LIQUID PHASE SEPARATION OF 2G SUGARS BY ADSORPTION ON A FAU ZEOLITE HAVING A SI/AL ATOMIC RATIO GREATER THAN 1.5
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United States of America Patent
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Issued Date -
Aug 4, 2022
app pub date -
Jun 11, 2020
filing date -
Jun 28, 2019
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Abstract
The invention relates to a process for the liquid-phase separation of glucose from a mixture of C5 and C6 sugars comprising at least xylose and glucose, by adsorption of glucose on a zeolitic adsorbent based on FAU-type zeolite crystals having an Si/Al atomic ratio strictly greater than 1.5 comprising barium, wherein:
- said mixture is brought into contact with said adsorbent, by liquid chromatography, to obtain a xylose-enriched liquid phase and a glucose-enriched adsorbed phase;on the one hand, said xylose-enriched liquid phase is recovered and said phase adsorbed on said adsorbent is desorbed by means of a desorption solvent in order to recover the glucose on the other hand.
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