Technical and Economic Evaluation of Technology for Treating Waste Water from Special Laundries of Nuclear Power Plants

摘要

The technical and economic evaluation is given of two technological processes of treating waste water contaminated with radionuclides. The waste water is produced by washing clothes in special laundries of nuclear power plants with WWER type reactors. For both treatment processes, two modifications are taken into account in which two different detergents are used. The first one is a commercial detergent and the second one a detergent with improved decontamination ability. The process based on coprecipitation was found to be more advantageous from the economical angle; in both technological processes the same cleaning effect was reached at the same time. Savings of chemical materials by using special detergents will not be shown in total costs; the technological equipment costs and the construction costs are decisive. The costs of waste water treatment in a chemical treatment plant are compared with those of treatment by a distillation process. (author). 4 figs., 1 tab., 3 refs. (Atomindex citation 19:059689)