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Chemcial Industry and Engineering 2016, Vol. 33 Issue (2) :1-6    DOI: 10.13353/j.issn.1004.9533.20141021
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Catalytic Conversion of Cellulose over SBA-15 Supported Heteropolyacids
Lv Jie, Han Jinyu, Wang Hua, Xie Xianna, Zheng Dan
Key Laboratory for Green Chemical Technology of Ministry of Education, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China

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Abstract 

Bi-Functional catalysts with acidity and hydrogenation activity were prepared by loading heteropolyacids over SBA-15 through one-pot hydrothermal method and then supported Ru on HPA-SBA-15. The texture and properties of the Ru/HPA-SBA-15 were characterized by means of N2 physisorption, XRD, TEM, ICP, and NH3-TPD. The influences of reaction time and temperature on cellulose conversion were investigated. The results showed that a cellulose conversion of 55.2% and a sorbitol yield of 36.8% were obtained under the conditions of reaction time of 16 h, temperature of 190 ℃, and H2 pressure of 5 MPa. The recycle tests indicated that there was no significant loss of the catalytic activity after three times. It suggested that heteropolyacid supported over Ru/HPA-SBA-15 had good stability. The bi-functional catalyst prepared in this study has good catalytic activity and stability.

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Articles by authors
Lv Jie
Han Jinyu
Wang Hua
Xie Xianna
Zheng Dan
Keywordscellulose;   sorbitol;   heteropolyacid;   SBA-15     
Received 2014-03-07;
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Lv Jie, Han Jinyu, Wang Hua, Xie Xianna, Zheng Dan.Catalytic Conversion of Cellulose over SBA-15 Supported Heteropolyacids[J]  Chemcial Industry and Engineering, 2016,V33(2): 1-6
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