Transformation of corncob into furfural by a bifunctional solid acid catalyst.

A transformation route was developed for the conversion of raw corncob into furfural by a Clbearing solid acid catalyst (HSCSOH) prepared by the hydrothermal carbonization and sulfonation of sucralose. The catalytic performances of HSCSOH in selected solvents were demonstrated and optimized, where a furfural yield of 90.8 mol% (20.