公开(公告)号：US20220161226A1

公开(公告)日：2022-05-26

申请号：US17533597

申请日：2021-11-23

Applicant: Korea University Research and Business Foundation

Inventor： Jungkyu CHOI ,  Kwan-Young LEE ,  Jinseong KIM ,  Eunhee JANG ,  Hwiyoon NOH

IPC: B01J20/18 ,  F01N3/08 ,  F01N3/10 ,  B01J23/78

Abstract: Disclosed are a hydrocarbon adsorption and desorption complex showing hydrocarbon adsorption and oxidation performance by controlling the cation ratio in zeolite, and a preparation method therefor. The hydrocarbon adsorption and desorption complex controls a cation ratio to exhibit the excellent hydrocarbon adsorption ability and oxidation performance even at a temperature lower than the catalyst activation temperature, and increases hydrothermal stability of the hydrocarbon adsorption and desorption complex through hydrothermal treatment to exhibit the excellent hydrocarbon adsorption and desorption performance even in a situation where water is present at a high temperature.