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Corn stalk conversion into 5-hydroxymethylfurfural by modified biochar catalysis in a multi-functional solvent
- Liu, Le, Yang, Xue, Hou, Qidong, Zhang, Shiqiu, Ju, Meiting
- Journal of cleaner production 2018 v.187 pp. 380-389
- biochar, catalytic activity, corn stover, hydroxymethylfurfural, ions, isopropyl alcohol, magnesium, raw materials, solvents, tin
- A cleaner method for 5-hydroxymethylfurfural production was proposed, using corn stalk as the raw material. Corn stalk conversion was accelerated by magnesium and tin ion-loaded biochar catalysis in a multi-functional solvent. An ionic liquid-organic solvent containing 1-allyl-3-methylimidazolium chloride and isopropanol was found to be capable of corn stalk conversion to 5-hydroxymethylfurfural. Based on this biphasic system, the modified biochar was used to improve 5-hydroxymethylfurfural production. The distributed magnesium and tin ions degraded and further converted the corn stalk. The maximum 5-hydroxymethylfurfural yield of 63.57% was obtained at a corn stalk concentration of 20%.