Kramarova Y. Ecological and hygienic substantiation of application of organic fertilizers derived from sludge of urban wastewater

The dissertation is devoted to environmental and hygienic evaluation of the use of organic fertilizers derived from sludge of urban wastewater. Work done on the basis of complex natural and experimental research. The paper presented a comprehensive ecological and hygienic evaluation sediment of urban sewage stations airing the city of Dnipropetrovsk, made the evaluation of basic characterological figures residues with increased shelf life, developed a way to remove the heavy metals from sediment of urban sewage and manufacturing technology of organo-mineral fertilizers based on them, appear to obtain agricultural products which meets the sanitary requirements of the application of fertilizers, obtained from sediments of urban sewage.