Title : Combined electron-beam and biological treatment of dyeing complex wastewater. Pilot plant experiments
Pilot plant (output 1000m3 day1) with ELV electron accelerator
(energy 1 MeV, beam power 40 kW) 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 electronbeam
treatment (mainly, because of radiolytic conversions of terephthalic
acid being a main pollutant of the wastewater). Equal purification
degree corresponded to 17 h of bio-treatment without preliminary
irradiation and about 8 h of bio-treatment with preliminary
electron-beam treatment at absorbed dose 1–2 kGy.
(C) 2002 Elsevier Science Ltd. All rights reserved.