Fluid handling – Self-proportioning or correlating systems – Self-controlled branched flow systems
Patent
1975-03-10
1977-03-22
Cohan, Alan
Fluid handling
Self-proportioning or correlating systems
Self-controlled branched flow systems
137567, 137571, 1375991, 166311, 210205, 417 5, E03F 500
Patent
active
040130878
ABSTRACT:
Liquid effluent from a sewage treatment plant is injected into a disposal well by gravity feed, and alternatively by pressurized feed when the effluent load becomes too great for the gravity feed to handle, or when the gravity feed is slowed by the presence of solids in the effluent. The disposal well is reverse purged when necessary to remove obstructing solids.
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patent: 3396102 (1968-08-01), Forrest
patent: 3592560 (1971-07-01), Mitchell
patent: 3706319 (1972-12-01), Neese et al.
patent: 3730884 (1973-05-01), Burns et al.
Cohan Alan
Hanna Enterprises, Inc.
Haskell Boris
Michalsky Gerald A.
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