Patent ID: 11904282
Assignee: KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATION
Field: Chemical engineering (Chemistry)
Classification: CPC B  C  Y | IPC B  C

Claim 0:
1. A method of separating CO2 from a mixture gas comprising:
flowing the mixture gas through a CHA zeolite membrane;
separating the CO2 from the mixture gas; and
collecting the separated CO2,
wherein the mixture gas comprises CO2 and a molecule selected from the group consisting of CH4, CO, SO2, N2, O2, C2H4, C2H6, C3H6 and C3H8,
wherein the CHA zeolite membrane is prepared by a method comprising calcining the CHA zeolite membrane under an ozone atmosphere at a temperature of 150 to 300° C., and
wherein the mixture gas is flue gas, synthesis gas, or exhaust gas, which comprises moisture.