Publication Date:
2017-11-17
Description:
Xylitol is produced by heterogeneous catalytic hydrogenation of xylose over Raney ® -nickel. Hydrogenation is followed by several purification steps, which makes the chemical production relatively complex and expensive. Our goal was to investigate the treatments (activated carbon, bio-purification) of corn stover hydrolysates and to hydrogenate xylose to xylitol. An activated carbon treatment was used for eliminating inhibitor compounds and increasing the efficiency of the bio-purification step. It was found that glucose can completely be eliminated from the hydrolysate. Hydrogenations of corn stover hydrolysate showed that high reaction temperature resulted in high sugar alcohol yields and selectivity. The flow rate, at a given temperature, had no significant effect on xylitol yield.
Print ISSN:
0930-7516
Electronic ISSN:
1521-4125
Topics:
Chemistry and Pharmacology
,
Process Engineering, Biotechnology, Nutrition Technology
Permalink