Device for purifying sewer water in small sewer systems

Details Device for purifying sewer water in small sewer systems Device for purifying sewer water in small sewer systems

1976-11-29

1978-06-06

Hart, Charles N.

Liquid purification or separation

With means to add treating material

Plural distinct separators

137134, 210207, 210209, C02B 120, C02C 502

Patent

active

040935515

ABSTRACT:
A device for purifying water in small sewer systems (e.g. a system connected to one or a few family houses) includes means for automatic addition of a chemically active liquid to the water passing through the device. The invention eliminates the need of any movable parts by using two siphon tubes controlling the liquid supply. One of the siphon tubes is traversed by the sewer water and the corresponding flow generates a suction which is relied upon to transfer the chemically active liquid through the second siphon tube.

REFERENCES:
patent: 292046 (1884-01-01), Powers
patent: 831059 (1906-09-01), Greth
patent: 1150673 (1915-08-01), Greth et al.
patent: 2479842 (1949-08-01), Kirwan
patent: 2604444 (1952-07-01), Piccardo

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