2002•Journal of the Japan Institute of EnergyOpen access

A Model of SO2 Removal by Single Limestone Particle under Pressurized Fluidized Bed Combustion Conditions with Solid Attrition.

Tadaaki Shimizu, Mirko Peglow, Kazuaki Yamagiwa, Masato Tanaka

Abstract

A mathematical model of SO2 capture by single limestone particle under pressurized fluidized bed combustion conditions was proposed. In the present model, particle attrition was taken into consideration. Effect attrition mode, i.e. continuous attrition or intermittent attrition, on overall reaction rate, overall reaction order with respect to SO2 concentration, and maximum utilization of solid were evaluated. Attrition mode had a great influence on sulfur capture behavior even if the average attrition rate was the same. Attrition mode was found to be very important to make a model of SO2 capture in pressurized fluidized bed

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Key concepts: Attrition, Fluidized bed combustion, Fluidized bed, Combustion, Particle (ecology), Particle size, Waste management, Materials science