This work is devoted to studying the compositions of coexisting phases in chemical equilibrium at 298.15 K and atmospheric pressure. The system under investigation is acetic acid - -butyl alcohol - -butyl acetate - water. The esterification/hydrolysis reaction was carried out in the presence of a catalyst (hydrochloric acid). All results are presented in the corresponding concentration spaces. For better visualization, the compositions of chemically equilibrated phases are shown in the square of concentration α-variables. A comparative analysis of the obtained results is provided. Correlation of the experimental data using the NRTL model demonstrated satisfactory agreement between the calculated and experimental compositions.
M.A. Toikka (Wed,) studied this question.
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