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  • Dust suppression system design for tumble dryer for brick factories

    The authors of the work have developed a methodology that allows, on the basis of calculating the values of sanitary-hygienic and environmental efficiency, as well as the energy-intensive indicator of the processes of collecting dust and cleaning the gas-air stream from dust, to select and design a highly efficient and energy-efficient engineering dust suppression system for a drying drum operated in brick factories

    Keywords: inorganic dust, dispersed system, construction industry enterprise, labor protection, environmental safety, brick production, drying drum, selection method, dust suppression systems

  • Investigation of the process of reducing air pollution in the working area of the operator of the drying drum of brick factories

    The authors of the work analyzed the successive stages of the process of reducing air pollution in the working area and atmospheric air, built a physical model of the process for reducing air pollution and selected the preferred options for the efficiency of dust suppression technologies in relation to the operating conditions of the drying drum of a brick factory.

    Keywords: inorganic dust, dispersed system, construction industry enterprise, labor protection, environmental safety, brick production, drying drum, physical model of the process of reducing air dust pollution

  • Investigation of the air pollution process of the working area of the operator of the drying drum of the brick factory

    The authors analyzed the successive stages of the process of air pollution, built a physical model in relation to the operating conditions of the drying drum of a brick factory, which allowed to determine the features of atmospheric pollution in these conditions

    Keywords: inorganic dust dispersion system, the parameters of the properties of the contaminant, the enterprise of construction industry, health, manufacture of bricks, tumble dryer, power parameters, a physical model of the process of air pollution

  • Study of air pollution in the result of the synthesis of the acrylic copolymer "Akapol-020»

    The article is devoted to the process of air pollution as a result of the production and application of paints and varnishes used in the construction industry. In the process of pollution in the air enters the polluting aerosol (toluene), which is a toxic substance. The whole process of pollution is considered step by step, where at each stage the contaminating aerosol changes its parameters of properties. The result of the analysis of the pollution process is a physical model and mathematical dependence describing the essence of this process.

    Keywords: environmental safety in construction, air pollution, toluene, pollutants, acrylic copolymer, the formation of pollutants, the release of pollutants, the spread of pollutants

  • Scientific and methodological basis for ensuring the ecological safety of territories in urbanization conditions

    The problem of negative impacts of various nature on the environment from the functioning of public facilities is currently particularly relevant. A special place among such objects is occuped by shopping and entertainment complexes representing a unique symbiosis of various zones. This makes them objects an extensive list of negative factors affecting the environment. At the first stage of the research to solve this problem we carried out a study of the existing scientific approaches to the assessment of the state of the environment and the selection of the scientific basis for subsequent research. The results obtained at the completed stage of the research can be used as the basis for improving the existing scientific base in order to minimize the shortcomings of the existing approaches.

    Keywords: environmental safety, urban areas, urban environment, renovation of industrial areas, shopping and entertainment complexes, environmental impact, socio-environmental and economic assessment

  • Analysis of the physical nature of the process of reducing air pollution for woodworking shop

    The article is devoted to the analysis of the physical essence of the process of reducing air pollution for the woodworking shop of the enterprise serving the objects of urban construction, within the framework of the physical and energy approach. According to this approach, wood dust is considered from the position of the theory of dispersed systems, which changes its properties under the influence of external dispersed systems. The whole process is gradually illustrated by a physical model of the process of reducing air pollution, as well as a scheme of transformation of the dispersed system (dust aerosol) in the process of reducing air pollution.

    Keywords: environmental safety in construction, the object of urban construction, dispersion system, woodworking shop, wood dust, air pollution reduction, physical and energy approach, physical model of the process of reducing air pollution.

  • Justification of the scientific approach choice for formation of the most effective ways and means of reducing air pollution in the operation of power plants

    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

  • Application of a new scientific approach to the evaluation of the properties of dust generated by the drying drum of brick factories

    The authors (of the research) suggest choosing the most eco- and energy-efficient engineering system in order to purify the air of the dyrer drums dust. The choice should be made on the basis of the analysis and evaluation of the dust properties and determination of the control methods of the dust aerosol stability, which, eventually will ensure its effective destruction as a dispersed system in the air purification process.

