Efficient hydrogenolysis of cellulose into sorbitol catalyzed by a bifunctional catalyst
作者： Wenwen Zhu , Hanmin Yang , Jizhong Chen , Chen Chen , Li Guo
DOI: 10.1039/C3GC41917G
关键词: Sorbitol 、 Hydrogenolysis 、 Sulfonic acid 、 Catalysis 、 Ruthenium 、 Brønsted–Lowry acid–base theory 、 Polymer chemistry 、 Chemistry 、 Bifunctional catalyst 、 Organic chemistry 、 Cellulose
摘要: A sulfonic acid-functionalized silica-supported ruthenium catalyst (Ru/SiO2–SO3H) was employed for the hydrogenolysis of cellulose in one pot neutral water medium. Ru/SiO2–SO3H is a bifunctional containing both Bronsted acidic site and metal (Ru). Compared with mechanical mixture acid (SiO2–SO3H) Ru (Ru/SiO2), showed much higher yield sorbitol, which could reach up to 61.2% when reaction performed 10 h at 150 °C. Through characterization by XPS pyridine-adsorbed FT-IR, existence interaction between groups nanoparticles observed. The sites adjacent position were important enhancing sorbitol. In addition, present can be reused five times only slight decrease sorbitol consecutive recycles.
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