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IJC-A Vol.49A(09) [September 2010] >

Title: Transesterification of propylene carbonate with methanol using Mg-Al-CO3 hydrotalcite as solid base catalyst
Authors: Murugan, C
Bajaj, H C
Keywords: Catalysts
Issue Date: Sep-2010
Publisher: CSIR
IPC CodeInt. Cl.9 B01J21/02; B01J21/10; B01J27/232; C01F5/00; C01F7/00; C07B41/14
Abstract: The catalytic activity of synthetic hydrotalcites of varying Mg/Al molar ratio from 2 to 5 has been investigated for the transesterification of propylene carbonate with methanol. The hydrotalcite with Mg/Al molar ratio of 5 at different calcination temperature has been characterized using FT-IR, P-XRD and surface area analyses. Under optimized conditions, the catalyst with Mg/Al molar ratio 5 shows highest propylene carbonate conversion (72 %) with 97 % dimethyl carbonate selectivity. The catalyst shows the highest TON (280 mmol DMC/gcat) ever reported with heterogeneous catalysts. A plausible reaction mechanism has been proposed based on the results obtained.
Page(s): 1182-1188
CC License:  CC Attribution-Noncommercial-No Derivative Works 2.5 India
ISSN: 0975-0975(Online); 0376-4710(Print)
Source:IJC-A Vol.49A(09) [September 2010]

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