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Interesting engineering news and general interest to get you through the week.

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New mechanism to produce energy from biomass
Clipped to the Drawing Board by Tony Elmasri  
Scientists from the Carlos III University of Madrid (UC3M) have developed a system that can improve the efficiency of the conversion process of biomass to fuel gas that will contribute to the production of energy in a more sustainable manner.

One of the challenges that chemical engineers face is placing solid materials in contact with gases to generate certain reactions. One of the options is to use a fluidised bed, consisting of a vertical cylinder with a perforated plate inside where solid particles are introduced using pressurised air.

This way, the solid particles are suspended, and behave much like boiling water. Solids behaving like a liquid depend on the speed of the air stream, making it key to achieving the desired behaviour. With insufficient air, the particles don’t move, but with too much the opposite happens, and they are carried away by the air stream.
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Powered by JoomlaCommentCopyright (C) 2006 Frantisek Hliva. All rights reserved.Homepage: http://cavo.co.nr/
Wednesday 17 September, 2008 03:29 AM
 
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"A good scientist is a person with original ideas. A good engineer is a person who makes a design that works with as few original ideas as possible" - Freeman Dyson