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The production of levulinic acid and 5-hydroxymethylfurfural was studied using highly acidic Ion-exchange resins as catalysts and sucrose as a convenient soluble polysaccharide. Four commercial resins were compared at 100°C. Resin pore size had a major effect on selectivity. Ion-exchange resins are attractive for this process because of the selectivity possible by pore-size control and the reusable character of any solid catalyst. Higher temperature resins, however, are needed to take advantage of faster rates possible with modest temperature Increases.

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