The effect of solvent polarity on autocatalytic furfural production confirmed by multivariate statistical analysis
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2019-10
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Abstract
Autocatalytic dehydration of xylose to furfural was studied in pure aqueous and monophasic organic/water mixtures to determine the effect reaction media and conditions have on conversion and yield. This study identified that the severity (Ro) of the reaction and polarity, as determined by the Hansen Solubility Parameter, δP, strongly correlate with xylose conversion and furfural yield. Increasing the Ro and δP increased both conversion and yield in pure aqueous and organic/water mixtures of sulfolane, γ‐butyrolactone, γ‐valerolactone, γ‐hexalactone, and tetrahydrofuran. Additionally, it was found that at a specified Ro and δP, similar conversions and yields were achieved using different combinations of time, temperature, and solvent mixture. Using principal component analysis and projection to latent structures, a semi‐empirical model was developed that provided estimates of xylose conversion and furfural yield over a range of experimental Ro and δP values.
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Romo, Joelle E., Kyle C. Miller, Tara L. Sundsted, Adam L. Job, Karlene A. Hoo, and Stephanie G. Wettstein. “The Effect of Solvent Polarity on Autocatalytic Furfural Production Confirmed by Multivariate Statistical Analysis.” ChemCatChem 11, no. 19 (September 4, 2019): 4715–4719. doi:10.1002/cctc.201900969.