Liquid purification or separation – With alarm – indicator – register – recorder – signal or... – Responsive to fluid flow
Patent
1977-05-05
1978-12-05
Wyse, Thomas G.
Liquid purification or separation
With alarm, indicator, register, recorder, signal or...
Responsive to fluid flow
210 54, 210 62, 210 63R, 210 63Z, 210170, C02B 134
Patent
active
041284771
ABSTRACT:
Disclosed herein is a method for treating sewage destined for discharge into the sea. The fluid treatment process comprises conducting the sewage through bar racks, and degritters to remove large scale particles, extracting intermediate size particulate material in a rotary drum screen, introducing a chemical composition into the fluid to promote coagulation of particles having an average particle size of less than about 1 micron, filtering the fluid containing said coagulated particles through a deep bed multi-media filter, adjusting the quantity of dissolved oxygen in the filtrate to a predetermined level and discharging the oxygenated fluid to the sea some distance offshore to permit dispersal of any remaining contaminants by action of wind and currents.
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patent: 3512649 (1970-05-01), Nebolsine et al.
patent: 3568838 (1971-03-01), Appelgren et al.
patent: 3577341 (1971-05-01), Keith, Jr. et al.
patent: 3638590 (1972-02-01), Roberts et al.
patent: 3671022 (1972-06-01), Laird et al.
patent: 3792773 (1974-02-01), Ross
Castel Benoit
Hydrotechnic Corporation
Wyse Thomas G.
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