Simulation of hydrodynamic conditions for hydrocarbon feedstocks cracking in melts

Authors

  • Марат Аронович Гликин Technological Institute of V. Dal East-Ukrainian National University (Severodonetsk) Sovetskiy 59-а, Severodonetsk, Ukraine, 93400, Ukraine
  • Евгений Юрьевич Черноусов Technological Institute of V. Dal East-Ukrainian National University (Severodonetsk) Sovetskiy 59-а, Severodonetsk, Ukraine, 93400, Ukraine
  • Евгений Иванович Зубцов Technological Institute of V. Dal East-Ukrainian National University (Severodonetsk) Sovetskiy 59-а, Severodonetsk, Ukraine, 93400, Ukraine

DOI:

https://doi.org/10.15587/1729-4061.2013.19139

Keywords:

hydrodynamics, gas-liquid system, ascent rate, gas content, interfacial area

Abstract

The paper considers the main problems of hydrodynamics of gas-liquid systems in relation to the developed process of crude hydrocarbon cracking in melts. The experimental study of hydrodynamic conditions was conducted by physical modeling at objects with similar physicochemical properties. The purpose of the research was to develop a methodology for determining the contact time and the interfacial area for the cracking process. Based on the experimental data, the formulas, the most suitable for the calculation of hydrodynamic parameters of sparging in melts were selected among the available in the literature. The boundaries of hydrodynamic regimes were defined. The experimental results showed the effect of the height of melt layer, diameter of the crude feeding tube, melt properties  and space velocity of crude feeding on the time of bubbles ascent and the size of interfacial area. In laboratory experiments on the cracking of hydrocarbons in melts at the bubble mode of sparging (the specified gas velocity no more than 0.2 - 0.3 m/s), the contact time may vary from 0.1 to 0.5 s and a specific interfacial area from 50 to 1800 m2/m3. To achieve the maximum interfacial area, it is recommended to carry out the cracking of hydrocarbons in the melts in the foam mode at the gas phase velocity of 0.3 - 0.5 m/s.

Author Biographies

Марат Аронович Гликин, Technological Institute of V. Dal East-Ukrainian National University (Severodonetsk) Sovetskiy 59-а, Severodonetsk, Ukraine, 93400

Professor

Department of technologies of organic substances, fuels and polymers

Евгений Юрьевич Черноусов, Technological Institute of V. Dal East-Ukrainian National University (Severodonetsk) Sovetskiy 59-а, Severodonetsk, Ukraine, 93400

Ph. D.

Department of technologies of inorganic substances and ecology

Евгений Иванович Зубцов, Technological Institute of V. Dal East-Ukrainian National University (Severodonetsk) Sovetskiy 59-а, Severodonetsk, Ukraine, 93400

Ph. D.

Department of technologies of inorganic substances and ecology

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Published

2013-12-17

How to Cite

Гликин, М. А., Черноусов, Е. Ю., & Зубцов, Е. И. (2013). Simulation of hydrodynamic conditions for hydrocarbon feedstocks cracking in melts. Eastern-European Journal of Enterprise Technologies, 6(6(66), 27–32. https://doi.org/10.15587/1729-4061.2013.19139

Issue

Vol. 6 No. 6(66) (2013): Technology of organic and inorganic substanse

Section

Technology organic and inorganic substances

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Copyright (c) 2014 Марат Аронович Гликин, Евгений Юрьевич Черноусов, Евгений Иванович Зубцов

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