Abstract
Mathematical equations governing the physical and chemical processes in grate combustion systems are described and a full-scale municipal solid waste incinerator was simulated. The effects of waste moisture content as well as preheated air temperature have been assessed. Combustion efficiency around 98% was obtained for moisture levels less than 30% while moisture over 35% resulted in poor combustion efficiency. Depending on the waste moisture content, the maximum gas temperature ranges from 1240C to 1510C and the maximum solid temperature inside the packed-bed from 980C to 1230C. The main reaction zone thickness ranges from 250 mm to 350 mm along the bed height.
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More From: Progress in Computational Fluid Dynamics, An International Journal
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