Ammonia reagent application for NOX SOX and particulate emission control
Patent 5525317 Issued on June 11, 1996. Estimated Expiration Date: November 4, 2014. 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.
423/235, Nitrogen or nitrogenous component110/345, Exhaust gas; e.g., pollution control, etc.422/172, And means downstream of a stage for injecting a reactant into waste gas for interreaction in subsequent stage422/177, Including solid, extended surface, fluid contact reaction means; e.g., inert Raschig rings, particulate absorbent, particulate or monolithic catalyst, etc.422/211, Including solid, extended surface, fluid contact reaction means; e.g., inert Raschig rings, particulate absorbent, particulate or monolithic catalyst, etc.422/214, Transfer line type reaction chamber423/238, Utilizing liquid as reactant423/239.1Utilizing solid sorbent, catalyst, or reactant
A flue gas emission control system for coal fired boilers use individual units for NOx, SOx and particulate removal and provides ammonia injection to all three units from a single source.
November 4, 2014. 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.
