Patent ID: 8617494

Claim:
A condenser, comprising: a column member having a lower end, an upper end and a wall connecting the lower end and upper end forming a central cavity; a first packed bed within the cavity above the lower end; at least a second packed bed within the cavity above the first packed bed; a first heat exchanger configured to receive condensate flow from the first packed bed; a second heat exchanger configured to receive condensate flow at least in part from the second packed bed; at least a first valve connected to a condensate flow of a packed bed; wherein the lower end of the column member is configured to receive flue gases via a gas inlet; wherein the upper end is configured to permit flue gases to exit the column member via a gas outlet; wherein the packed beds are configured to provide a flow of condensate in an opposite direction of a flue gas flow; wherein anti-corrosive reagents are injected into condensate flows via at least the first valve.