Method of thermal disinfection of sewage and plant realizing sam

Details Method of thermal disinfection of sewage and plant realizing sam Method of thermal disinfection of sewage and plant realizing sam

1975-02-06

1977-06-07

Spear, Jr., Frank A.

Liquid purification or separation

With alarm, indicator, register, recorder, signal or...

Responsive to fluid flow

210152, 210178, 210205, 210257R, C02C 100

Patent

active

040282422

ABSTRACT:
Sewage is heated to a temperature above 100.degree. C. in two steps. In the first step, sewage is heated to a temperature not greater 100.degree. C. and then conducted into the nozzle of a jet apparatus into which heat-carrier steam is also injected so that the sewage is therein heated to a temperature greater than 100.degree. C., which constitutes the second step of heating. The sewage heated to said temperature is maintained in a continuous flow while being discharged from the jet apparatus, the pressure in the continuous flow corresponding to the steam saturation temperature.

REFERENCES:
patent: 1445134 (1923-02-01), Fowler
patent: 3155611 (1964-11-01), Porteous
patent: 3219579 (1965-11-01), Kranz
patent: 3235003 (1966-02-01), Smith
patent: 3464917 (1969-09-01), Porteous
patent: 3620506 (1971-11-01), So
patent: 3704006 (1972-11-01), Grout et al.
patent: 3931012 (1976-01-01), Huse

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