Method and apparatus for handling waste material

Claim 1

A GAS DISPLACEMENT TYPE EJECTOR FOR HAANDLING BORNE WASTE MATERIALS WHILE AFFORDING AEROBIC TREATMENT OF THE WASTE MATERIAL AS AN INCIDENT TO THE EJECTION OF SUCH MATERIALS, COMPRISING A RECEIVER HAVING A FLUID INLET, A FLUID OUTLET DISPOSED ADJACENT THE LOWER LEVEL OF SAID RECEIVER, MEANS WITHIN SAID RECEIVER FOR INTRODUCING PRESSURE AIR INTO THE RECEIVER ADJACENT THE LEVEL OF SAID FLUID OUTLET TO EJECT THE LIQUID-BORNE WASTE MATERIAL THROUGH SAID FLUID OUTLET, MEANS OPERABLE TO VENT SAID RECEIVER TO PERMIT THE FLOW OF WASTE MATERIAKL THROUGH SAID FLUID INLET INTO SAID RECEIVER TO THEREBY FILL THE LATTER TO A PREDETERMINED UPPER LEVEL, AND ADDITIONAL VENT MEANS IN FLUID COMMUNICATIONS WITH THE INTERIOR OF SAID RECEIVER ABOVE SAID PREDETERMINED UPPER LEVEL TO PROVIDE CONTINUOUS VENTING OF SAID RECEIVER, SAID ADDITIONAL VENT MEANS COMPRISING A RESTRICTED ORIFICE ADAPTED TO AFFORD CONTROLLED ESCAPEMENT OF PRESSURE AIR INTRODUCED INTO SAID RECEIVER DURING THE EJECTION CYCLE AT A RATE SUBSTANTIALLY LOWER THAN THE RATE OF FLOW OF PRESSSURE AIR INTO SAID RECEIVER, THEREBY BLEEDING OFF A PORTION OF THE PRESSURE AIR FROM THE RECEIVER DURING THE EJECTION CYCLE AND CAUSING A GREATER AMOUNT OF PRESSURE AIR TO PASS THROUGH SAID WASTE MATERIALS THAN WOULD BE REQUIRED WITHOUT SAID ADDITIONAL VENT MEANS AND WITH THE SAME EJECTION PRESSURE AND CYCLE.