Lime hydrating plant and process of lime hydrating as well as flue gas desulfurization plant with such a lime hydrating plant and process of flue gas desulfurization
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United States of America Patent
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Apr 17, 1990
Grant Date -
N/A
app pub date -
Jun 30, 1988
filing date -
Jul 1, 1987
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A lime hydrating plant is provided with an external cooler 16 in which the rawer solids portion which is recirculated into a return flow fluidizer 2 (hydrater) is cooled outside the hydrater. This means that less water has to be atomized into the return flow fluidizer 2 than by known plants in order to keep the adequate temperature essential for the hydrating process. Thus dew point decrease may be avoided and a highly reactive hydrated lime may be produced.
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