“…In the last case, glucose is spent almost entirely on the formation of humins. Their structure appears to be comparable to that proposed in the paper 26 on Nicontaining synthetic zeolites, but in the experiments without the catalyst glucose-ring fragments are predominant in the humin structures with lower content of furan rings (Fig. 3).…”
Section: Glucose Transformationsupporting
confidence: 82%
“…The reaction temperature was 433 K and was chosen based on the results of previous studies. 26 Samples of liquid products for analysis were taken every hour. In the case of experiments without a catalyst, 23 g of 20 % glucose solution in DMSO was used.…”
A number of zeolite catalysts based on synthetic powder zeolites and natural Ukrainian clinoptilolite as well as mordenite-clinoptilolite zeolite rocks were synthesized. The activity and selectivity of the prepared samples were compared in glucose and fructose dehydration into 5-hydroxymethylfurfural in a dimethyl sulfoxide environment.
“…In the last case, glucose is spent almost entirely on the formation of humins. Their structure appears to be comparable to that proposed in the paper 26 on Nicontaining synthetic zeolites, but in the experiments without the catalyst glucose-ring fragments are predominant in the humin structures with lower content of furan rings (Fig. 3).…”
Section: Glucose Transformationsupporting
confidence: 82%
“…The reaction temperature was 433 K and was chosen based on the results of previous studies. 26 Samples of liquid products for analysis were taken every hour. In the case of experiments without a catalyst, 23 g of 20 % glucose solution in DMSO was used.…”
A number of zeolite catalysts based on synthetic powder zeolites and natural Ukrainian clinoptilolite as well as mordenite-clinoptilolite zeolite rocks were synthesized. The activity and selectivity of the prepared samples were compared in glucose and fructose dehydration into 5-hydroxymethylfurfural in a dimethyl sulfoxide environment.
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