GB371307A - Process for separating aluminium hydroxide from silicic acid - Google Patents
Process for separating aluminium hydroxide from silicic acidInfo
- Publication number
- GB371307A GB371307A GB2289/31A GB228931A GB371307A GB 371307 A GB371307 A GB 371307A GB 2289/31 A GB2289/31 A GB 2289/31A GB 228931 A GB228931 A GB 228931A GB 371307 A GB371307 A GB 371307A
- Authority
- GB
- United Kingdom
- Prior art keywords
- solution
- alumina
- separated
- sulphur dioxide
- silicic 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
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 title abstract 3
- 235000012239 silicon dioxide Nutrition 0.000 title abstract 3
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 title abstract 2
- 229910021502 aluminium hydroxide Inorganic materials 0.000 title abstract 2
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 abstract 6
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 abstract 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract 3
- 235000010269 sulphur dioxide Nutrition 0.000 abstract 3
- 239000004291 sulphur dioxide Substances 0.000 abstract 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract 2
- 238000010438 heat treatment Methods 0.000 abstract 2
- 239000007788 liquid Substances 0.000 abstract 2
- 239000000203 mixture Substances 0.000 abstract 2
- 239000002244 precipitate Substances 0.000 abstract 2
- JAECLFYFGIPXRT-UHFFFAOYSA-K aluminum;hydrogen sulfite Chemical compound [Al+3].OS([O-])=O.OS([O-])=O.OS([O-])=O JAECLFYFGIPXRT-UHFFFAOYSA-K 0.000 abstract 1
- 238000001816 cooling Methods 0.000 abstract 1
- 238000001035 drying Methods 0.000 abstract 1
- 230000001376 precipitating effect Effects 0.000 abstract 1
- 230000009103 reabsorption Effects 0.000 abstract 1
- 239000000377 silicon dioxide 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
- C01F7/20—Preparation of aluminium oxide or hydroxide from aluminous ores using acids or salts
- C01F7/28—Preparation of aluminium oxide or hydroxide from aluminous ores using acids or salts with sulfurous acid
-
- 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
- C01F7/46—Purification of aluminium oxide, aluminium hydroxide or aluminates
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Silicon Compounds (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT133502T | 1930-07-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB371307A true GB371307A (en) | 1932-04-21 |
Family
ID=3637861
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2289/31A Expired GB371307A (en) | 1930-07-26 | 1931-07-16 | Process for separating aluminium hydroxide from silicic acid |
| GB20455/31A Expired GB371236A (en) | 1930-07-26 | 1931-07-16 | Improvements in or relating to the manufacture of alumina and compounds thereof |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB20455/31A Expired GB371236A (en) | 1930-07-26 | 1931-07-16 | Improvements in or relating to the manufacture of alumina and compounds thereof |
Country Status (5)
| Country | Link |
|---|---|
| AT (1) | AT133502B (en(2012)) |
| BE (1) | BE381559A (en(2012)) |
| CH (1) | CH156430A (en(2012)) |
| DE (1) | DE554571C (en(2012)) |
| GB (2) | GB371307A (en(2012)) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE767605C (de) * | 1936-11-29 | 1952-12-08 | Goldschmidt Ag Th | Gewinnung von Tonerde aus basischem Aluminiumsulfit |
-
0
- BE BE381559D patent/BE381559A/xx unknown
-
1930
- 1930-07-26 AT AT133502D patent/AT133502B/de active
- 1930-08-10 DE DES97066A patent/DE554571C/de not_active Expired
-
1931
- 1931-07-11 CH CH156430D patent/CH156430A/de unknown
- 1931-07-16 GB GB2289/31A patent/GB371307A/en not_active Expired
- 1931-07-16 GB GB20455/31A patent/GB371236A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB371236A (en) | 1932-04-21 |
| BE381559A (en(2012)) | |
| DE554571C (de) | 1932-07-13 |
| AT133502B (de) | 1933-05-26 |
| CH156430A (de) | 1932-08-15 |
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