AUTHOR=Kim Jong Hak TITLE=Grand Challenges in Membrane Applications—Gas and Vapor JOURNAL=Frontiers in Membrane Science and Technology VOLUME=1 YEAR=2022 URL=https://www.frontiersin.org/journals/membrane-science-and-technology/articles/10.3389/frmst.2022.853402 DOI=10.3389/frmst.2022.853402 ISSN=2813-1010