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Water purification system

  • US 6,929,740 B2
  • Filed: 01/14/2003
  • Issued: 08/16/2005
  • Est. Priority Date: 01/14/2002
  • Status: Expired due to Fees
First Claim
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1. A water purification apparatus comprising a plurality of electrodes connected to a DC power supply, one of the electrodes being made of titanium and each other electrode being copper or silver or a mixture of copper and silver, wherein a plurality of other electrodes are disposed around a cylindrical titanium electrode, DC power supply being provided with control means for cyclically alternating the polarity of the output of the power supply for predetermined intervals with quiescent periods therebetween.

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