Method of purifying water in fish keeping water tank

Details Method of purifying water in fish keeping water tank Method of purifying water in fish keeping water tank

1980-04-04

1981-10-27

Granger, Theodore A.

Liquid purification or separation

Processes

Utilizing electrical or wave energy directly applied to...

210169, 250436, 422 24, C02B 138

Patent

active

042972221

ABSTRACT:
A water treating method is disclosed. Water stored in a container is circulated through an external passageway and subjected to ultraviolet radiation and biological oxidation treatment, whereupon the growth of undesired aquatic chlorophyceae and microorganisms is inhibited and at the same time, organic matter is decomposed and removed, thereby maintaining a low COD level and clarifying water in the container. This method is particularly useful for keeping water in a container clean.

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