Abstract

A vertical combustor for refuse particle combustion is analyzed for waste energy recovery. A one-dimensional model is constructed that consists of three components of fuel particles, inert solid particles, and the gaseous mixture. The gaseous component is further divided into six chemical species that evolve in combustion at temperatures below about 1367K (2000°F). The solutions show that such com-bustors may be viable for U.S. refuse because of their high content of volatile matter. Combustion of the relatively small char, however, may not be cost-effective In the present combustor, where the fuel residence time is of the order of 2 s for the combustor height of 6-9 m.

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