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Method of water purification

  • US 5,403,450 A
  • Filed: 03/16/1993
  • Issued: 04/04/1995
  • Est. Priority Date: 09/26/1990
  • Status: Expired due to Fees
First Claim
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1. Method for the conversion of reducible or oxidizable substances in aqueous solution, which comprises:

  • passing an aqueous solution containing said substances through a housing having operatively associated therewith an electrode body and into effective contact with;

    at least one immobilized oxidoreductase selected from the group consisting of nitrate-oxidoreductase, nitrite-oxidoreductase, and N2 O-oxidoreductase,which is in effective contact with at least one co-immobilized electron carrier which simultaneously supplies reduction or oxidation equivalents to said oxidoreductase,under conditions supportive of the conversion of said substances; and

    recovering water having less of said reducible or oxidizable substances than were in said aqueous solution.

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