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Proceedings of Symposium on Energy Engineering in the 21<sup>st</sup> Century (SEE2000) Volume I-IV

ISSN:
1-56700-132-7 (Print)

THE SENSITIVITY OF PRESSURIZED FLUIDIZED BED COMBUSTION OF CHAR TO IN-BED PROCESSES AND THEIR PARAMETERS

Yongbin Cui
CRC for Black Coal Utilization School of Chemical Engineering and Industrial Chemistry University of New South Wales Sydney2052, Australia

John F. Stubington
CRC for Black Coal Utilization School of Chemical Engineering and Industrial Chemistry University of New South Wales Sydney2052, Australia

Abstract

A mathematical model of our batch-fed PFBC was developed incorporating the processes of char oxidation and secondary fragmentation during char combustion, but assuming that the loss of carbon by elutriation was negligible compared with the carbon consumption by oxidation. A sensitivity analysis was carried out to determine the important parameters in the model prediction of carbon loading.