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  • 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

  • Analysis of the application of self-cleaning concrete in the world practice of construction

    The article deals with the improvement of air quality in the environment through the use of self-cleaning building materials. The photocatalysis process is analyzed. Examples of realized objects with self-cleaning materials are given.

    Keywords: urban pollution, air purification, self-cleaning building materials, photocatalysis, photocatalytic reactions, self-washing

  • "Multi-hierarchical model of enterprise management in natural language "

    The possibility of applying multi-hierarchical models of organization and management of a construction enterprise is being studied. The problem is considered from the point of view of effective document circulation and communication in a natural language. Organizational schemes for automated data processing are proposed

    Keywords: Applied linguistics, communication, document management, organization of construction, enterprise management, ACS

  • Optimization of heating and ventilation of the room with the use of utilization of flue gases

    the article presents the ways to implement the concept of using the secondary energy potential suitable for a less energy-intensive system. The positive aspects of the use of waste gas heat for heating the premises, as well as methods of optimization of processes, in order to improve the efficiency of the system and the preservation of temperature and gas conditions that meet the conditions of permanent residence of a person in the service area

    Keywords: energy saving, energy resources, wasteful consumption of resources, energy sources, heating, ventilation, efficiency, loss minimization, utilization of flue gases, optimization, engineering solutions