Regeneration of surface acid sites via mild oxidation on dehydration catalysts

Abstract

This work reports novel experimental evidence for the use of mild oxidation conditions to remove humin deposits on active xylose dehydration catalysts that showed deactivation. The catalytic regeneration experiments carried out at 70 °C using iron precursors as catalysts and H₂O₂ as an oxidant show that the catalysts achieve 95% acid site regeneration using the Fenton chemistry.