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Titre du Document
Process intensification of biodiesel production using a continuous oscillatory flow reactor
HARVEY Adam P. ; MACKLEY Malcolm R. ; SELIGER Thomas ; ...
Corporation(s) du ou des auteurs
United Engineering Foundation Inc. New York USA (Commanditaire); Heriot-Watt University Edinburgh GBR (Commanditaire)
Oscillatory flow reactors (OFRs) are a novel type of continuous reactor, consisting of tubes containing equally spaced orifice plate baffles. An oscillatory motion is superimposed upon the net flow of the process fluid, creating flow patterns conducive to efficient heat and mass transfer, whilst maintaining plug flow. Unlike conventional plug flow reactors, where a minimum Reynolds number must be maintained, the degree of mixing is independent of the net flow, allowing long residence times to be achieved in a reactor of greatly reduced length-to-diameter ratio. Many long residence time processes are currently performed in batch, as conventional designs of plug flow reactor prove to be impractical due to their high length-to-diameter ratios, which lead to problems such as high capital cost, large footprint, high pumping costs and, also control is difficult. The OFR allows these processes to be converted to continuous, thereby intensifying the process. The transesterification of various natural oils to form biodiesel is a long reaction, usually performed in batch. Conversion to continuous processing should improve the economics of the process, as the improved mixing should generate a better product (rendering the downstream separation processes easier), at lower residence time (reduction in reactor volume). These improvements can decrease the price of biodiesel, making it a more realistic competitor to petrodiesel. This paper shows that it is feasible to perform this reaction i
Type du document
Conférence : Process Innovation and Process Intensification (PI)2.International Conference, Edinburgh, GBR, 2002-09-08
ISSN : 0268-2575 CODEN : JCTBDC
Journal of chemical technology and biotechnology (1986) A. 2003, vol. 78, n° 2-3, pp. 338-341 [4 pages] [bibl. : 13 ref.]
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