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US 11,110,399 B2Granted
Process for the purification of biomass hydrolysate
AssigneeClariant International Ltd.
InventorsMichael Zavrel, Danielle Dennewald, Philip Hoffmann
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Abstract
The present invention is directed to a novel and advantageous process for the purification of biomass hydrolysate as well as the purified hydrolysate produced after the inventive process and the use of the purified hydrolysate as a fermentation medium.
Claims15
Process for the purification of biomass hydrolysate comprising the steps
- a) Providing a biomass hydrolysate, wherein the hydrolysate is prepared by adding at least one hydrolase enzyme to the biomass;
- b) Adjusting the temperature of the biomass hydrolysate to a temperature selected from the range of from 50 to 95° C.;
- c) Addition of at least one acid to the biomass hydrolysate;
- d) Solid-liquid separation of the biomass hydrolysate-acid mixture to obtain a solid phase and a liquid phase;
- e) Deionization of the liquid phase of the biomass hydrolysate-acid mixture after separation according to step d).
2 more elements
Dependencies are inferred from the claim text.