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MERCURY REMOVING SYSTEM FOR EQUIPMENT FOR CARBON DIOXIDE RECOVERY FROM COMBUSTION EXHAUST GAS AND METHOD OF MERCURY REMOVING OPERATION FOR EQUIPMENT FOR CARBON DIOXIDE RECOVERY FROM COMBUSTION EXHAUST GAS
MERCURY REMOVING SYSTEM FOR EQUIPMENT FOR CARBON DIOXIDE RECOVERY FROM COMBUSTION EXHAUST GAS AND METHOD OF MERCURY REMOVING OPERATION FOR EQUIPMENT FOR CARBON DIOXIDE RECOVERY FROM COMBUSTION EXHAUST GAS
A mercury removing system for equipment for carbon dioxide recovery from combustion exhaust gas, which equipment includes a dehydrator (3) for removing water contents from the combustion exhaust gas having been emitted from a combustion exhaust gas generating source and, disposed downstream of the dehydrator, a compressor (4) for compressing the carbon dioxide contained in the combustion exhaust gas deprived of water contents and a chiller (5') for chilling the compressed carbon dioxide to thereby liquefy the same. The mercury removing system comprises multiple metallic mercury gas adsorptive columns (11,11') for removing by adsorption the metallic mercury contained in the combustion exhaust gas, disposed in parallel relationship either upstream of the dehydrator (3) or between the dehydrator (3) and the compressor (4).
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