A mathematical description of the separation of gas mixtures generated by the thermal utilization of waste

Authors

  • Сергей Александрович Вамболь National University Of Civil Protection Of Ukraine 94 Chernishevska str., Kharkiv, Ukraine, 61000, Ukraine https://orcid.org/0000-0002-8376-9020
  • Юрий Васильевич Шахов National Aerospace University "Kharkiv Aviation Institute" 17 Chkalova str., Kharkiv, Ukraine, 61070, Ukraine https://orcid.org/0000-0003-1228-981X
  • Виола Владиславовна Вамболь National Aerospace University "Kharkiv Aviation Institute" 17 Chkalova str., Kharkiv, Ukraine, 61070, Ukraine https://orcid.org/0000-0002-8229-3956
  • Илья Иванович Петухов National Aerospace University "Kharkiv Aviation Institute" 17 Chkalova str., Kharkiv, Ukraine, 61070, Ukraine https://orcid.org/0000-0002-0645-7912

DOI:

https://doi.org/10.15587/1729-4061.2016.60486

Keywords:

utilization, waste, environmental safety, multi-component gas mixtures, low-temperature separation, source of energy

Abstract

The study focuses on the problems of the mathematical description of separating the flows of gas mixtures in the technological process of an environmentally-friendly utilization of waste. The devised mathematical calculation models use the conventional ratios of thermodynamics and the heat-and-mass exchange, including the Peng-Robinson equation of state (PR EOS) for describing the coefficients of thermal and physical properties of the working media. These models represent systems of equations that allow determining the temperatures of the coolant and the cooling air at the outlet of the heat exchanger with predetermined ratios of the mass of coolant and the air flow. In addition, the suggested equation systems allow determining the component composition of the product that is a part of the rectifying column and its output final products. The calculation shows that the rectifying column generates two flows of a gas mixture. The first flow is a gas mixture with a methane content of 89.2% and, therefore, is a valuable motor fuel for vehicles or a fuel for household purpose. The second flow of the gas mixture, given its high hydrogen content (about 34.0%), may be used as a source of energy for maintaining the gasification of waste during its utilization. The preparation of such energy sources makes the waste utilization process cost-effective.

Establishing links between the functional elements that are used in a power technology plant allows devising a system of equations for the entire plant. The subject of further research is the mathematical description of the entire system and the selection of an acceptable option of the PTP arrangement that would facilitate its practical implementation.

Author Biographies

Сергей Александрович Вамболь, National University Of Civil Protection Of Ukraine 94 Chernishevska str., Kharkiv, Ukraine, 61000

Doctor of Technical Sciences, Professor, Head of the Department

Department of applied mechanics

Юрий Васильевич Шахов, National Aerospace University "Kharkiv Aviation Institute" 17 Chkalova str., Kharkiv, Ukraine, 61070

Senior researcher

Department of Aerospace Thermal Engineering 

Виола Владиславовна Вамболь, National Aerospace University "Kharkiv Aviation Institute" 17 Chkalova str., Kharkiv, Ukraine, 61070

PhD, Associate Professor

Department of chemistry, environmental science and technologies of expertise

Илья Иванович Петухов, National Aerospace University "Kharkiv Aviation Institute" 17 Chkalova str., Kharkiv, Ukraine, 61070

PhD, Associate Professor

Department of Aerospace Thermal Engineering 

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Published

2016-02-28

How to Cite

Вамболь, С. А., Шахов, Ю. В., Вамболь, В. В., & Петухов, И. И. (2016). A mathematical description of the separation of gas mixtures generated by the thermal utilization of waste. Eastern-European Journal of Enterprise Technologies, 1(2(79), 35–41. https://doi.org/10.15587/1729-4061.2016.60486