AOX removal from pulp and paper industry wastewater with traditional methods is still very difficult. A novel application, irradiation by high energy electron beam (EB), is investigated and 40% and 70% AOX removals were obtained by 10 kGy and 50 kGy dosages, respectively. Further removals are possible at higher dosages. Chemical pre-treatment had no significant effect on overall AOX removal by EB-treatment, while biological post-treatment removed AOX further. Practical applications at large pulp and paper plants are considered, and further research on the application of EB-treatment on concentrated effluents or sludges is recommended.
Degradation of Recalcitrant Chlorinated Organics by Radiochemical and Biochemical Oxidation
D. Berge, H. Ratnaweera, H. Efraimsen; Degradation of Recalcitrant Chlorinated Organics by Radiochemical and Biochemical Oxidation. Water Sci Technol 1 March 1994; 29 (5-6): 219–228. doi: https://doi.org/10.2166/wst.1994.0716
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