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公开(公告)号:US12017202B2
公开(公告)日:2024-06-25
申请号:US17533693
申请日:2021-11-23
Inventor: Jungkyu Choi , Kwan-Young Lee , Jinseong Kim , Eunhee Jang , Layoung Choi
CPC classification number: B01J20/186 , B01D53/02 , B01J20/28016 , B01J20/28085 , B01J20/3057 , B01J20/3078 , B01D2253/1085 , B01D2253/304 , B01J2220/42
Abstract: Disclosed are a hydrocarbon adsorption and desorption complex that reduces emission of hydrocarbon from vehicle exhaust gas and improves hydrothermal stability of a device, and a method for preparing the same. The hydrocarbon adsorption and desorption complex may have improved adsorption ability of the hydrocarbon as metal ions are bound to a gas adsorbing portion containing aluminum, and may have improved hydrothermal stability as a reinforcing portion made of silica is formed on a surface of the gas adsorbing portion.