Patents Represented by Attorney, Agent or Law Firm Stephanie L. Seidmen
  • Methods of destruction of cyanide in cyanide-containing waste
    Patent number: 6774277
    Abstract: Methods of treatment of cyanide-containing waste are provided. In particular, methods for treatment of spent potliner prior to landfill disposal are provided. These methods, which involve treatment of the waste with a mixture containing an aqueous oxidizing solution containing an agent, such as a metal chloride, that increases the oxidation potential of the solution, can be performed at ambient temperature and pressure.
    Type: Grant
    Filed: March 7, 2000
    Date of Patent: August 10, 2004
    Assignee: Waste Management, Inc.
    Inventor: Gary Fisher