Fomina I. Increase of ecological safety by utilization of rainfall of biological treatment facilities (on the example of the Kharkov area)

The object of the research is environment pollution by ecologically dangerous wastewater sludge. The aim is to reduce the level of negative influence of ecologically dangerous wastewater sludge of biological wastewater treatment plants on environment by intensification of disinfection and further utilization. Methods of research: methods of identification of physicochemical, sanitary-bacteriological and parasitological characteristics of wastewater sludge; physical, chemical and biothermal methods and statistical methods. Theoretical and practical results: according to the materials of research was improved method of biothermal treatment of wastewater sludge; designed ecologically safe technology of disinfection and utilization of wastewater sludge, designed the project of state normative document. Scientific novelty: for the first time were received the mechanisms of acceleration of wastewater sludge disinfection processes depending on the temperature; for the first time it was theoretically justified and experimentally determined that intensification of nitrification process by using of legumes refuses and wastes of tobacco products during wastewater sludge composting inhibit vital functions of pathogenic microflora and decrease ecological dangerous of the sludge; was impoved the method of biothermal treatment of wastewater sludge. Level of implementation: according to the materials of research was designed the project of state normative document. The results of dissertation are recommended to regional departments of ecology and natural resources in Ukraine; to local vodokanals.