C - Chemistry – Metallurgy – 02 – F
Patent
C - Chemistry, Metallurgy
02
F
362/17
C02F 3/22 (2006.01) C02F 3/02 (2006.01) C02F 3/12 (2006.01) C02F 3/30 (2006.01)
Patent
CA 1069227
UNITED STATES PATENT APPLICATION OF: Jack E. Prince, Franklin E. Terry and William H. Mullins FOR: AEROBIC TYPE SEWAGE DIGESTION SYSTEM ABSTRACT The present invention is a system for treating sewage waste commonly called sludge. An aerator shears the solid particles while simultaneously adding oxygen to the sludge. After being pumped through the aerator, the sludge exits into a large tank. The sludge in the tank is continually circulated, drawn from the bottom of the tank and pumped through the aerator. As additional sludge is periodically added, supernatant water is removed through an overflow line of a stilling well in the center of the tank. After a lengthy period of time, part of the sludge in the bottom of the tank will be withdrawn and moved to the drying beds. With some modifications, existing anaerobic systems may be changed to the present aerobic system for a much greater capacity. Entire collection and waste treatment plant facilities may be designed utilizing the aerators at various stages.
257680
Mullins William H.
Prince Jack E.
Terry Franklin E.
Mullins William H.
Prince Jack E.
Terry Franklin E.
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