Liquid purification or separation – Structural installation – Geographic
Patent
1974-08-05
1976-04-20
Hart, Charles N.
Liquid purification or separation
Structural installation
Geographic
210195R, 210197, 210202, 210205, 210532S, C02C 108
Patent
active
039518043
ABSTRACT:
Odor suppression in a septic tank sewage system involves reception of sewage in a septic tank wherein solids are allowed to settle; receiving liquids discharging from the septic tank into an enclosed aeration zone outside the septic tank; agitating the liquids in the aeration zone and delivering a stream of air into the liquids being agitated; and draining aerated liquid from that zone, these and other steps are carried out in a particular manner, of unusual advantage.
REFERENCES:
patent: 1900809 (1933-03-01), Hammerly
patent: 2928661 (1960-03-01), Mac Laren
patent: 2987186 (1961-06-01), Burgoon et al.
patent: 3207314 (1965-09-01), Pearson
patent: 3680704 (1972-08-01), Schaefer
patent: 3681236 (1972-08-01), Bergles et al.
Haefliger William W.
Hart Charles N.
Hruskoci Peter A.
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