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Photocatalytic process

  • US 7,300,634 B2
  • Filed: 10/31/2005
  • Issued: 11/27/2007
  • Est. Priority Date: 11/03/2004
  • Status: Expired due to Fees
First Claim
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1. A photocatalytic cleaner for air or water, comprising:

  • a photocatalytic material coating a substrate;

    an anode, positioned a predetermined distance from the substrate, comprising a phosphor adapted to emit ultraviolet light in response to bombardment by electrons; and

    a field emission cathode, positioned a predetermined distance from the anode, operable for emitting electrons in response to an electric field.

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