C - Chemistry – Metallurgy – 02 – F
Patent
C - Chemistry, Metallurgy
02
F
204/124, 362/65.
C02F 1/68 (2006.01) C02F 1/46 (2006.01) C02F 1/461 (2006.01) C02F 1/00 (2006.01) C02F 1/48 (2006.01) C02F 9/00 (2006.01)
Patent
CA 1233430
ABSTRACT WATER PURIFICATION APPARATUS This invention concerns apparatus which is adapted to purify water by the introduction of metal ions into the water. A chamber is provided which houses two electrodes which are made of metals whose ions are known to have water-purification properties. Water to be purified is passed through the chamber, whereupon a controlled concentration of purifying ions are passed into the water. The metal ions preferably include silver and/or copper to control respectively bacteria and algae. Furthermore, in order to minimise adverse electrolytic- effects it has been wound advantageous to reverse the polarity of the potential difference across the electrodes at regular intervals.
456538
Sim & Mcburney
Tarn-Pure Limited
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