Electrochemical treatment of water contaminated with nitrogenous compounds
Patent 6083377 Issued on July 4, 2000. Estimated Expiration Date: 
August 17, 2018. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
August 17, 2018. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesProcess and apparatus for purifying streams Method and apparatus for removing nitrates from water Patent #: 5614078 InventorsApplicationNo. 125863 filed on 08/17/1998US Classes:205/617, Sulfur or nitrogen produced205/688, Organic205/742, Water, sewage, or other waste water205/743, With control responsive to sensed condition205/745, Internal battery action205/761Using electrode containing ferrous metalExaminersPrimary: Phasge, Arun S.Attorney, Agent or FirmInternational ClassC02F 001/461Foreign Application Priority Data1996-02-22 GBAbstractWaters contaminated by nitrogenous compounds such as nitrate, ammonium, etc., are treated by electrochemical transformation of the contaminant to nitrogen gas. Electrodes are placed in the contaminated water to form a cell, in which the voltage of one of the electrodes is set to the Eh voltage at which nitrogen gas is thermodynamically favored. The cell may be electrolytic or galvanic. |
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