SEWAGE WATER TREATMENT AND RECOVERY PLANT Russian patent published in 2000 - IPC

FIELD: non-chemical microbe decontamination of liquid radioactive wastes. SUBSTANCE: plant has liquid radioactive waste collector, biocultivator whose case is sectionalized by means of perforated partitions, each section receiving granular abrasive immobilizing packing and incorporating air charger. Microfilter is installed at outlet of water biocultivator and disintegrator communicating with liquid radioactive waste collector, at sediment outlet; arranged in tandem at outlet of excess biomass biocultivator are dryer, pyrolysis chamber, and coke vitrifying chamber. Plant is also provided with domestic-waste collector, disperser, recovery device, and additional microfilter all communicating with liquid radioactive waste collector. Press filter is mounted at outlet of microfilter. Recovery device has case with inlet and outlet pipe connections and switches; case is sectionalized by means of perforated partitions; each section accommodates immobilizing packing. EFFECT: improved sorption of radioactive isotopes from radioactive wastes. 3 dwg