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2000
Volume 14, Issue 4
  • ISSN: 1570-1794
  • E-ISSN: 1875-6271

Abstract

Background: The production of 5-hydroxymethylfurfural (5-HMF) from biomass provides an alternative pathway for many commercial chemicals and polymers particularly for countries with high insolation such as sub-Saharan Africa. Objective: The goal is continuous or semi-continuous dehydration of glucose and fructose to 5-HMF over a reusable castalyst in a process which is commmercial viable. Method: We deploy a separable and resuable catalyst, a low volatility solvent and reactive vacuum distillation. Results: Using a sulfated zirconia (SZ) catalyst in 1-butyl-3-methylimidazolium chloride [BMIM]Cl ionic liquid as solvent, we are able to separate the product by reactive vacuum distillation and obtain yields for 5-HMF of 82% and 65% at a 5 g experimental scale using fructose and glucose as substrates in a 2 h reaction time at 180 oC. The ionic liquid and SZ exhibited high activity when recycled for five successive trials. Conclusion: The low volatility solvent and solid catalyst allow for reactive vacuum distillation taking the sequence of steps from biomass such as Cassava to 5-HMF closer to commercial viability.

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/content/journals/cos/10.2174/1570179414666161115155958
2017-06-01
2025-06-12
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/content/journals/cos/10.2174/1570179414666161115155958
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  • Article Type:
    Research Article
Keyword(s): 5-hydroxymethyl-furfural (5-HMF); cassava; catalysis; ionic liquids
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