Batch and Continuous-Flow Preparation of Biodiesel Derived from Butanol and Facilitated by Microwave Heating

Nicholas E. Leadbeater*†, T. Michael Barnard‡ and Lauren M. Stencel†
Department of Chemistry, University of Connecticut, 55 North Eagleville Road, Storrs, Connecticut 06269-3060, and CEM Corporation, 3100 Smith Farm Road, Matthews, North Carolina 28106
Energy Fuels, 2008, 22 (3), pp 2005–2008
DOI: 10.1021/ef700748t
Publication Date (Web): March 26, 2008
Copyright © 2008 American Chemical Society
* To whom correspondence should be addressed. E-mail: nicholas.leadbeater@uconn.edu., †

University of Connecticut.

, ‡

CEM Corporation.

Abstract

The batch and continuous-flow preparation of biodiesel derived from vegetable oil and 1-butanol using a commercially available scientific microwave apparatus is reported. The methodology allows for the reaction to be run under atmospheric conditions and, in continuous-flow mode, can be performed at flow rates up to 2.3 L/min using a 4 L reaction vessel. It can be utilized with new or used vegetable oil with 1-butanol and a 1:6 molar ratio of oil to alcohol. Sulfuric acid or potassium hydroxide can be used as the catalyst.

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History

  • Published In Issue May 21, 2008
  • Article ASAPMarch 26, 2008
  • Received: December 10, 2007
    Revised: February 06, 2008

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