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  • Recovery of Water from Boiler Flue Gas Using Condensing Heat Exchangers
    • Theoretical predictions for sulfuric acid concentrations on tube surfaces at temperatures above the water vapor dewpoint temperature and below the sulfuric acid dew point temperature.
  • SULFURIC ACID REMOVAL PROCESS EVALUATION: SHORT-TERM RESULTS
    H2SO4 Vapor by Controlled Condensation ...............................................................2-11 Acid Dew Point ........................................................................................................2-12 Method 26a—Hydrogen Halide and Halogen Emissions (chloride and fluoride).......2-12 Solid and Slurry Sample Analyses ....................................................................................2-13 Economizer Ash.......................................................................................................2-13 Fly Ash Samples......................................................................................................2-14 Reagent Slurry Samples...
  • FURNACE INJECTION OF ALKALINE SORBENTS FOR SULFURIC ACID CONTROL
    2.1 H2SO4 Vapor by Controlled Condensation....................................................................2-1 2.2 Acid Dew Point ............................................................................................................2-2 2.3 Method 26a—Hydrogen Halide and Halogen Emissions (chloride and fluoride)...........2-2 2.4 Fly Ash Resistivity.......................................................................................................2-3 2.5 Carbon in Ash ..............................................................................................................2...
  • Engineering acid dew temperature: the limitation for flue gas heat recovery
    Consequently, many heat recovery systems have been applied in some Chinese thermal power plants [2] to raise boiler efficiency, with designing exhaust gas temperature a little bit higher than acid dew point temperature (ADT) to avoid low-temperature corrosion [3].
  • Nalco Guide to Boiler Failure Analysis, Second Edition > Cold-End Corrosion during Service
    It is also termed acid dew point corrosion, as it is caused by conditions that allow acidic vapors in the flue gas to condense on metal surfaces and cause corrosion.
  • A new steel with good low�?temperature sulfuric acid dew point corrosion resistance
    A new steel with good low�?temperature sulfuric acid dew point corrosion resistance .
  • Electrostatic Precipitation
    In addition, ammonia alone has been used on boilers firing high sulfur coal for many years to improve precipitator performance, reduce the acid dew point and corrosion, and in some cases eliminate the ‘blue plume’ from high sulfur trioxide emissions.
  • Electrical Operation of Electrostatic Precipitators
    In the case of plants operating close to the acid dew point temperature, particularly for wet type environments, the choice of material used for fabrication and long term availability must take corrosion into account [3].