Abstract 1. A SYSTEM FOR TREATING WASTE LIQUID CONTAINING SETTLEABLE SOLIDS AND B.O.D. COMPRISING, AN OXIDATION DITCH FOR CONFINING AND RETAINING THE WASTE LIQUID AND DEFINING A CONTINUOUS, SUBSTANTIALLY CLOSED FLOW PATH THROUGH WHICH THE CONFINED LIQUID IS MOVED AND PROVIDING FOR A LIQUID DEPTH OF AT LEAST ABOUT 10 FEET, A PLURALITY OF EJECTORS FOR AERATING THE WASTE LIQUID IN THE DITCH TO REDUCE THE B.O.D THEREOF AND FOR SIMULTANEOUSLY MOVING THE WASTE LIQUID THROUGH THE FLOW PATH, THE EJECTORS BEING CONSTRUCTED AND ARRANGED SO THAT THEY ARE SOLELY CAPABLE OF CIRCULATING THE WASTE LIQUID THROUGHOUT THE DITCH AT A VELOCITY OF AT LEAST 0.3 FOOT PER SECOND TO MAINTAIN THE SETTLEABLE SOLIDS IN SUSPENSION, SAID EJECTORS EACH COMPRISING A HOUSING HAVING A WASTE LIQUID INLET FOR RECEIVING A STREAM OF PRESSURIZED WASTE LIQUID, A HIGH VELOCITY WASTE LIQUID NOZZLE IN COMMUNICATION WITH SAID WASTE LIQUID INLET, AN AIR INLET FOR RECEIVING AIR, A MIXING CHAMBER IN COMMUNICATION WITH SAID WASTE LIQUID NOZZLE AND SAID AIR INLET AND A DISCHARGE OUTLET FOR DISCHARGING A HIGH VELOCITY WASTE LIQUID-AIR JET, SAID EJECTORS BEING ARRANGED TO DISCHARGE THE WASTE LIQUID-JETS AT LEAST ABOUT 9 FEET BELOW THE SURFACE OF THE WASTE LIQUID IN THE OXIDATION DITCH AND IN THE DIRECTION OF MOVEMENT THEREOF. D R A W I N G
A SYSTEM FOR TREATING WASTE LIQUID CONTAINING SETTLEABLE SOLIDS AND B.O.D. COMPRISING, AN OXIDATION DITCH FOR CONFINING AND RETAINING THE WASTE LIQUID AND DEFINING A CONTINUOUS, SUBSTANTIALLY CLOSED FLOW PATH THROUGH WHICH THE CONFINED LIQUID IS MOVED AND PROVIDING FOR A LIQUID DEPTH OF AT LEAST ABOUT 10 FEET, A PLURALITY OF EJECTORS FOR AERATING THE WASTE LIQUID IN THE DITCH TO REDUCE THE B.O.D THEREOF AND FOR SIMULTANEOUSLY MOVING THE WASTE LIQUID THROUGH THE FLOW PATH, THE EJECTORS BEING CONSTRUCTED AND ARRANGED SO THAT THEY ARE SOLELY CAPABLE OF CIRCULATING THE WASTE LIQUID THROUGHOUT THE DITCH AT A VELOCITY OF AT LEAST 0.3 FOOT PER SECOND TO MAINTAIN THE SETTLEABLE SOLIDS IN SUSPENSION, SAID EJECTORS EACH COMPRISING A HOUSING HAVING A WASTE LIQUID INLET FOR RECEIVING A STREAM OF PRESSURIZED WASTE LIQUID, A HIGH VELOCITY WASTE LIQUID NOZZLE IN COMMUNICATION WITH SAID WASTE LIQUID INLET, AN AIR INLET FOR RECEIVING AIR, A MIXING CHAMBER IN COMMUNICATION WITH SAID WASTE LIQUID NOZZLE AND SAID AIR INLET AND A DISCHARGE OUTLET FOR DISCHARGING A HIGH VELOCITY WASTE LIQUID-AIR JET, SAID EJECTORS BEING ARRANGED TO DISCHARGE THE WASTE LIQUID-JETS AT LEAST ABOUT 9 FEET BELOW THE SURFACE OF THE WASTE LIQUID IN THE OXIDATION DITCH AND IN THE DIRECTION OF MOVEMENT THEREOF.
Claim 2
Independent Claim
210 words
A SYSTEM FOR TREATING WASTE LIQUID CONTAINING SETTLEABLE SOLIDS AND B.O.D. COMPRISING, AN OXIDATION DITCH FOR CONFINING AND RETAINING THE WASTE LIQUID AND DEFINING A CONTINUOUS, SUBSTANTIALLY CLOSED FLOW PATH THROUGH WHICH THE CONFINED LIQUID IS MOVED AND PROVIDING FOR A LIQUID DEPTH OF AT LEAST ABOUT 10 FEET, A PLURALITY OF EJECTORS FOR AERATING THE WASTE LIQUID IN THE DITCH TO REDUCE THE B.O.D THEREOF AND FOR SIMULTANEOUSLY MOVING THE WASTE LIQUID THROUGH THE FLOW PATH, THE EJECTORS BEING CONSTRUCTED AND ARRANGED SO THAT THEY ARE SOLELY CAPABLE OF CIRCULATING THE WASTE LIQUID THROUGHOUT THE DITCH AT A VELOCITY OF AT LEAST 0.3 FOOT PER SECOND TO MAINTAIN THE SETTLEABLE SOLIDS IN SUSPENSION, SAID EJECTORS EACH COMPRISING A HOUSING HAVING A WASTE LIQUID INLET FOR RECEIVING A STREAM OF PRESSURIZED WASTE LIQUID, A HIGH VELOCITY WASTE LIQUID NOZZLE IN COMMUNICATION WITH SAID WASTE LIQUID INLET, AN AIR INLET FOR RECEIVING AIR, A MIXING CHAMBER IN COMMUNICATION WITH SAID WASTE LIQUID NOZZLE AND SAID AIR INLET AND A DISCHARGE OUTLET FOR DISCHARGING A HIGH VELOCITY WASTE LIQUID-AIR JET, SAID EJECTORS BEING ARRANGED TO DISCHARGE THE WASTE LIQUID-JETS AT LEAST ABOUT 9 FEET BELOW THE SURFACE OF THE WASTE LIQUID IN THE OXIDATION DITCH AND IN THE DIRECTION OF MOVEMENT THEREOF.