B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
B01D 53/34 (2006.01) B01D 53/00 (2006.01) B01D 53/32 (2006.01) B01D 53/60 (2006.01) B01J 19/08 (2006.01)
Patent
CA 2047759
A process for desulfurization and denitration of waste gas by multi-stage electron beam irradiation and an apparatus used for the process are constituted so that the waste gas is passed through the electron beam irradiation zones in multiple irradiation chambers that are arranged in such a way that the center-to-center distance (m) between two neighboring electron beam generators is not shorter than distance X calculated by the formula, X = 2.alpha. + t V wherein 2.alpha. means distance over which an absorbed dose extends into a waste gas, t means a residence time (sec.) of waste gas in a non-irradiation zone, and V stands for the flow velocity of waste gas, whereby t can be reduced to 0.01 - 0.5 seconds, so that irradiated energy can be utilized efficiently and a maximum effect can be obtained with a minimum expenditure of irradiation energy. Therefore, the waste gas can be treated rapidly and economically.
Aoki Shinji
Izutsu Masahiro
Namba Hideki
Okamoto Kyoichi
Sato Shoichi
Ebara Corporation
Riches Mckenzie & Herbert Llp
LandOfFree
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