ES482784A1 - Un procedimiento de preparacion de alumina altamente reacti-va - Google Patents
Un procedimiento de preparacion de alumina altamente reacti-vaInfo
- Publication number
- ES482784A1 ES482784A1 ES482784A ES482784A ES482784A1 ES 482784 A1 ES482784 A1 ES 482784A1 ES 482784 A ES482784 A ES 482784A ES 482784 A ES482784 A ES 482784A ES 482784 A1 ES482784 A1 ES 482784A1
- Authority
- ES
- Spain
- Prior art keywords
- highly reactive
- preparation
- reactive alumina
- alumina
- prepared
- 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
- C01F7/30—Preparation of aluminium oxide or hydroxide by thermal decomposition or by hydrolysis or oxidation of aluminium compounds
-
- 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
- C01F7/48—Halides, with or without other cations besides aluminium
- C01F7/56—Chlorides
- C01F7/57—Basic aluminium chlorides, e.g. polyaluminium chlorides
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/02—Amorphous compounds
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/70—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data
- C01P2002/72—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data by d-values or two theta-values, e.g. as X-ray diagram
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Abstract
1. Un procedimiento de preparación de alúmina altamente reactiva que posee una estructura amorfa y cuya superficie específica es superior a 600 m2/g, caracterizado porque se descompone térmicamente carbonato doble de aluminio y amonio de fórmula A1 NH4 CO3 (OH)2 a una temperatura comprendida entre aproximadamente 200 y aproximadamente 500ºC, durante un tiempo comprendido entre una fracción de segundo y 5 horas aproximadamente.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7822095A FR2431993A1 (fr) | 1978-07-26 | 1978-07-26 | Nouvelle alumine hautement reactive, son procede de preparation et son application a la preparation d'hydroxychlorure d'aluminium |
Publications (1)
Publication Number | Publication Date |
---|---|
ES482784A1 true ES482784A1 (es) | 1980-09-01 |
Family
ID=9211192
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES482784A Expired ES482784A1 (es) | 1978-07-26 | 1979-07-24 | Un procedimiento de preparacion de alumina altamente reacti-va |
ES491755A Granted ES491755A0 (es) | 1978-07-26 | 1980-05-22 | Un procedimiento de preparacion de hidroxicloruros de alumi-nio |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES491755A Granted ES491755A0 (es) | 1978-07-26 | 1980-05-22 | Un procedimiento de preparacion de hidroxicloruros de alumi-nio |
Country Status (9)
Country | Link |
---|---|
US (1) | US4292295A (es) |
EP (1) | EP0007833B2 (es) |
JP (1) | JPS596250B2 (es) |
BR (1) | BR7904711A (es) |
CA (1) | CA1118581A (es) |
DE (1) | DE2960688D1 (es) |
ES (2) | ES482784A1 (es) |
FR (1) | FR2431993A1 (es) |
MX (1) | MX6584E (es) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0617224B2 (ja) * | 1985-03-04 | 1994-03-09 | 工業技術院長 | 易焼結性アルミナ粉体の製造法 |
US5286687A (en) * | 1991-08-09 | 1994-02-15 | Agency Of Industrial Science And Technology | Method for production of needlelike crystalline particles |
CN100436324C (zh) * | 2006-04-17 | 2008-11-26 | 厦门大学 | 一种无定型氢氧化铝的制备方法 |
FR2927267B1 (fr) * | 2008-02-07 | 2010-04-16 | Inst Francais Du Petrole | Catalyseur d'hydrogenation selective et son procede de preparation |
US8007760B2 (en) * | 2008-12-11 | 2011-08-30 | Uop Llc | Process for producing enhanced alumina |
US7947250B2 (en) * | 2008-12-11 | 2011-05-24 | Uop Llc | Process for conversion of aluminum oxide hydroxide |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2888323A (en) * | 1955-12-13 | 1959-05-26 | Ca Nat Research Council | Production of active oxides of large specific surface area |
NL302376A (es) * | 1962-12-21 | |||
NL302372A (es) * | 1962-12-21 | |||
US3459502A (en) * | 1967-03-10 | 1969-08-05 | Sinclair Research Inc | Production of alumina from dawsonite |
US3472787A (en) * | 1968-01-19 | 1969-10-14 | Air Prod & Chem | Preparation of dried gel |
US3743709A (en) * | 1971-07-12 | 1973-07-03 | Canadian Patents Dev | Preparation of highly porous alumina |
US4242328A (en) * | 1973-05-14 | 1980-12-30 | Purdue Research Foundation | Process and compositions |
FR2277039A2 (fr) * | 1974-07-02 | 1976-01-30 | Rhone Progil | Hydroxychlorures d'aluminium et leur procede de preparation |
FR2247425A1 (en) * | 1973-10-16 | 1975-05-09 | Rhone Progil | Aluminium oxy-chlorides from activated alumina - having uniform properties, for sewage and sludge treatment and catalyst carrier prodn |
US4034067A (en) * | 1973-10-16 | 1977-07-05 | Rhone-Poulenc Industries | Hydroxychlorides of aluminum and method |
JPS51140900A (en) * | 1975-05-29 | 1976-12-04 | Agency Of Ind Science & Technol | Process for production of aluminum carbonate hydroxide:ammonium |
GB1570632A (en) * | 1976-01-05 | 1980-07-02 | Exxon Research Engineering Co | Preparation of catalysts of predetermined pore size distribution and pore volume |
HU176461B (en) * | 1978-06-26 | 1981-03-28 | Almasfuezitoei Timfoeldgyqr | Method for producing aluminium oxide which suitable for layer chromatography purposes |
-
1978
- 1978-07-26 FR FR7822095A patent/FR2431993A1/fr active Granted
-
1979
- 1979-07-05 EP EP79400460A patent/EP0007833B2/fr not_active Expired
- 1979-07-05 DE DE7979400460T patent/DE2960688D1/de not_active Expired
- 1979-07-24 ES ES482784A patent/ES482784A1/es not_active Expired
- 1979-07-24 MX MX798248U patent/MX6584E/es unknown
- 1979-07-24 BR BR7904711A patent/BR7904711A/pt unknown
- 1979-07-25 CA CA000332561A patent/CA1118581A/fr not_active Expired
- 1979-07-26 JP JP54094325A patent/JPS596250B2/ja not_active Expired
-
1980
- 1980-05-22 ES ES491755A patent/ES491755A0/es active Granted
- 1980-08-01 US US06/174,659 patent/US4292295A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
BR7904711A (pt) | 1980-04-22 |
US4292295A (en) | 1981-09-29 |
FR2431993B1 (es) | 1981-03-27 |
MX6584E (es) | 1985-07-25 |
JPS5542289A (en) | 1980-03-25 |
JPS596250B2 (ja) | 1984-02-09 |
ES8104969A1 (es) | 1981-05-16 |
CA1118581A (fr) | 1982-02-23 |
EP0007833A1 (fr) | 1980-02-06 |
DE2960688D1 (en) | 1981-11-19 |
EP0007833B2 (fr) | 1984-12-12 |
FR2431993A1 (fr) | 1980-02-22 |
ES491755A0 (es) | 1981-05-16 |
EP0007833B1 (fr) | 1981-08-26 |
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