Biomass-derived sugars are a promising source of high-value chemicals because of their low cost, availability, and renewability. Catalytic hydrogenation of fructose and glucose into hexitols, including sorbitol and mannitol is of great industrial importance due to hexitols application in the food, medical, chemical, and petroleum industries. For this purpose, heterogeneous catalysts are preferred owing to their high efficiency, easy separation, and reusability. In this review article, the hydrogenation performance of both sugars into hexitols was discussed and analyzed under various reaction conditions. The catalyst stability and hydrogenation kinetics are also reviewed. Moreover, important challenges and promising routes are suggested for the future development of the heterogeneous catalytic hydrogenation of sugars to hexitols.

生物质糖由于其低成本，高可用性和可更新性而成为高价值化学品的有希望的来源。果糖和葡萄糖催化加氢为己糖醇（包括山梨糖醇和甘露糖醇）具有重要的工业重要性，因为己糖醇在食品，医疗，化学和石油工业中的应用。为此目的，由于其高效，易于分离和可重复使用性，优选非均相催化剂。在这篇综述文章中，讨论并分析了两种糖在各种反应条件下的氢化性能。还综述了催化剂的稳定性和氢化动力学。此外，对于糖的非均相催化加氢为己糖醇的未来发展，提出了重要的挑战和有希望的途径。