The article proposes a method for producing epoxy polymers, based on epoxy resin ED-20, modified with slag from the JSC “Oskol Electrometallurgical Plant”. It has been established that it is possible to regulate physical and mechanical properties of composite materials by introducing filler, which will allow expanding its areas of application.
The article shows that techno-genic fillers, based on slag of electrometallurgical production, can be used as fillers for water-dispersion paints, based on polymer composition. For these purposes, it is necessary to modify the slag particles, in order to increase its hydrophobic property. The article examines the effect of the mass of the additive of techno-genic filler, based on the modified slag of the electrometallurgical plant, on the properties of the resulting paint. A water-dispersed acrylic composition, containing stearic acid-modified slag of electric steelmaking production as a filler, has been developed. The composition has high uniformity, is more heat-resistant and water-resistant, a high hiding power and viscosity, and corresponds to modern analogues.
The paper discusses current environmental problems associated with the accumulation and disposal of municipal solid waste in Russia by the example of the Belgorod region. It is shown that the existing rates of waste accumulation can lead to environmental emergencies in the region. The scenarios for the development of emergency situations at the landfill of Belgorod were considered. The analysis show that the most dangerous in terms of the social and environmental consequences of dangerous situations are scenarios related to the filtering of the contents of the map-ditches into the environment. Also, the high integral risk has a scenario with pollution of atmospheric air of polygon gases. Using the method of risk matrices by formalizing expert opinions, it is shown that a comprehensive method of disposal of solid waste minimizes anthropogenic pressure on the environment in the field of waste management.
The purpose of the paper is to determine the possibility of using water purification slime as a raw material in the production of ceramic building brick. The spectrophotometric, power dispersing, atomic and absorption methods of research and biotesting were used. The possibility of using the water purifying slime as a pore-forming component is proved by the production of ceramsite brick. The optimum amount of the component of water purification slime to the main raw materials has been established. The small level of heavy metals leaching from the received construction material has been experimentally proved. The article can be of interest to the experts in the field of creating new construction materials using the production wastes and sewage purifying.
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