Decane Hydroisomerization Test Probing Catalytic Activity and Selectivity of Aluminum and Boron Substituted Extra-Large Pore UTL Zeolite

摘要

Extra-large pore germanosilicate zeolite with UTL structure was tested in the n-decane hydroisomeriza-tion/hydrocracking reaction. The product selectivity demonstrated UTL to be the most open zeolite material ever characterized with the decane test. Al- and B-containing samples were synthesized with high degree of crystaliinity. The incorporation of part of the heteroelements was confirmed with ~(27)Al and ~(11)B NMR spectroscopy. The catalytic activity and the structural stability of these samples was significantly lower compared to germanosilicate UTL and followed the sequence: UTL > Al-UTL > B-UTL.