Gas and liquid contact apparatus

Claim 1

GAS SCRUBBING APPARATUS COMPRISING MEANS FORMING A CHAMBER, A DRUM LOCATED IN THE LOWER PORTION OF SAID CHAMBER AND HAVING AN OPEN END FOR RECEIVING GASES TO BE SCRUBBED, MEANS TO ROTATABLY MOUNT SAID DRUM FOR ROTAION ABOUT A HORIZONTAL AXIS, MEANS FOR ROTATING SAID DRUM ABOUT SAID AXIS AND IN A PREDETERMINED DIRECTION, LIQUID LEVEL CONTROL MEANS OPERABLE TO MAINTAIN A BODY OF LIQUID IN THE LOWER PORTION OF SAID CHAMBER AT A LEVEL SUFFICIENT TO CONTINUOUSLY CONTACT THE LOWER PORTION OF SAID DRUM DURING ROTATION THEREOF, GAS INLET MEANS COMMUNICATING WITH SAID CHAMBER AND ARRANGED TO DIRECT GASES TO BE SCRUBBED INTO SAID DRUM THROUGH SAID OPEN END OF THE DRUM, STATIONARY WALL MEANS IN SAID CHAMBER OF SUBSTANTIALLY CYLINDRICAL SHAPE CONCENTRIC WITH SAID DRUM AND SURROUNDING SAID DRUM IN CLOSELY SPACED RELATION WITH RESPECT TO THE DRUM AND EXTENDING THROUGHOUT THE MAJOR PORTION OF THE CIRCUMFERENCE OF THE DRUM TO DEFINE A SPACE BETWEEN THE DRUM AND STATIONARY WALL MEANS, SAID STATIONARY WALL MEANS HAVING OPENINGS THEREIN LOCATED ABOVE THE LEVEL OF THE LIQUID MAINTAINED IN THE LOWER PORTION OF SAID CHAMBER FOR THE PASSAGE OF GAS OUTWARD FROM THE SPACE BETWEEN THE DRUM AND STATIONARY WALL MEANS, SAID DRUM HAVING A PLURALITY OF OPENINGS THEREIN DISTRIBUTED THROUGHOUT THE SURFACE OF THE DRUM, SAID OPENINGS IN THE DRUM EACH HAVING ONE SIDE THEREOF DEFINED BY A PORTION OF SAID DRUM WHICH PROJECTS INWARDLY FROM THE INNER SURFACE OF THE DRUM AND IS INCLINED IN SAID PREDETERMINED DIRECTION OF ROTATION OF THE DRUM TO DIRECT GAS OUTWARD FROM THE INTERIOR OF THE DRUM THROUGH SAID OPENINGS AND INTO THE SPACE BETWEEN THE DRUM AND STATIONARY WALL MEANS WHEN THE DRUM IS ROTATED IN SAID PRETIONARY WALL MEANS WHEN THE DRUM IS ROTATED IN SAID PREDETERMINED DIRECTION, THE OPPOSITE SIDES OF EACH OF SAID OPENINGS IN THE DRUM BEING DEFINED BY A PORTION OF THE DRUM WHICH PROJECTS OUTWARDLY FROM THE OUTER SURFACE OF THE DRUM AND IS INCLINED IN A DIRECTION OPPOSITE TO THE PREDETERMINED DIRECTION OF ROTATION OF THE DRUM TO PROMOTE THE MOVEMENT OF GASES PASSING THROUGH SAID OPENING IN THE DRUM OUTWARD THROUGH THE SPACE BETWEEN THE DRUM AND STATIONARY WALL MEANS TO THE OPENINGS IN SAID STATIONARY WALL MEANS AND TO CARRY LIQUID IN CONTACT WITH SAID LOWER PORTION OF SAID DRUM UPWARDLY INTO SAID SPACE BETWEEN SAID DRUM AND SAID WALL MEANS TO SUBSTANTIALLY FILL SAID SPACE WITH A FLOWING BODY OF LIQUID THROUGH WHICH THE GASES PASS IN TRAVELLING FROM THE OPENINGS IN THE DRUM TO THE OPENINGS IN THE STATIONARY WALL MEANS WHEN SAID DRUM IS ROTATED, GAS OUTLET MEANS COMMUNICATING WITH SAID CHAMBER, SAID GAS OUTLET MEANS BEING SPACED FROM SAID STATIONARY WALL MEANS AND COMMUNICATING WITH THE OPENINGS IN SAID STATIONARY WALL MEANS FOR THE PASSAGE OF GAS THROUGH SAID CHAMBER FROM THE OPENINGS IN SAID STATIONARY WALL MEANS TO SAID GAS OUTLET MEANS.