Article Number 200208, December 2002

FLUIDIZED BED COMBUSTION AS A RISK-RELATED TECHNOLOGY
A SCOPE OF SOME POTENTIAL PROBLEMS
J. Y. Hristov

University of Chemical Technology and Metallurgy
Chemical Engineering Department
1756 Sofía
Bulgaria
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ABSTRACT:

This paper addresses the risk-related problems of fluidised bed combustion (FBC). The scope concerns the following areas:

• Fluidised bed combustion (incineration) as a risk-minimization technology for toxic and hazardous materials as well as for industrial and municipal wastes
• Hazard and relevant problems with various bulk materials during the preliminary treatment and storage in different handling facilities for fluidised bed combustion
• Operational problems of the process itself, such as sintering, fouling, erosion, corrosion, effects of fuel blend constituents on the emission, etc. and their effect on the equipment.
• Operational hazards and common start-up failures in fluidised bed combustion
• Fluidised bed emissions, both air-pollutions and ashes and the process performance effects on them mainly concerning the trace metal vitalisation and risk with the ash re-use.

Key Words: Fluidised bed, combustion, wastes, risk, hazards, inspectional analysis, process approach