Studies in transesterification of ethylene carbonate to dimethyl carbonate over Amberlyst A‐21 catalyst | Zendy

Dhuri Shekhar M | Zendy; Mahajani Vijaykumar V | Zendy

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Studies in transesterification of ethylene carbonate to dimethyl carbonate over Amberlyst A‐21 catalyst

Author(s) -

Dhuri Shekhar M,

Mahajani Vijaykumar V

Publication year - 2006

Publication title -

journal of chemical technology and biotechnology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.64

H-Index - 117

eISSN - 1097-4660

pISSN - 0268-2575

DOI - 10.1002/jctb.1358

Subject(s) - transesterification , dimethyl carbonate , ethylene carbonate , chemistry , catalysis , methanol , diethyl carbonate , carbonate , selectivity , organic chemistry , electrode , electrolyte

Transesterification of ethylene carbonate (EC) with methanol (MeOH) was studied in a slurry reactor using various homogeneous and heterogeneous, acidic as well as basic, catalysts. Among all catalysts studied, the weakly basic anion‐exchange resin Amberlyst A‐21 gave more than 95% selectivity towards dimethyl carbonate (based on EC converted). Using this Amberlyst A‐21 as a catalyst, the kinetics for the transesterification reaction was studied in the range of temperature from 363 to 393 K, varying catalyst loading from 11.24 to 44.97 kg m −3 and the molar ratio MeOH:EC being varied between 4:1 and 16:1. The initial rate data were analysed using a power law model to aid process design. Copyright © 2005 Society of Chemical Industry

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