Title：Spherical Alumina Support Shaping and PoreStructure Regulation Strategies

 Speaker：Prof. Yongjun Feng (College of Chemistry, Beijing University of Chemical Technology)

 Invited by：Prof. Jing Xiao

 Time：November 6, 2026 (Friday), 10:30 AM

 Venue：Room 105 of the Shaw Engineering Building

 Organizer：School of Chemistry and Chemical Engineering

 Abstract

 Catalysts are the “chips” of the petrochemical industry, and supported catalysts account for more than 70% of the total, in which the support plays a particularly critical role, with alumina being the most widely used. At present, highend alumina supports and related technologies are completely monopolized by Germany and the United States, posing a threat to China’s petrochemical industrial chain and energy security. A complete set of key technologies and equipment for the controllable preparation of spherical aluminabased support materials with a narrow particlesize distribution has been developed, including oilcolumn shaping, microfluidic injection shaping, continuous extrusion shaping and oil–ammonia column shaping, enabling controllable preparation of particles with diameters from 0.1 to 3.0 mm. The resulting aluminabased support materials feature uniform particles, good wear resistance and excellent pore structures, which facilitate the stable and highly dispersed loading of active components; the large pore volume favors the preparation of materials with high loading, achieving a maximum Pd loading of 55% (55 wt% Pd/Al₂O₃, for hydrogen isotope separation), the highest value reported in the literature to date.

 Biography

 Yongjun Feng is a professor and doctoral supervisor, selected into the National Major Talent Program and the Shandong Taishan Industry Leading Talent Program in 2022. He currently serves as Director of the Office of Talent Introduction at Beijing University of Chemical Technology, member of the International Association for the Study of Intercalation Compounds (ISIC), senior member of the Chinese Chemical Society, vice chairman of the Expert Committee of the China Renewable Resources Industry Technology Innovation Strategic Alliance, and member of the Anhui Provincial Advisory Committee on New Materials Industry Development Strategy. His research focuses on fundamental, appliedfundamental and engineering studies of intercalated structurally functional materials, porous supports and adsorbent materials, and nonnoblemetal electrocatalytic materials. He has undertaken more than 30 international, national and enterprisecommissioned projects, and has established eight installations at the hundredton scale or above. As first author or corresponding author, he has published more than 140 papers in mainstream international journals and filed more than 100 national invention patents, of which over 70 have been granted. He serves as coeditorinchief of Advanced Mineral Materials and as an editorial board member of Applied Clay Science, Fine Chemicals, and other journals. Supported by national and enterprise projects, a number of his achievements have been translated into practical applications.

 Announced by School of Chemistry and Chemical Engineering.