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To summarize, it's viewed that dry limestone which can be relatively unreactive with respect to untreated flue gas, is extremely reactive should the flue gas has been cooled and handled with water vapor to considerably complete saturation. Doing <a href="http://www.lightcrusher.com/solutions/coal-crushing.html">coal crushing</a>.This enhanced reactivity is of extended duration and diminishes only as a somewhat thick layer (1/16 inch) of reaction solutions is formed about the surface with the limestone. The duration of your enhanced reactivity is seen to improve as the water saturation temperature approaches the gasoline temperature since it flows through the bed. At considerably comprehensive saturation, the place at the very least some condensation is observed about the bed, the reactivity is enhanced to better than 90% elimination efficiency, with 100% efficiency attainable for low area velocities.
The function of water vapor in catalyzing the response isn't understood. Some surface reactivity is attainable devoid of adding extra water vapor, just by cooling common flue gas to about 140-180F. <a href="http://www.lightcrusher.com/solutions/stone-quarry-equipment.html">Stone quarry equipment</a>.Quite higher reactivity on account of subsurface reactions could be attained by adding additional water vapor which in turn cools the flue gasoline towards the favored temperature assortment (140-180F) through the course of action of evaporative cooling. It really is believed that the increased degree of saturation, attained by incorporating water vapor to a stage the place at the very least some condensation occurs within the bed, catalyzes the subsurface response along with the accompanying release of CO2, therefore accounting for that extended duration of your enhanced reactivity.
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