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5-Hydroxymethylfurfural (HMF) is a furan compound synthesized by the Maillard reaction or by catalytic dehydration of fructose under acidic conditions. In terms of industrial applications, HMF is widely used to synthesize various chemicals such as monomers, fuels, additives, surfactants, and fungicides. HMF can also be converted into other high-value-added derivatives, which have significant value in material monomers, pharmaceutical intermediates, and fuels.
Solvent extraction is widely used for the separation and purification of HMF. Commonly used extractants for extracting HMF include MIBK, 2-butanol, ethyl acetate, 2-heptanone, THF, HFIP, etc. For example, using HFIP as an extractant, in a system of 0.1 M fructose, 6.5 M hydrochloric acid (used as a catalyst, phase catalyst), 100 g/L NaCl (used as a phase catalyst), 56-74 ° C, O/A = 1:1-3:1, the yield of HMF can reach 70-89%.
Zhengzhou Tiei Extraction CWL-M centrifugal extractor occupies a small area, has low equipment investment, good batch stability, flexible product process, and is very competitive. The extraction technology has the advantages of simple operation, high separation efficiency, environmental protection and economy in the production of HMF. It can not only increase the output of HMF, but also realize the industrial large-scale production of HMF.
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