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.