NO sub(x) and PAHs removal from industrial flue gas by using electron beam technology with alcohol addition

NO sub(x) and PAHs removal from industrial flue gas by using electron beam technology with alcohol addition

The removal of NO sub(x) and polycyclic aromatic hydrocarbons from flue gas was investigated, as a preliminary test, with alcohol addition by using electron beam irradiation in EPS Kaweczyn. The experimental conditions were the followings: flue gas flow rate 5000 nm super(3)/h; humidity 4-5%; inlet...

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Veröffentlicht in:Radiation physics and chemistry (Oxford, England : 1993) England : 1993), 2003-06, Vol.67 (3-4), p.555-560
Hauptverfasser: Chmielewski, A G, Sun, Y-X, Licki, J, Bulka, S, Kubica, K, Zimek, Z
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container_title Radiation physics and chemistry (Oxford, England : 1993)
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creator Chmielewski, A G
Sun, Y-X
Licki, J
Bulka, S
Kubica, K
Zimek, Z
description The removal of NO sub(x) and polycyclic aromatic hydrocarbons from flue gas was investigated, as a preliminary test, with alcohol addition by using electron beam irradiation in EPS Kaweczyn. The experimental conditions were the followings: flue gas flow rate 5000 nm super(3)/h; humidity 4-5%; inlet concentrations of SO sub(2) and NO sub(x), which were emitted from power station, were 192 and 106 ppm, respectively; ammonia addition was 2.75 m super(3)/h; alcohol addition was 6001/h. It was found that below 6 kGy applied doses the NO sub(x) removal efficiency increased by 10% in the presence of alcohol as compared to the absence of alcohol; on the other hand, the NO sub(x) removal efficiency decreased at doses higher than 10 kGy. In order to understand the behavior of these aromatic hydrocarbons under electron irradiation, unirradiated samples (i.e. as emitted from the coal combustion process, called inlet) and irradiated samples (called outlet) were collected by using a condense bottle connected with an XAD-2 adsorbent and an active carbon adsorbent and were then analyzed by a GC-MS. It was found that using 8 kGy absorbed dose the concentration of aromatic hydrocarbons of small aromatic rings (
doi_str_mv 10.1016/S0969-806X(03)00105-1
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