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2 Environmental impact associated with airborne pulverized coal fly ash
In recent years, it has become apparent that fine particulate materials can be harmful to human health. Limits on human exposure to such materials have accordingly been set. Pulverized fuel ash is made up of particles of various sizes, some of which are very fine. This report considers the problems associated with the airborne dispersal of pulverized fuel ash and therefore focuses particular attention on particle size distribution in pulverized fuel ash. The KEMA 3D Model® was used to determine the atmospheric concentrations of airborne pulverized fuel ash and the associated depositions. The calculations were made for two hypothetical scenarios, involving:- the temporary storage of pulverized fuel ash; and
- an accident leading to the release of a large quantity of pulverized fuel ash in a short space of time.
KEMA-report 50030086-KPS/MEC 00-6042.
External reviewer:
Dr P. Berghmans, scientist at VITO in Belgium(Flemish Institute for technology Research)
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