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Effect of Synthesis Methods on Synthesis of Ti-SiZSM-5 Molecular Sieve and Discussion on Synthesis Process
Release time:
2010-04-15
Dalian University of Technology Open Laboratory for Comprehensive Utilization of Carbon Resources Abstract: The effects of raw material composition, aging, ultrasonic oscillation treatment, addition of directing agent or seed crystal on the synthesis of Ti-SiZSM-5 molecular sieves were studied in a low-cost raw material hydrothermal synthesis system, and the results showed that n(SiO2)/n(TiO) was a wide and uniform Ti-SiZSM-48 at lower alkalinity; at higher basicity, n(SiO2)/n(TiO2) is easy to generate Ti-SiZSM-5 at 50-400. The gel must be aged to synthesize Ti-SiZSM-5 molecular sieves with high crystallinity, but when the gel is synthesized by ultrasonic oscillation,
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