Modeling continuous adiabatic nitration of benzene

Authors

  • Сергей Алексеевич Кондратов Institute of Chemical Technology Volodymyr Dahl’s East Ukrainian National University Lenina street 31, Rubezhnoye, Luhans'ka oblast, 93010, Ukraine
  • Анна Александровна Красильникова Institute of Chemical Technology Volodymyr Dahl’s East Ukrainian National University Lenina street 31, Rubezhnoye, Luhans'ka oblast, 93010, Ukraine

DOI:

https://doi.org/10.15587/1729-4061.2013.19128

Keywords:

adiabatic nitration, benzene, mathematical model, composition of phases, pressure, temperature, concentration

Abstract

The regularities of adiabatic nitration of benzene to nitrobenzene with a simultaneous distillation of the reaction products were investigated on the mathematical model developed by the authors. The influence of molar input ratio benzene - nitric acid, pressure in the system, mass temperature at the input on the composition of liquid and vapor phases at the output was studied. It was shown that carrying out the process under the residual pressure of 450 mm Hg allows to fully transfer the products to the vapor phase due to the heat of reaction and to obtain the spent sulfuric acid with the concentration not less than 80 %, which can be used for nitrate mixture preparation without additional consolidation. The obtained results indicate that in the process of adiabatic nitration, unlike the classical method, two output mixtures can be obtained: sulfuric acid  nitrobenzene (bottom products) and benzene - nitrobenzene - water. In order to extract commercial nitro­benzene, they should be treated separately.

Author Biographies

Сергей Алексеевич Кондратов, Institute of Chemical Technology Volodymyr Dahl’s East Ukrainian National University Lenina street 31, Rubezhnoye, Luhans'ka oblast, 93010

Dr. Sc. (chemistry), Professor

The head of the department of mathematics and computer technologies

Анна Александровна Красильникова, Institute of Chemical Technology Volodymyr Dahl’s East Ukrainian National University Lenina street 31, Rubezhnoye, Luhans'ka oblast, 93010

Postgraduate

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Published

2013-12-17

How to Cite

Кондратов, С. А., & Красильникова, А. А. (2013). Modeling continuous adiabatic nitration of benzene. Eastern-European Journal of Enterprise Technologies, 6(6(66), 15–19. https://doi.org/10.15587/1729-4061.2013.19128

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 Сергей Алексеевич Кондратов, Анна Александровна Красильникова

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