The article discusses the selection and evaluation of energy-saving technologies for metallurgical production. Alternative energy sources are ordinary natural phenomena, inexhaustible resources that are produced naturally. Such energy is also called regenerative or "green". The article assessed the climatic characteristics, landscape, level of development of the territory of the location of the research object, analyzed the possibility of using solar and wind energy, hydropower, waste energy, low-potential energy using secondary energy resources. An engineering system based on the use of regenerative heat exchangers or economizers was proposed, which converts the heat of the exhaust gases from the electric steelmaking production into energy used for heating or hot water supply.

Keywords: metallurgical industry, electric steelmaking, alternative energy, energy saving, engineering systems, low-potential energy, secondary energy resources, heat of exhaust gases, regenerative heat exchangers, economizers

The article is devoted to solving the current problem - improving the environmental safety of cities by using the specific functions of green plantations in the formation of the green frame belt. Analysis of advantages and disadvantages of existing methodological approaches to formation of "green frames" of cities allowed to systematize, select and scientifically justify estimated criteria taking into account climatic conditions, landscape, impact of anthropogenic factors, efficiency of creation of comfortable habitat and to develop methodology of formation and selection of "green frame" belt of cities.

Keywords: Greening of territories, "green frame" of the city, "green frame" core, "green frame" belt, urban forests, method of formation and selection of "green frame" belt

The article analyzes the theoretical approaches associated with the assessment and selection of the best efficiency of the complexes of methods and means to reduce air pollution in the operation of power plants as objects of urban economy. The advantages and disadvantages of each approach are considered. The physical-energy approach is highlighted as the most acceptable, in which the ecological efficiency and energy efficiency are the main criteria for the evaluation and selection of measures to reduce air pollution.

Keywords: energy facilities, environmental efficiency, energy efficiency, the physical-energy approach, reduction of air pollution

The article deals with topical issues of mercury waste disposal. The analysis of the possibility of secondary use of demercurized cullet under the condition of maximum extraction of mercury concentrate. On the basis of physical and chemical properties of mercury, a comparison of two methods of demercurization, during which it was found that the technology of thermal demercurization will reduce the percentage of remaining mercury in cullet.

Keywords: mercury-containing waste, demercurization, cullet, fluorescent lamp, waste disposal

The article presents the methodological framework for the analysis of manufacturing processes and build scheme balance production flows taking into account environmental, material and energy factors. As an example, for constructing the balance circuit production flows are considered the plant of reinforced concrete products and structures with an appropriate technological process of production of reinforced concrete products and structures.

Keywords: Balance scheme, production flows, environmental factors, material and energy production factors

In article authors considered the main processes having impact on distribution in atmospheric air of the polluting substances which are formed during the work of the enterprises of fuel and energy complex – boiler rooms and combined heat and power plant. Various changes to which are exposed gaseous and the strong polluting substances coming to the atmosphere with flue gases, and also the factors influencing dispersion and their concentration in the air basin of the cities are analysed. The climatic characteristics significantly influencing formation of pollution of the air basin of the cities are investigated. In the conclusion authors drew a conclusion that, despite an arrangement of installations of the centralized boiler rooms within an urban area or is close to it, decrease in pollution of the air basin of the cities in comparison with systems of autonomous heating of each house is observed.

Keywords: the polluting substances, the enterprises of fuel and energy complex, dispersion of the polluting substances, air pollution of the cities

The analysis of the current in the Rostov region of solid waste consumption (TOP). The types for each stage of treatment with top - from the collection of top and ending their disposal, including disposal. The basic shortcomings of the implementation of each stage and the difficulties of the methods each of the stages. The main directions of solving these deficiencies existing in the Rostov region of handling top. In conclusion, it was concluded that the improvement of treatment should start with the top ""change"" consciousness of the people and persuade them to sort waste that will go to the task management system dealing with TOP in order to reduce environmental pollution in urban areas.

Keywords: solid waste consumption, waste management system, stages of the waste management system

The analysis of the main approaches to the classification of waste. Revealed their shortcomings. A new approach to the classification of the position to consider the consumption of solid waste as a dispersed system. The main parameters that characterize the processes and phenomena observed in the waste.

Keywords: Solid waste consumption, classification attributes, parameters properties of the waste

Considers the most important sources of material pollution of urban territories. A comprehensive approach to studying properties of pollutants, based on the theory of disperse systems. Built block diagram of systematization of parameters that determine the behavior of contaminants from the position of theory of disperse systems. The dependence between the behavior of pollutant aerosol and parameters of its stability.

Keywords: Contaminant dispersion system, the parameters of pollutant properties, stability of pollutant aerosol

  The article highlights the most well-known approaches to the problem of solid waste consumption. Select the most important aspects in the organization of the management of waste. A physical model of the process of environmental pollution and are the main characteristics of the objects involved in the contamination. The basic criteria that the choice of method of disposal of the waste components will provide environmental, economic and social outcomes. Clarify the purpose of further research.

Keywords: solid waste consumption, the concept of waste management, physical model of environmental pollution