Способ получения силикагеля
Patents
| Language: |
Русский |
| Type: |
Certificate of authorship |
| Number |
SU 175925 |
| Request number: |
913456/23-4 |
| Request date: |
Jun 21, 1964 |
| patent.field.start_date: |
|
| Registration date: |
Oct 26, 1965 |
| patent.field.request_publication_date: |
|
| Authors |
Дзисько В.А.
,
Борисова М.С.
,
Красиленко Н.П.
,
Тарасова Д.В.
|
| Affiliations |
| 1 |
Boreskov Institute of Catalysis SB RAS
|
|
A hydrogel is pptd. from aq. solns. of Na silicate and the NH4 salt of a strong acid with intense mixing, followed by filtration and washing of the hydrogel. To obtain a granulated silica gel with high strength, the hydrogel is ground in a mill or between rollers.