An experimental investigation of wastewater treatment using electron beam irradiation

An experimental investigation of wastewater treatment using electron beam irradiation

Electron beam (EB) is used for disinfection and treatment of different types of sewage and industrial wastewater. However, high capital investment required and the abundant energy consumed by this process raise doubts about its cost-effectiveness. In this paper, different wastewaters, including two...

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Published in:Radiation physics and chemistry (Oxford, England : 1993) Vol. 125; pp. 82 - 87
Main Authors: Emami-Meibodi, M., Parsaeian, M.R., Amraei, R., Banaei, M., Anvari, F., Tahami, S.M.R., Vakhshoor, B., Mehdizadeh, A., Fallah Nejad, N., Shirmardi, S.P., Mostafavi, S.J., Mousavi, S.M.J.
Format: Journal Article
Language:English
Published: Elsevier Ltd 01-08-2016
Subjects:
Activated sludge
Chlorination
Economical evaluation
Electron beam
Electron beams
Irradiation
Optimization
Sewage
Strategy
Textiles
Wastewater treatment
Electron beam
Activated sludge
Chlorination
Economical evaluation
Wastewater treatment
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Summary:Electron beam (EB) is used for disinfection and treatment of different types of sewage and industrial wastewater. However, high capital investment required and the abundant energy consumed by this process raise doubts about its cost-effectiveness. In this paper, different wastewaters, including two textile sewages and one municipal wastewater are experimentally studied under different irradiation strategies (i.e. batch, 60l/min and 1000m3/day) in order to establish the reliability and the optimum conditions for the treatment process. According to the results, EB improves the efficiency of traditional wastewater treatment methods, but, for textile samples, coagulation before EB irradiation is recommended. The cost estimation of EB treatment compared to conventional methods shows that EB has been more expensive than chlorination and less expensive than activated sludge. Therefore, EB irradiation is advisable if and only if conventional methods of textile wastewater treatment are insufficient or chlorination of municipal wastewater is not allowed for health reasons. Nevertheless, among the advanced oxidation processes (AOP), EB irradiation process may be the most suitable one in industrial scale operations. •Two pilot scale reactors are designed for EB irradiation of wastewater.•The doses of 1 to 3kGy are suitable for different wastewater.•The synergism role of ozone treatment beside EB is investigated.•The order of irradiation and coagulation is studied.•Low doses of EB irradiation may result in BOD enhancement.
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content type line 23
ISSN:0969-806X
1879-0895
DOI:10.1016/j.radphyschem.2016.03.011