Flue gas scrubbing apparatus

Claim 1

A FLUE GAS SCRUBBING APPARATUS TO RECEIVE FLUE GAS FROM A COMBUSTION MEAN COMPRISING IN COMBINATION A THREATING CHAMBERS HAVING A GAS INLET CONDUIT WITH AN OPENING THEREIN TO ADMIT AIR AND THE LOWER PORTION OF SAID CHAMBER BEING ADAPTED TO BE FILLED WITH AN AQUEOUS SOLUTION TO A DESIRED LEVEL; A SERIES OF COMMUNICATING COMPARTMENTS WITHIN THE TREATING CHAMBER AND ARRANGED IN SERIES, THE FIRST OF SAID COMPARTMENTS BEING IN COMMUNICATION WITH THE GAS INLET CONDUIT; MEANS FOR SPRAYING THE INTERIOR OF THE SAID COMPARTMENTS USING THE AQUEOUS SOLUTION FILING THE LOWER PORTION OF THE HOUSING UNIT, A WATER PUMP POSITIONED WITHIN SAID TREATING CHAMBER AND ADAPTED TO FORCE SAID AQUEOUS SOLUTION THROUGH SAID SPRAY MEANS; AN EXIT CONDUIT COMMUNICATING AT ONE END WITH THE LAST OF THE COMPARTMENTS IN THE TREATING CHAMBER; A SUCTION PUMP COMMUNICATING WITH THE OTHER END OF THE SAID EXIT CONDUIT AND EMPLOYED FOR DRAWING THE FLUE GAS THROUGH THE TREATING CHAMBER; AND, AN EXHAUST PIPE IN COMMUNICATION WITH THE SUCTION PUMP AND ADAPTED TO DISCHARGE THE TREATED FLUE GAS FROM THE APPARATUS INCLUDING MEANS TO DIVERT A PORTION OF THE FLUE GAS FROM THE EXHAUST PIPE TO THE COMBUSTION MEANS FOR REBURNING THE FLUE GAS AND TO RECYCLE THE FLUE GAS TO THE TREATING CHAMBER.