Characterization of ZSM-5 during Conversion of Glucose to Levulinic Acid

Abstract:

The effects of catalyst amount on the yields of levulinic and hydroxymethyl furfural were investigated during conversion of glucose to levulinic acid catalyzed by ZSM-5. XRD and XPS were used to analyse the characteristics of ZSM-5 before reaction and after reaction. The results showed that: ZSM-5 exhibited good catalytic activity in the reaction of hydrolysis of glucose to produce levulinic acid. The characteristic peak of ZSM-5 molecular sieve did not change after reaction compared to that of before reaction. The relative crystallinity of ZSM-5 decreased after reaction, which caused the catalytic activity decline. The surface O, Si and Al content of ZSM-5 decreased greatly. The increase of element C was the main reason of inactivation of catalyst.

• Periodical: Applied Mechanics and Materials (Volumes 260-261)
• Pages: 1206-1209
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.260-261.1206
• Online since: December 2012
• Authors: Ying Liu, Lu Lin, Xiao Yu Sui, Jun Ping Zhuang, Chun Sheng Pang
• Keywords: Characterization, Glucose, Levulinic Acid, ZSM-5

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