MESOPORE GENERATION IN ZSM-5 ZEOLITES AND THEIR EFFECTS ON CONVERSION OF ETHANOL TO OLEFINS

作者：Alves Ingryd Carvalho; Pacheco de Mattos do Nascimento Tamara Lucia; Veloso Claudia de Oliveira; Zanon Zotin Fatima Maria; Henriques Cristiane Assumpcao^*

来源：Quimica Nova, 2012, 35(8): 1554-U82.

• ethanol
• mesopores generation
• ZSM-5 zeolite

MESOPORE GENERATION IN ZSM-5 ZEOLITES AND THEIR EFFECTS ON CONVERSION OF ETHANOL TO OLEFINS. Developing mesoporosity in HZSM-5 zeolites is an alternative for improving their catalytic performance on chemical reactions. In this work, alkaline and thermal treatments were used to produce mesoporosity. These treatments increased mesoporous area and volume. They also influenced the acid properties of the samples. Concerning catalytic performance, treatments modified reaction product distribution. Whereas alkaline treatment favored formation of olefins and increased propene ratio in the beginning of the reaction, thermal treatment resulted in formation of only ethylene due to the low acidity of the sample.

• 出版日期2012