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Effect of flue gas conditioning on the cohesive forces in fly ash layers in electrostatic precipitation
Author(s) -
Navarrete Benito,
AlonsoFariñas Bernabé,
Lupión Mónica,
Cañadas Luis
Publication year - 2015
Publication title -
environmental progress and sustainable energy
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.495
H-Index - 66
eISSN - 1944-7450
pISSN - 1944-7442
DOI - 10.1002/ep.12133
Subject(s) - fly ash , flue gas , conditioning , electrostatic precipitator , adsorption , precipitation , work (physics) , materials science , chemistry , environmental science , chemical engineering , waste management , composite material , engineering , thermodynamics , physics , meteorology , mathematics , organic chemistry , statistics
Flue gas conditioning (FGC) systems are an effective option for improving the performance of electrostatic precipitators (ESP). The effect of FGC on the cohesive forces in ash layers during electrostatic precipitation has been studied for a complete range of ash compositions. Cohesive forces have been determined by means of a laboratory apparatus specifically developed within this research work. SO 3 and NH 3 have been tested as conditioning agents. It is concluded that the effect of injecting NH 3 on the cohesive properties is variable, and depends on the type of ash. The mechanism of NH 3 adsorption, influenced by the carbon content in ash, appears to play an important role. On the other hand, SO 3 addition involves the reduction of the cohesive forces in all the cases tested. © 2015 American Institute of Chemical Engineers Environ Prog, 34: 1379–1383, 2015