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REMOVAL OF CYANIDE FROM AQUEOUS STREAMS

  • US 20100307977A1
  • Filed: 11/17/2008
  • Published: 12/09/2010
  • Est. Priority Date: 11/15/2007
  • Status: Abandoned Application
First Claim
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1. A method for removing cyanide from an aqueous stream, wherein:

  • the aqueous stream is contacted with carbon under conditions wherein the Eh (oxygen reduction potential (ORP) measured in mV) of the aqueous stream is 0 or above, to remove cyanide from the stream;

    orthe aqueous stream is treated to control the Eh to 0 or above, and thereafter the aqueous stream is contacted with carbon, to remove cyanide from the stream.

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