Способ приготовления хромомолибденового катализатора для окисления метанола в формальдегид
Patents
Language: |
Русский |
Type: |
Certificate of authorship |
Number |
SU 615626 A1 |
Request number: |
2179932/23-04 |
Request date: |
Jul 25, 1975 |
patent.field.start_date: |
|
Registration date: |
Jan 7, 1981 |
patent.field.request_publication_date: |
|
Authors |
Попов Б.И.
,
Попов Т.С.
,
Боресков Г.К.
,
Близнаков Г.М.
,
Скоморохова Н.Г.
|
Affiliations |
1 |
Boreskov Institute of Catalysis SB RAS
|
2 |
Institute of General and Inorganic Chemistry, Bulgarian Academy of Sciences
|
|
A Cr-Mo catalyst is prepd. from solns. of (NH4)6Mo7O24.H2O and Cr nitrate, and calcined at 500-600°. The mech. strength of the catalyst is increased by copptg. in the presence of an NH3 soln. with a pH of 5-6 at the end of the copptn. and then washing, filtering and granulating the resultant ppt.