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ABSTRACTOwing to the advantages of stabilization, resource
recovery and volume reduction, incineration technology is more
suitable for the congested areas, such as Taiwan. However, the
ash produced by the incineration of municipal solid wastes
contains significant amounts of heavy metals. Trace toxic metals
may escape from the incineration process in flue gas, in dry
collected ash, in wet scrubbed ash, or as an airborne aerosol.
So it is important and necessary to understand the behavior of
trace heavy metals in thPrevious theoretical study indicated
that the control conditions of water cooling system and spray
dryer system under incineration processes have significant
effect on the formation of heavy metal compounds. The formation
of chromium (Cr), lead (Pb) and cadmium (Cd) species under
various control conditions water cooling tower and spray dryer
reactor were investigated at present test. The subject of the
experiment is to understand the effects of water cooling system
and spray dryer system individually on the
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