活性炭负载杂多酸催化合成没食子酸甲酯的研究

›› 2010, Vol. 30 ›› Issue (2): 99-102.

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Study on Synthesis of Methyl Gallate Catalyzed by Heteropolyacid-loaded Activated Carbon

HUANG Li, XIE Hui, TAO Bo, ZHANG Sai-nan

Institute of Chemical Engineering, Nanjing University of Technology, Nanjing 210009, China

Received:2009-05-22 Revised:1900-01-01 Online:2010-04-30 Published:2010-04-30

Abstract

Abstract: Methyl gallate was synthesized using the catalyst of H₇PW₁₂O₄₂·4H₂O (PW₁₂) heteropolyacid supported by activated carbon(AC). The characteristics of the catalyst was investigated in detail including XRD analysis, N₂ adsorption and NH₃-TPD. The effects of catalyst on reaction conditions were studied. The results showed that under following conditions: gallic acid 0.52mol, methanol 0.4mol, loading amount of PW₁₂ on AC 30%, reaction time 4h and catalyst dosage 5%, the yield of MG could reach 90.1%. The catalyst had a high catalytic activity, could be recovered easily and used repeatedly.

Key words: activated carbon, PW₁₂ heteropolyacid, catalyst, methyl gallate

CLC Number:

TQ424
TQ94

HUANG Li;XIE Hui;TAO Bo;ZHANG Sai-nan. Study on Synthesis of Methyl Gallate Catalyzed by Heteropolyacid-loaded Activated Carbon[J]. , 2010, 30(2): 99-102.

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Study on Synthesis of Methyl Gallate Catalyzed by Heteropolyacid-loaded Activated Carbon

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