Patent ID: 7993615

Claim:
A method for dehumidifying flue gas from a flue gas generating process, comprising: supplying the flue gas from the flue gas generating process to a wet flue gas processor having a lower end from which liquid in the wet flue gas processor is supplied to an upper end of the wet flue gas processor for spraying liquid onto flue gas in the wet flue gas processor; providing a wet cooling tower; supplying water from the cooling tower to a heat exchanger in the liquid in the lower end of the wet flue gas processor for cooling the liquid in the lower end of the wet flue gas processor to condense water from the flue gas into the liquid in the wet flue gas processor; returning the water from the heat exchanger to the cooling tower for cooling the water in the cooling tower before it is returned to the wet flue gas processor; and supplying liquid including with the condensed water from the wet flue gas processor as make-up water to the cooling tower.