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Reducing the Cost of Production of Bimetallic Aluminium Catalysts for the Synthesis of Cyclic Carbonates

Lookup NU author(s): Professor Michael North, Dr Carl Young

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Abstract

Bimetallic aluminium complexes of general formula [(salen)Al]2O or [(acen)Al]2O catalyse the formation of cyclic carbonates from carbon dioxide and terminal epoxides under exceptionally mild reaction conditions. To improve the potential for industrial scale application of these catalysts, the cost of their production has been evaluated and reduced significantly by optimization of the synthesis, including replacement of the most expensive chemicals by less expensive alternatives. The largest cost saving was associated with the formation of aluminium triethoxide in situ, which reduced the cost of the chemicals need for production of the catalysts by 4987?%. Further savings were made by avoiding the use of tetrabutylammonium bromide and acetonitrile, resulting in overall cost savings of 6893?%.

Publication metadata

Author(s): North M, Young C

Publication type: Article

Publication status: Published

Journal: ChemSusChem

Year: 2011

Volume: 4

Issue: 11

Pages: 1685-1693

Print publication date: 02/11/2011

ISSN (print): 1864-5631

ISSN (electronic): 1864-564X

Publisher: Wiley - V C H Verlag GmbH & Co. KGaA

URL: http://dx.doi.org/10.1002/cssc.201100239

DOI: 10.1002/cssc.201100239

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