Способ очистки газов от сероводорода
Patents
Language: |
Русский |
Type: |
Certificate of authorship |
Number |
SU 978899 A1 |
Request number: |
3230741/23-26 |
Request date: |
Jan 4, 1981 |
patent.field.start_date: |
|
Registration date: |
Dec 7, 1982 |
patent.field.request_publication_date: |
|
Authors |
Фаддеенкова Г.А.
,
Кундо Н.Н.
,
Симонов А.Д.
,
Ляшенко Г.И.
|
Affiliations |
1 |
Специальное конструкторско-технологическое бюро катализаторов
|
2 |
Институт катализа Сибирского отделения АН СССР
|
|
H2S is removed from gases by absorption by an aq. alk. soln. contg. Co sulfophthalocyanine at pH 8.5-12, with regeneration of the absorbent by blowing air through it and pptg. elemental S. The S yield and the regeneration rate are increased by adding to the absorbent soln. 0.1-0.2 mol/L soln. in H2O of an aldehyde (HCHO, glyoxal, or o-chlorosalicylaldehyde.