Abstract.The article provides the analysis of the physical essence and simulation of the process of dust retention with foam in the air of working zones of belt conveyors transporting sand, crushed stone, gravel, coal, grain. In accordance with the proposed physical-energy concept of simulation of the process of dust control its physical essence is in a deliberate sequential action on the dust particles with previously prepared by the parameters external (additional) dispersed systems. Use of dust retention technology foam method provides high efficiency of reducing the concentration of dust in the air of working areas of belt conveyors, which varies in the range of 85.0-99.0 %, which provides the standard level of dust contamination (MPC) in air of working areas of listed industrial sources of formation and emission of dust.
In the given article the authors offer an evidence-based technique for the solution of the problem of assessment and choice of the most ecologically effective and energetically economic technologies of air purification of toxic components of the departing and exhaust gases of objects in the conditions of urban environment. The technique development included consideration of a hydrodynamic method of flue gases purification of the toxic polluting substances on the basis of studying the physical features in course of the process, mathematical description of the method by criteria of ecological efficiency and energy efficiency parameter. At the final stage of the conducted research the technique of the assessment and choice of the most ecologically effective and energetically economic technologies of toxic components of the departing and exhaust gases of objects cleaning in the conditions of urban environment provided with algorithm for its realization has been developed.
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