Issue 5, 2007
From the journal:

Journal of Analytical Atomic Spectrometry

Continuous analysis of elemental emissions from a biofuel gasifier

David J. Poole,*a   Vida Sharifi,a   Jim Swithenbank,a   Paul Kilgallon,b   Nigel Simms,b   John Oakeyb  and  Dirk Ardeltc  

* Corresponding authors

a SUWIC, University of Sheffield, Mappin Street, Sheffield, UK
E-mail: dpsheff03@yahoo.co.uk
Fax: +44 (0)114 222 7501
Tel: +44 (0)114 222 7520

b Cranfield University, Energy Technology Centre, Cranfield, Bedfordshire, UK

c SPECTRO Analytical Instruments GmbH & Co KG, Kleve, Germany

Abstract

In recent years there has been significant and high-profile interest in the use of biofuels as possible alternatives to fossil fuels, as part of a move to reduce carbon dioxide emissions. Although combustion accounts for most biofuel use, there has also been significant research into biofuel gasification. However, the behaviour of trace elements during gasification can be problematic, with environmental concerns over toxic components, and process problems caused by alkali metal corrosion and fouling. Experiments have been conducted to continuously monitor the concentration of various trace elements in the raw gasification gas from an experimental reactor, in an effort to determine which elements are volatilised, using ICP-OES. Results of initial tests indicate that the concentration of some elements in the gas phase are extremely high, far higher than in combustion processes, and therefore are of significant concern. Owing to to problems with tar formation in the gasification process, the analysis proved extremely challenging, and further development of the sampling and pre-treatment procedure would be required to obtain more accurate, reliable, and long-term continuous monitoring results.

Graphical abstract: Continuous analysis of elemental emissions from a biofuel gasifier

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Article information

DOI
https://doi.org/10.1039/B616798E
Article type
Paper
Submitted
17 Nov 2006
Accepted
29 Jan 2007
First published
22 Feb 2007

J. Anal. At. Spectrom., 2007,22, 532-539

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Continuous analysis of elemental emissions from a biofuel gasifier

D. J. Poole, V. Sharifi, J. Swithenbank, P. Kilgallon, N. Simms, J. Oakey and D. Ardelt, J. Anal. At. Spectrom., 2007, 22, 532 DOI: 10.1039/B616798E

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