Process for NOx abatement
October 7, 2012. 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 References 3900554 Process for abating concentration of nitrogen oxides in combustion flue gas Method of decreasing the content of nitrogen oxides in combustion exhaust gas Urea reduction of NOx in combustion effluents Method for the treatment of exhaust gases containing nitrogen oxides Urea reduction of NOx in fuel rich combustion effluents Compositions containing urea, ammonia, and water Methods for chemically reducing nitrogen oxides Reduction of nitrogen-based pollutants through the use of urea solutions containing oxygenated hydrocarbon solvents Reduction of NOx in flue gas InventorAssigneeApplicationNo. 957668 filed on 10/07/1992US Classes:423/235, Nitrogen or nitrogenous component423/239.1Utilizing solid sorbent, catalyst, or reactantExaminersPrimary: Heller, Gregory A.Attorney, Agent or FirmForeign Patent References
International ClassesC01B 017/00C01B 021/00 B01J 008/00 AbstractNOx removal is accomplished by contacting a NOx -containing stream under reducing conditions with a urea-ammonia-water composition.Other References
Field of SearchNitrogen or nitrogenous component |
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