Water treatment

Details Water treatment Water treatment

1997-04-23

1999-03-30

Woo, Jay H.

Liquid purification or separation

Structural installation

Geographic

210255, 210262, 250434, 4221863, C02F 132

Patent

active

058883886

ABSTRACT:
A filtration unit e.g. for ponds comprises a housing divided into a radiation chamber (18) with a water inlet (20) and a filtration chamber (19) with water outlets (21,22). A weir (23) in the partition wall (17) between the chambers controls the water level in the radiation chamber (18). One or more UV tubes (25,26) are mounted in the radiation chamber (18) above the water level therein controlled by the weir (23). Preferably the housing has a cover which is in two parts a first (33) of which extends over the radiation chamber (18) and is secured by screws or the like so that it cannot be removed inadvertently, and the second (34) of which extends over the filtration chamber (19) and is hinged to give ready access to the filtration chamber (19).

REFERENCES:
patent: 3661262 (1972-05-01), Sanders
patent: 4297222 (1981-10-01), Takeguchi et al.
patent: 5089137 (1992-02-01), McKown
patent: 5227053 (1993-07-01), Brym
patent: 5494576 (1996-02-01), Hoppe et al.
patent: 5653877 (1997-08-01), Mark

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