公开(公告)号：US11684890B2

公开(公告)日：2023-06-27

申请号：US16827560

申请日：2020-03-23

Applicant: KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY

Inventor： Jeong Hoon Kim ,  Chang In Kong ,  Yang No Yun ,  Su Young Moon ,  Bong Jun Chang ,  Bo Ryoung Park ,  Youn-Sang Bae ,  Tea-Hoon Kim

IPC: B01D53/22 ,  B01D71/00 ,  B01D67/00 ,  B01D69/12

CPC classification number: B01D53/228 ,  B01D67/0079 ,  B01D67/0083 ,  B01D69/12 ,  B01D71/00 ,  B01D2257/7025 ,  B01D2325/02 ,  B01D2325/20

Abstract: Provided are a methane-selective composite membrane comprising: a UiO-66 type organic-inorganic composite nanoporous material, a MIL-100 type organic-inorganic composite nanoporous material, or a ZIF-8 type organic-inorganic composite nanoporous material to which a methane-selective functional group is introduced for selectively separating methane from a gas mixture containing methane/nitrogen, a use thereof, and a method of preparing the same.