公开(公告)号：US20250033026A1

公开(公告)日：2025-01-30

申请号：US18784261

申请日：2024-07-25

Applicant: EXXONMOBIL TECHNOLOGY AND ENGINEERING COMPANY

Inventor： Scott WEIGEL ,  Wesley SATTLER ,  Allen BURTON ,  Keith HAJKOWSKI ,  Ryan DUGAN ,  Aaron PETERS

IPC: B01J20/26 ,  B01J20/32

Abstract: Amorphous silica-alumina support materials are provided that can serve as supports for polyamines. The silica-alumina support materials have a combination of properties that unexpectedly allow supported polyamines to retain an increased or maximized amount of CO2 sorption capacity after incorporation of substantial amounts of the polyamine on the support material. This combination of properties can include having a high pore volume, a high ratio of mesopore volume to micropore volume, and a sufficiently high acidity. The ability to allow supported amine sorbents to retain additional CO2 sorption capacity is unexpected. Additionally, the relationship between having sufficiently high acidity and providing improved sorption capacity for a supported amine material is unexpected.