公开(公告)号：US12214320B2

公开(公告)日：2025-02-04

申请号：US17763628

申请日：2020-09-24

Applicant: KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATION

Inventor： Jungkyu Choi ,  Kwan-Young Lee ,  Sungwon Hong

IPC: B01D71/02 ,  B01D67/00 ,  B01D69/02 ,  B01D69/10

Abstract: The present invention relates to a separator membrane having a hierarchical structure, a production method therefor and a xylene separation method using same, and to: a separator membrane having a hierarchical structure comprising mesopores, the separator membrane having mesopores introduced inside a microporous zeolite separator membrane, thereby being thin, having less defects and exhibiting high xylene permeation and separation performance; a production method therefor; and a xylene separation method using same.