Gas separation – Means within gas stream for conducting concentrate to collector
Patent
1983-02-01
1985-08-06
Nozick, Bernard
Gas separation
Means within gas stream for conducting concentrate to collector
4232155, 423541A, B03C 100
Patent
active
045333645
ABSTRACT:
A 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.
REFERENCES:
patent: 3581463 (1971-06-01), Roberts
patent: 3665676 (1972-05-01), McKewen
patent: 4042348 (1977-08-01), Bennett et al.
patent: 4043768 (1977-08-01), Bennett et al.
patent: 4146579 (1979-03-01), Dezael et al.
patent: 4300920 (1981-11-01), Grove
Lowe, H. J., "Reduction of Emission of Pollutants, Recent Advances in Electrostatic Precipitators for Dust Removal", Phil. Trans. Roy. Soc. Lond. A. 265, 301-307 (1969).
Chemical Abstracts, 75, 121047c, "Increase in the Operating Efficiency of Electrostatic Precipitators" (1971).
Dalmon, J. and Tidy, D., "A Comparison of Chemical Additives as Aids to the Electrostatic Precipitation of Fly-Ash", Atmospheric Environment 6, 721-734 (1972).
Dismukes, Edward B., "Conditioning of Fly Ash with Sulfamic Acid, Ammonium Sulfate, and Ammonium Bisulfate", Environmental Protection Technology Series, EPA-650/2-74-114 (1974).
Tu, K. W. and Kanapilly, G. M., "Generation and Characterization of Submicron Ammonium Sulfate and Ammonium Hydrogen Sulfate Aerosols", Atmospheric Environment 12, 1623-1629 (1978).
Spafford, Dismukes and Dillon, "Analysis of Thermal Decomposition Products of Flue Gas Conditioning Agents", EPA-600/7-79-179 (1979).
Oglesby, Jr., S. and Nichols, G. B., Electrostatic Precipitation, Dekker, 1978, pp. 119-155.
Altman Ralph F.
Bickelhaupt Roy E.
Dahlin Robert S.
Dismukes Edward B.
Gooch John P.
Electric Power Research Institute Inc.
Nozick Bernard
LandOfFree
Method for flue gas conditioning with the decomposition products does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Method for flue gas conditioning with the decomposition products, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method for flue gas conditioning with the decomposition products will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-510463