Patent ID: 8173016

Claim:
A gas and alkaline species removal apparatus comprising: a) a vessel comprising an inlet and an outlet; b) a plurality of partitions between the inlet and the outlet sequentially dividing the vessel into at least a first gasification chamber and a second gasification chamber, each adjacent chamber fluidly communicating with one another, each chamber having a vapor space, in the absence of communication between the vapor spaces of adjacent chambers; c) a gas feed in at least the first gasification chamber, each gas feed having a flow control device; d) an acid feed tube in each gasification chamber, each acid feed tube having a flow control device; e) an alkali feed tube in at least a last gasification chamber; f) a first gas and acid ingesting and second gas displacing mechanism in each gasification chamber; and g) a gas outlet in each chamber, each gas outlet having a flow control device.