Water purifying systems

Liquid purification or separation – Structural installation – Closed circulating system

Patent

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Details

210500R, E04H 320

Patent

active

040025667

ABSTRACT:
A system for purifying water includes flowing the water through a closed path, supporting a bacteria culture in the path of water disposed transversely thereto, and aerating the water in the path upstream of the bacteria culture to enable it to purify the water. In one form of the invention, the water being purified may be flowing through an aquarium for containing fish and/or other aquatic life. In another form of the invention, the water being purified may be flowing through a fish pond or swimming pool.

REFERENCES:
patent: 1756906 (1930-04-01), Miltetta
patent: 1835944 (1931-12-01), Hudson
patent: 2564926 (1951-08-01), Rapier
patent: 2809933 (1957-10-01), Halvorson
patent: 3295681 (1967-01-01), Rubert et al.
patent: 3343677 (1967-09-01), Ohada
patent: 3578169 (1971-05-01), White
patent: 3649532 (1972-03-01), McLean
patent: 3688907 (1972-09-01), Oravec

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