Production of 5-hydroxymethylfurfural from corn stalk catalyzed by corn stalk-derived carbonaceous solid acid catalyst.
A carbonaceous solid acid was prepared by hydrothermal carbonization of corn stalk followed by sulfonation and was characterized by FT-IR, XRD, SEM and elemental analysis techniques. The as-prepared corn stalk-derived carbonaceous solid acid catalyst contained SO3H, COOH, and phenolic OH groups, and was used for the one-step conversion of intact corn stalk to 5-hydroxymethylfurfural (5-HMF) in the ionic liquid 1-butyl-3-methyl imidazolium chloride ([BMIM][Cl]), where a 5-HMF yield of 44.1% was achieved at 150 °C in 30 min reaction time. The catalytic system was applicable to initial corn stalk concentration of up to ca. 10 wt.% for the production of 5-HMF. The synthesized catalyst and the developed process of using corn stalk-derived carbon catalyst for corn stalk conversion provide a green and efficient strategy for crude biomass utilization.
['Yan|Lulu|L|', 'Liu|Nian|N|', 'Wang|Yu|Y|', 'Machida|Hiroshi|H|', 'Qi|Xinhua|X|']
D056804:Biofuels D002384:Catalysis D005662:Furaldehyde D008956:Models, Chemical D013696:Temperature D003313:Zea mays
5-Hydroxymethylfurfural Corn stalk Hydrothermal carbonization Ionic liquid Green chemistry