GB813937A - Production of alumina sol - Google Patents
Production of alumina solInfo
- Publication number
- GB813937A GB813937A GB35301/56A GB3530156A GB813937A GB 813937 A GB813937 A GB 813937A GB 35301/56 A GB35301/56 A GB 35301/56A GB 3530156 A GB3530156 A GB 3530156A GB 813937 A GB813937 A GB 813937A
- Authority
- GB
- United Kingdom
- Prior art keywords
- aluminium
- reaction
- alumina
- mercury
- acid
- 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
- PNEYBMLMFCGWSK-UHFFFAOYSA-N AI2O3 Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 title abstract 5
- QTBSBXVTEAMEQO-UHFFFAOYSA-N acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 abstract 6
- 239000004411 aluminium Substances 0.000 abstract 3
- 229910052782 aluminium Inorganic materials 0.000 abstract 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminum Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract 3
- BDAGIHXWWSANSR-UHFFFAOYSA-N formic acid Chemical compound OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 abstract 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 3
- UKWHYYKOEPRTIC-UHFFFAOYSA-N Mercury(II) oxide Chemical compound [Hg]=O UKWHYYKOEPRTIC-UHFFFAOYSA-N 0.000 abstract 2
- 239000002253 acid Substances 0.000 abstract 2
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 abstract 2
- 229910052753 mercury Inorganic materials 0.000 abstract 2
- 229910000761 Aluminium amalgam Inorganic materials 0.000 abstract 1
- 229910000497 Amalgam Inorganic materials 0.000 abstract 1
- -1 aluminium mercury Chemical compound 0.000 abstract 1
- 230000000875 corresponding Effects 0.000 abstract 1
- 235000019253 formic acid Nutrition 0.000 abstract 1
- 229940101209 mercuric oxide Drugs 0.000 abstract 1
- 229910052751 metal Inorganic materials 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 239000008188 pellet Substances 0.000 abstract 1
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
- C01F7/42—Preparation of aluminium oxide or hydroxide from metallic aluminium, e.g. by oxidation
- C01F7/428—Preparation of aluminium oxide or hydroxide from metallic aluminium, e.g. by oxidation by oxidation in an aqueous solution
-
- 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
- B01J13/00—Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided for; Making microcapsules or microballoons
- B01J13/0004—Preparation of sols
-
- 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
- B01J13/00—Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided for; Making microcapsules or microballoons
- B01J13/0004—Preparation of sols
- B01J13/0047—Preparation of sols containing a metal oxide
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
In the preparation of alumina sols by treating aluminium mercury amalgam with water containing a peptizing acid, an excess of aluminium metal is maintained throughout the reaction, preferably 25 to 100 per cent excess, whereby the mercury released in the reaction with water, is re-amalgamated with aluminium, and the resulting alumina sol is free from mercury. Acetic or formic acid is used as the peptizing acid. For example, 480 lb. of aluminium pellets are added to water heated to 135 DEG F. containing acetic acid, in three lots of 300, 100 and 80 lb. A total of 24 lb. of mercuric oxide are also added at the corresponding stages, and the temperature increased to 175 DEG F. The reaction is stopped when an alumina concentration of 7 per cent is attained, and the unreacted aluminium amalgam separated from the sol, and used in a further preparation of alumina sol. Specifications 552,053 and 736,632 are referred to.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB813937A true GB813937A (en) | 1959-05-27 |
Family
ID=1744247
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB35301/56A Expired GB813937A (en) | 1956-11-19 | Production of alumina sol |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB813937A (en) |
-
1956
- 1956-11-19 GB GB35301/56A patent/GB813937A/en not_active Expired
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