Cracking of Cellulose over Supported Metal Catalysts

Catalysis Surveys from Asia - Tập 11 - Trang 186-191 - 2007
Paresh L. Dhepe1,2,3, Atsushi Fukuoka1
1Catalysis Research Center, Hokkaido University, Sapporo, Japan
2CREST, Japan Science and Technology Agency, Kawaguchi, Japan
3Inorganic and Catalysis Division, National Chemical Laboratory, Pune, India

Tóm tắt

Cellulose is cracked over supported Pt or Ru catalysts under hydrogenolysis conditions in water to give sorbitol as a main product. Among the catalysts tested, Pt/γ-Al2O3 gave the highest yield and selectivity, and this catalyst was recyclable in repeated runs. It is proposed that cellulose is hydrolyzed by in situ generated acid sites to form glucose, and glucose is immediately reduced to sorbitol over the metal catalyst.

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