    Keywords: inorganic dust, disperse system, characteristics of pollutant properties, manufacturing company in construction industry, labour safety, brick manufacture, dryer drum, energy parameters

  • The choice of the method of demercurization for the subsequent secondary use of mercury-containing waste

    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

  • Application of a new scientific approach to the assessing of grain dust properties

    The authors propose to choose the system of air purification from grain dust, which has the maximum ecological efficiency and energy efficiency, based on the study of the properties of this pollutant. Investigation of the grain dust parameters of the properties of the dispersed phase and dispersion medium, as well as energy parameters will affect the stability of the aerosol, i.e. its ability to resist external influences. Changing the stability of the grain dust aerosol and, ultimately, its destruction due to the separation of the dispersed phase and the dispersion medium, is the purpose of the development of air purification system.

    Keywords: grain dust, dispersed system, parameters of pollutant properties, energy parameters, stability of the pollutant

  • A mathematical description of efficiency of process of hydrodynamic palisadian foam layer of open source companies in the construction industry

    The article presents the physical essence of the method of hydrodynamic reduction of air pollution by foam method as the most effective technology palisadian open for extended sources. The mathematical description taking into account the physico-chemical properties of dust and a bubble of foam, and the parameters of the return to technological raw materials dust particles due to the different physical mechanisms of their capture. Parametric dependence of the efficiency of dust removal as a result of setting foaming method of palisadian provides the ability to forecast its calculation for the considered technology implementation process palisadian air bearing features of the interaction of dust with a layer of foam.

    Keywords: Palisadian, dust particles, method foam, foam layer, the efficiency of palisadian, belt conveyors

  • A modern approach to the assessment of the acoustic impact on the adjoining residential zone under construction or reconstruction of airport complexes

    In the article the modern approach to the assessment of the acoustic impact on the adjoining residential zone under construction or reconstruction of airport complexes. While the features of sources of acoustic impact as ground handling and flight operations. Assessment of acoustic impact on the adjoining residential zone under construction or reconstruction of airport complexes, according to the authors, involves several stages. The implementation proposed by the authors of the stages of the assessment of acoustic impact will allow to identify the zones of acoustic discomfort and plan a set of measures aimed at reducing noise in those areas and thus enhance environmental validity under construction or reconstruction of airport complexes.

    Keywords: assessment of acoustic impact of the construction of the airport complex, adjacent residential zone, the zone of acoustic discomfort

  • Scientific justification for building balance and environmental assessment of production flows in the manufacture of concrete products and structures plants of concrete products and structures

    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

  • Construction of a physical model of the process of air pollution for cement plants

    The article analyzes the state of urban air. It proved the impact of cement industry on air quality. The article also analyzed the technological process of cement production. As a result, built carrying circuit material flows. Carrying circuit material flows determined that dust is highly polluting air environment, because the dust is released at each stage of production. Analysis of the cement production process has allowed to identify the main objects that are involved in the process of air pollution, as well as to establish their relationship. The result is a physical model of the process of air pollution. Further, on the basis of a physical model of the process of pollution, it is possible to construct a physical model of the process of reduction of air pollution.

    Keywords: the air of the city environment, the process of cement production, carrying circuit material flows, physical model, process air pollution, cement dust

  • Analysis of Dendrological features formation of the functional territorial zones in Rostov-on-Don

    There are dendrological features of architectural design of the functional territorial zones taking into account environmental requirements enumerated in the paper. Particularly, we are talking about of the role of green spaces in residential, recreation and industrial zones and features of their selection for landscaping areas in natural and climatic conditions of Rostov-on-Don.

    Keywords: functional territorial zones, urban development, ecology, dendrology, the system of green spaces, architectural and planning solutions, greening of urban areas, landscaping, residential areas