AT70376B - Process for the preparation of easily permeable, granular or flaky aluminate silicates. - Google Patents
Process for the preparation of easily permeable, granular or flaky aluminate silicates.Info
- Publication number
- AT70376B AT70376B AT70376DA AT70376B AT 70376 B AT70376 B AT 70376B AT 70376D A AT70376D A AT 70376DA AT 70376 B AT70376 B AT 70376B
- Authority
- AT
- Austria
- Prior art keywords
- granular
- flaky
- preparation
- silicates
- aluminate
- Prior art date
Links
- -1 aluminate silicates Chemical class 0.000 title description 9
- 238000000034 method Methods 0.000 title description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 230000002378 acidificating effect Effects 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 229910052910 alkali metal silicate Inorganic materials 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 150000004760 silicates Chemical class 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Description
<Desc/Clms Page number 1>
EMI1.1
EMI1.2
freie Säuren, wie Kohlensäure, gelöst sind, ein Teil der Basen aus den Aluminatsilikaten herausgelÖst wird und die Aluminatsilikate selbst mehr oder weniger stark sauer werden. Derartig veränderte Aluniinatsilikate können durch Behandeln mit Alkalien oder Sodalösung regeneriert werden.
Bei längerer Einwirkung von Wässern, welche die vorstehend angegebenen Stoffe in grösseren Mengen enthalten, auf die Aluminatsilikate kann aus letzteren auch Kieselsäure ausgelaugt. werden. Sie gehen dann leicht in einen gequollenen, gallertartigen Zustand über, wodurch ihre Durchlässigkeit beeinträchtigt wird. Die vorliegende Erfindung bezweckt nun, auch solche minderwertig gewordene Aluminatsilikate wieder in den ursprünglichen harten und körnigen
EMI1.3
Mengen konzentrierter Alkalisilikatlösungen digeriert, sei es in der Kälte oder in der Wärme, um den Prozess zu beschleunigen. Unter dem Emmiss dieser Lösungen bilden sich aus dem Material wieder neutrale Aluminatsilikate mit normalem Kieselsäuregehat.
Das Verfahren ist allgemein anwendbar, um saure tonerdehaltige Silikate in für Filtrationszwecke geeignete körnige AluminatSilikateumzuwandeln.
EMI1.4
**WARNUNG** Ende DESC Feld kannt Anfang CLMS uberlappen**.
<Desc / Clms Page number 1>
EMI1.1
EMI1.2
free acids, such as carbonic acid, are dissolved, some of the bases are dissolved out of the aluminate silicates and the aluminate silicates themselves become more or less strongly acidic. Such modified aluminum silicates can be regenerated by treatment with alkalis or soda solution.
In the event of prolonged exposure to the aluminate silicates of water containing the above-mentioned substances in larger quantities, silica can also be leached from the latter. will. They then easily go into a swollen, gelatinous state, which affects their permeability. The present invention now aims to restore such inferior aluminate silicates to their original hard and granular form
EMI1.3
Quantities of concentrated alkali silicate solutions are digested, be it in the cold or in the heat, in order to speed up the process. Under the emission of these solutions, neutral aluminate silicates with normal silica content are formed from the material.
The process is generally applicable to converting acidic alumina silicates to granular aluminate silicates suitable for filtration purposes.
EMI1.4
** WARNING ** End of DESC field may overlap beginning of CLMS **.
Claims (1)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE70376X | 1913-01-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| AT70376B true AT70376B (en) | 1915-11-10 |
Family
ID=5635412
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT70376D AT70376B (en) | 1913-01-06 | 1913-10-07 | Process for the preparation of easily permeable, granular or flaky aluminate silicates. |
Country Status (1)
| Country | Link |
|---|---|
| AT (1) | AT70376B (en) |
-
1913
- 1913-10-07 AT AT70376D patent/AT70376B/en active
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