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Thermodynamic equilibrium in the synthesis of dimethyl ether from synthesis gas

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Abstract

Chemical equilibrium in dimethyl ether synthesis from synthesis gas was studied thermodynamically over wide ranges of gas compositions and process parameters.

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Abbreviations

Ai :

ith component of the reaction mixture

a i :

activity coefficient of the ith component

C i :

concentration of the ith component, vol %

F :

(C1

C 2)/(C2 :

C3)-functional characterizing the composition of synthesis gas

f i :

fugacity of thepth component

G :

Gibbs free energy, J/mol

K :

equilibrium constant

m k1 :

number of atoms of the kth chemical element in a molecule of the ith component

n i :

concentration of the ith component, mol/1

p :

pressure, atm

R :

universal gas constant, J/(mol K)

S :

entropy, J/(mol K)

T :

temperature, K

V :

molar volume, 1/mol

υ:

chemical potential

v:

stoichiometric coefficient

X:

extent of a reaction

i:

1, H2; 2, CO; 3, Co2; 4, N2; 5, H2O; 6, CH3OH; 7, CH3OCH3

O:

initial state

e:

equilibrium state

References

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Authors and Affiliations

  1. Boreskov Institute of Catalysis, Siberian Division, Russian Academy of Sciences, pr. akademika Lavrent’eva 5, 630090, Novosibirsk, Russia

    V. D. Meshcheryakov & V. A. Kirillov

Authors
  1. V. D. Meshcheryakov
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  2. V. A. Kirillov
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Meshcheryakov, V.D., Kirillov, V.A. Thermodynamic equilibrium in the synthesis of dimethyl ether from synthesis gas. Theor Found Chem Eng 34, 85–89 (2000). https://doi.org/10.1007/BF02757470

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  • DOI: https://doi.org/10.1007/BF02757470

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