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Photochemical dechlorination of water supply for fish tanks with commercial water sterilizers



Photochemical dechlorination of water supply for fish tanks with commercial water sterilizers



Journal of the Fisheries Research Board of Canada 31(12): 1881-1886



Commercial Hg-lamp water sterilizers can be used for removal of free Cl2 in water supplies, by photochemical action. The efficiency of removal decreases with increasing pH, but is little affected by temperature. It is greatest at low initial Cl2 concentration. Equipment with either low or high pressure Hg vapor lamps may be used. Removal of 90% of free Cl2 can be effected at about 13.0 l min-1 with a sterilizer using 8 low pressure lamps of 40 W, or at 50 l min-1 or more with 2 1200-W sterilizers with high pressure lamps in tandem. Treated water appears to be harmless to fish.

Accession: 006110020

Download citation: RISBibTeXText

DOI: 10.1139/f74-245

Download PDF Full Text: Photochemical dechlorination of water supply for fish tanks with commercial water sterilizers



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