High-efficiency separation of an ethylene/ethane mixture by a large-scale liquid-membrane contactor containing flat-sheet nonporous polymeric gas-separation membranes and a selective flowing-liquid absorbentстатья
Информация о цитировании статьи получена из
Scopus ,
Web of Science
Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.
Авторы:
Bessarabov D.G.,
Sanderson R.D.,
Jacobs E.P.,
Beckman I.N.
Журнал:
Industrial and Engineering Chemistry Research
Том:
34
Номер:
5
Год издания:
1995
Издательство:
American Chemical Society
Местоположение издательства:
United States
Первая страница:
1769
Последняя страница:
1778
Аннотация:
Ethylene and ethane were effectively separated from a mixture comprising these two gases by means of a large-scale liquid-membrane contactor (membrane permabsorber). The contactor comprised composite flat-sheet membranes with a nonporous diffusional layer made from polyblock copolymer poly(dimethylsiloxane)/poly(phenylsilsesquioxane) and an aqueous solution of silver nitrate flowing along turbulence-promoter spacers between the membranes. The membrane permabsorber permitted ethylene and ethane to be separated effectively from a binary mixture. The problem with the selection of suitable membranes is discussed. It was shown that the efficiency of the separation process could be varied by changing the liquid-flow rate, the membrane area, the concentration of the selective carrier in the liquid, the temperature of the liquid absorbent, and the gas-separation properties of the membranes. © 1995 American Chemical Society.
Добавил в систему:
Бекман Игорь Николаевич