | Foam form concrete system |
US5147630A (en) * | 1989-06-05 | 1992-09-15 | Reznek Steven R | Method of producing alumina foams |
CN114471502B (zh) * | 2020-10-26 | 2023-07-28 | 中国石油化工股份有限公司 | 一种梯度孔分布的氧化铝载体的制备方法 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3027234A (en) * | 1959-09-08 | 1962-03-27 | Universal Oil Prod Co | Manufacture of spheroidal alumina particles from aluminum sulfate |
US3183194A (en) * | 1961-03-31 | 1965-05-11 | Mizusawa Industrial Chem | Method of preparing spherical active alumina gel and spherical active alumina-silica gel |
ZA731336B (en) * | 1972-03-15 | 1973-11-28 | Ici Ltd | Alumina |
IT1161200B (it) * | 1983-02-25 | 1987-03-18 | Montedison Spa | Processo e apparecchio per la preparazione di particelle di ossidi metallici monodisperse, sferiche, non aggregate e di dimensione inferiore al micron |
-
1985
- 1985-03-19 IT IT19959/85A patent/IT1184163B/it active
-
1986
- 1986-03-18 CA CA000504342A patent/CA1288574C/en not_active Expired - Fee Related
- 1986-03-18 JP JP61058430A patent/JPH078728B2/ja not_active Expired - Lifetime
- 1986-03-18 ES ES553099A patent/ES8708121A1/es not_active Expired
- 1986-03-19 EP EP86302038A patent/EP0195669B1/en not_active Expired - Lifetime
- 1986-03-19 DE DE8686302038T patent/DE3672509D1/de not_active Expired - Fee Related
- 1986-03-19 SU SU864027293A patent/SU1604151A3/ru active
- 1986-03-19 KR KR1019860002016A patent/KR930001211B1/ko not_active IP Right Cessation
- 1986-03-19 AU AU54902/86A patent/AU585325B2/en not_active Ceased
-
1989
- 1989-05-26 US US07/357,675 patent/US4902494A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CA1288574C (en) | 1991-09-10 |
DE3672509D1 (de) | 1990-08-16 |
JPS623017A (ja) | 1987-01-09 |
EP0195669A3 (en) | 1988-04-06 |
AU585325B2 (en) | 1989-06-15 |
AU5490286A (en) | 1986-09-25 |
IT1184163B (it) | 1987-10-22 |
JPH078728B2 (ja) | 1995-02-01 |
EP0195669B1 (en) | 1990-07-11 |
KR860007154A (ko) | 1986-10-08 |
EP0195669A2 (en) | 1986-09-24 |
US4902494A (en) | 1990-02-20 |
KR930001211B1 (ko) | 1993-02-22 |
ES553099A0 (es) | 1987-09-16 |
IT8519959A0 (it) | 1985-03-19 |
SU1604151A3 (ru) | 1990-10-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FD1A | Patent lapsed |
Effective date: 19970519 |