NOx reduction in a combined gas-steam power plant
Patent 4313300 Issued on February 2, 1982. Estimated Expiration Date: 
January 21, 2000. 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.
January 21, 2000. 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 3703807 Anti-polluting power plant using compressors and gas turbines Temperature stratified turbine compressors Patent #: 4133171 InventorsApplicationNo. 06/113635 filed on 01/21/1980US Classes:60/775, Introducing water or steam60/39.182, Steam and combustion products60/39.52Exhaust gas recyclingExaminersPrimary: Casaregola, Louis J.Attorney, Agent or FirmInternational ClassesF02C 3/00 (20060101)F02C 3/34 (20060101) F02C 6/18 (20060101) AbstractThe quantity of NOx emissions generated by a combined gas turbine-steam boiler power plant is controlled by recycling a controlled amount of the steam boiler exhaust gas to the air compressor of the gas turbine such that the recycled gases constitutes up to about 30% of the fluid flowing through the air compressor and by cooling the recycled steam boiler exhaust gases to about the desired gas turbine compressor inlet temperature prior to its introduction into the air compressor. | |
