Efficient One-Pot Production of Biofuel 5-Ethoxymethylfurfural from Corn Stover: Optimization and Kinetics
2019
Chen, Binglin | Xu, Guizhuan | Chang, Chun | Zheng, Zhangbin | Wang, Dongxiang | Zhang, Shaohao | Li, Kai | Zou, Caihong
The one-pot production of a promising biofuel, 5-ethoxymethylfurfural (EMF) from corn stover with mixed acid as the catalyst, was investigated and optimized by using the response surface methodology. Catalyzed by the mixed acids comprised of 0.1% H₂SO₄ and 1.0% zeolite USY, a high EMF yield of 23.9% at 210 °C and 125 min can be obtained from corn stover. Meanwhile, the catalytic activity of the zeolite USY had no obvious loss after five recycles. On the basis of the putative reaction pathway, the kinetics modeling for the EMF production directly from corn stover was developed, which coincided with the first-order reaction model. This study provides a promising strategy for EMF preparation from corn stover.
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