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中南大学学报(英文版)

Journal of Central South University

Vol. 26    No. 11    November 2019

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Enhanced HMF yield from glucose with H-ZSM-5 catalyst in water–tetrahydrofuran/2-butanol/2-methyltetrahydrofuran biphasic systems
XU Si-quan(徐思泉), PAN Dong-hui(潘东辉), XIAO Guo-min(肖国民)

School of Chemistry and Chemical Engineering, Southeast University, Nanjing 211189, China

Abstract:With the aim of achieving a high 5-hydroxymethylfurfural (HMF) yield from glucose with H-ZSM-5 catalyst at low cost, three inexpensive biphasic reaction systems, H2O-tetrahydrofuran (THF), H2O-2-methyltetrahydrofuran (MeTHF) and H2O-2?butanol, were discovered and proved to be particularly effective in promoting the formation of HMF from glucose over H-ZSM-5 zeolite. In order to determine the optimal process conditions, the effects of various experimental variables, such as reaction temperature, reaction time, catalyst dosage, volume of organic solvent, as well as inorganic salt type on glucose conversion to HMF in three systems were investigated in detail. It was found that under optimal reaction conditions, H2O-THF, H2O-2?butanol and H2O-MeTHF allowed the glucose dehydration process to achieve HMF yields of up to 61%, 59%, and 50%, respectively. Moreover, in the three biphasic systems, the H-ZSM-5 catalyst was also demonstrated to maintain excellent stability. Thus, the catalytic approach proposed in this paper can be believed to have potential prospects for industrially efficient and low-cost production of HMF.

 

Key words: 5-hydroxymethylfurfural; H-ZSM-5 zeolite; glucose; biphasic systems

中南大学学报(自然科学版)
  ISSN 1672-7207
CN 43-1426/N
ZDXZAC
中南大学学报(英文版)
  ISSN 2095-2899
CN 43-1516/TB
JCSTFT
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