Factors Influencing SO2 Removal Efficiency by Electron Beam Processing of Coal-Fired Flue Gas Treatment

Ryunosuke Kikuchi

Energy & Environment, 1998, vol. 9, issue 5, 535-547

Abstract: A bench-scale test (800 N m3 /h) for electron beam treatment of flue gas was conducted. It was concluded that the method is favourable for treatment of flue gas with a high SO 2 concentration (5,500 ppm) at low electron beam irradiation (5 kGy). Results are consistent with the claim that SO x is removed from flue gas by the reaction of SO x with ammonia, and the intermediate salts formed are oxidised by radicals to sulphate salts consisting mainly of ammonium sulphate (a N-fertiliser). A typical flue gas desulphurization (FGD) method such as the wet limestone process cannot remove NO x and SO 3 effectively (Ando, 1990), but the electron beam process removes SO 2 , SO 3 and NO x simultaneously without generating waste water and CO 2 .

Date: 1998
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Persistent link: https://EconPapers.repec.org/RePEc:sae:engenv:v:9:y:1998:i:5:p:535-547

DOI: 10.1177/0958305X9800900506

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