Analysis of Applicability of Method of Aerosol Particles Permeability in Porous Materials for Incoming Control of Filtering Elements with Nanostructured Membranes used for Liquids Purification GENADY VASILIEVICH GRIGORYEV, VITALY VLADIMIROVICH GRIGOROV, OLGA VLADIMIROVNA RASKACH and EKATERINA PAVLOVNA ZALOZNAYA

An incomplete extraction of uranyl ammonium tricarbonate (UATC) from mother solutions is one of the problems concerning liquid radwaste accumulation. Implementation of processes and devices allowing for complete extraction of residual UATC from mother solutions would make it possible to significantly decrease expenses by the plant for radwaste utilization and environmental impact, and also to return UATC to the fuel production process. Update of mother solution handling technology is attributed in particular to the development and implementation of liquids purification systems using membranes. Successful introduction of membrane purification systems to the plants is primarily related to the quality of the membranes and the possibility of their total (100%) quality control. This paper represents the analysis of the possibility of using method based on aerosol particles permeability in porous materials as total incoming control of filtering elements with nanostructured membranes designed for removal of mechanical impurities from liquids1, 2. Analysis of this method was made in the following steps: ́ Measurement of the total number of particles and initial spectrum of aerosol particles; ́ Measurement of the total number of particles and spectra of aerosol particles transmission through porous base coats produced in various agglomeration modes; ́ Measurement of the total number of particles and spectra of aerosol particles transmission through the filtering elements with Ti – nano-membrane; ́ Calculation of coefficient of aerosol particles capture by Ti – membrane; ́ Evaluation of filtering elements quality. Studies were carried out within the framework of Agreement14.625.21.0001 of 21.08.2014 between the Ministry of Education and Science of the Russian Federation and JSC "SSC RF "IPPE" (unique identifier of the project is RFMEF162514X0001).