摘要:
Disclosed are methods of obtaining carbon dioxide from a CO 2 -containing gas mixture. The methods combine the benefits of gas membrane separation with cryogenic temperatures.
摘要:
Disclosed are methods of obtaining carbon dioxide from a CO 2 -containing gas mixture. The methods combine the benefits of gas membrane separation with cryogenic temperatures.
摘要:
This present invention provides a method to recover hydrogen and carbon dioxide, preferably at least 50%, even more preferably at least 80% and most preferably at least 90% of the carbon dioxide contained in a syngas stream (15). The proposed use combines hydrogen selective membranes (42, 7) and carbon dioxide selective membranes (10) together with carbon dioxide separation units (4) and pressure swing adsorption unit (0) such that hydrogen and carbon dioxide are produced.
摘要:
A method of purifying a gas composed of a product gas and one or more impurity gases, comprising: - combining a first feed stream (115) with a second stream (108) thereby forming a combined feed stream (404), - introducing the combined feed stream (404) into a first pressure swing adsorption device (405), thereby producing a first high purity gas stream (407) and a first off-gas stream (406), and - introducing the first off-gas stream (406) into a membrane separation device (104), thereby producing a gas stream lean in high purity gas stream (105) and a permeate stream (106).