Способ приготовления варочного щелока для нейтрально сульфитной варки целлюлозы
Patents
Language: |
Русский |
Type: |
Certificate of authorship |
Number |
SU 767260 A1 |
Request number: |
2653339/29-12 |
Request date: |
Aug 11, 1978 |
patent.field.start_date: |
|
Registration date: |
Sep 30, 1980 |
patent.field.request_publication_date: |
|
Authors |
Лещинскайте Г.И.
,
Малышева Л.Н.
,
Бобров А.И.
,
Кундо Н.Н.
|
Affiliations |
1 |
Boreskov Institute of Catalysis SB RAS
|
2 |
Open Joint-Stock Company Central Scientific Research Institute of Paper
|
|
The combustion of green liquor oxidized with O in the presence of a catalyst, activated C pretreated with Co phthalocyaninetetrasulfonate, at 30-70° gave SO2 which was absorbed in a soln. of Na salts to produce sulfite liquor.