Method for flue gas conditioning with the decomposition products of ammonium sulfate or ammonium bisulfate
Patent 4533364 Issued on August 6, 1985. Estimated Expiration Date: 
February 1, 2003. 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.
February 1, 2003. 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 3581463 3665676 Method of conditioning flue gas to electrostatic precipitator Method of conditioning flue gas to electrostatic precipitator Process for converting sulfitic solutions by means of ammonium bisulfate with SO2 production Stack gas reheater system Patent #: 4300920 InventorsApplicationNo. 06/462754 filed on 02/01/1983US Classes:95/58, With addition of solid, gas, or vapor423/215.5, Solid component423/541.4Ammonium sulfateExaminersPrimary: Nozick, BernardAttorney, Agent or FirmInternational ClassesB03C 3/00 (20060101)B03C 3/013 (20060101) AbstractA method is provided for enhancing the efficiency of fly ash collection in an electrostatic precipitator by lowering the resistivity of the fly ash particles in the flue gas, comprising the steps of introducing an aqueous solution of ammonium sulfate or ammonium bisulfate into a slipstream of hot gas in a chamber external to the main flue gas duct wherein thermal decomposition is effected and distributing the decomposition products into the main flue gas stream exiting from the air preheater at a point upstream from the electrostatic precipitator.Other References
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