五配位铝强化硅铝固体酸的固体核磁共振研究

王子春,黄骏,姜怡娇

Solid-State NMR Spectroscopy Studies of Enhanced Acidity of Silica-Aluminas Based on Penta-Coordinated Aluminum Species

Zi-chun WANG,Jun HUANG,Yi-jiao JIANG

表3 ASAs及沸石催化葡萄糖脱水合成羟甲基糠醛（HMF）的反应性能

Table 3 Catalytic performance of ASAs and pertinent reference catalysts in the conversion of glucose to HMF

Temp/K Time/h Conversion/% Yield/% Ref. Fe-ZSM-5, Si/Al=22.8 468 2.5 90 33 [60] ASA, Si/Al=90/10 a 433 2 45 18.8 [8] SA/10, Si/Al=90/10 433 2 23 6.3 [8] SA/50, Si/Al=50/50 433 2 70 (68) b 38 (37) b [8]