Improvements relating to catalysts
Патенты
Язык: |
Английский |
Тип: |
Патент на изобретение |
Номер (11) |
GB 1270224 A |
Номер заявки (21): |
13275/70 |
Дата подачи заявки (22): |
19 мар. 1970 г. |
Дата начала отсчета срока действия патента (24): |
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Дата публикации патента (44,45,46): |
12 апр. 1972 г. |
Дата публикации заявки (43): |
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Авторы |
Boreskov G.K.
,
Dzisko V.A.
,
Tarasova D.V.
,
Polyakova G.M.
,
Davydova L.P.
,
Vishnyakova G.P.
|
Организации |
1 |
Институт катализа им. Г.К. Борескова СО РАН
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A carrier that has pores predominantly of two sizes is prepd. by comminuting a silica gel of pore size 2000 to 10,000 Å, mixing it with SiH4 and an aq. soln. of K2SiO3 in the ratio of 85:10:5 and drying the mixt. The carrier is then impregnated with an aq.-soln. of VOSO4 and KHSO4, dried and calcined. The product exceeds by a factor of 1.5 to 2.5 the activity of known V catalysts and exhibits activity at a temp. as low as 360°.