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An automatic lab scale equipment for continuous HMF production by the dehydration of fructose with homogeneous catalysis in biphasic systems (water solution - MIBK) was designed, manufactured and tested. The dependencies of the HMF yield on the process parameters were studied. The feed rate of fructose varied from 50 to 100 g·h −1 , the extractant (MIBK) flow rate from 0.5 to 1.4 L·h −1  and the process temperature was maintained in the range from 50 to 87 °C. The maximum productivity of the automatic lab scale equipment 33.6 g·h −1  with a high HMF yield 48 % is achieved with the following process parameters - 87 °C, the fructose feed rate 100 g·h −1  and the extractant flow rate 1 L·h −1 . This automatic lab scale equipment may be prospectively used for the kilogram scale HMF synthesis.

Automatic Lab scale equipment for continuous HMF production in biphasic systems