The problem of molar enthalpy calculation in the rigorous calculations for multi-component separation in separation engineering
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I have been working on my graduation thesis recently, conducting detailed calculations of distillation columns using the simultaneous correction method (SC method). Could the experts tell me what the values are for the equilibrium length constant of hydrogen, as well as the constants in the molar enthalpy polynomials for the gas and liquid phases? (As shown in A, B, C, a, b, c of the figure.) . . ) I searched through many sources but couldn’t find it
Why not use software for calculations?
At constant pressure and constant volume, enthalpy is related to CP and CV; for example, dH = CP×dT. The temperature dependence of CP can be determined, and by integrating this expression, the coefficient of H can also be found