Journal
RADIATION PHYSICS AND CHEMISTRY
Volume 64, Issue 1, Pages 53-59Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/S0969-806X(01)00452-2
Keywords
wastewater purification; electron-beam treatment; biological treatment; terephthalic acid; electron accelerator
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Pilot plant (output 1000m(3)day(-1)) with ELV electron accelerator (energy 1 MeV, beam power 40kW) is in operation from October 1998. Combined electron-beam and biological treatment was used for purification of dyeing complex wastewater under continuous flow conditions. The main results of pilot-scale experiments consisted in the fact that decrease in total content of pollutants after biological treatment was substantially influenced by preliminary electron-beam treatment (mainly, because of radiolytic conversions of terephthalic acid being a main pollutant of the wastewater). Equal purification degree corresponded to 17h of bio-treatment without preliminary irradiation and about 8h of bio-treatment with preliminary electron-beam treatment at absorbed dose 1-2kGy. (C) 2002 Elsevier Science Ltd. All rights reserved.
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