Liquid purification or separation – Processes – Chemical treatment
Patent
1992-09-14
1994-05-24
Hruskoci, Peter A.
Liquid purification or separation
Processes
Chemical treatment
210764, 210806, 210130, C02F 176
Patent
active
053146280
ABSTRACT:
The likelihood of proliferation of micro-organisms in a downstream conduit connecting the outlet of a chlorine filter to a de-chlorinated water outlet in a water supply system when no water is flowing in the conduit is reduced by providing a by-pass conduit between the upstream conduit and the downstream conduit. The flow of chlorinated water through the by-pass conduit is prevented when water is flowing from the chlorinated water inlet through the upstream conduit, the filter and the downstream conduit to the de-chlorinated water outlet. Chlorinated water in the upstream conduit is permitted to communicate through the water in the by-pass conduit with de-chlorinated water in the downstream conduit when no water is flowing in the upstream conduit, the filter and the downstream conduit to enable chlorine in the chlorinated water in the upstream conduit to migrate through the water in the by-pass conduit into the de-chlorinated water in the downstream conduit to reduce the likelihood of proliferation of micro-organisms therein.
REFERENCES:
patent: 3019185 (1962-01-01), Fouilland et al.
patent: 3306451 (1967-02-01), Kudlaty
patent: 4001120 (1977-01-01), Gelman et al.
patent: 4595500 (1986-06-01), Galbiati
patent: 4681677 (1987-07-01), Kuh et al.
patent: 5196126 (1993-03-01), O'Dowd
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