lactic acid extraction from aqueous solutions with 2-Ethyl-1-hexanol by using experimental liquid-liquid equilibrium data at T=298.2K and atmospheric pressure
Publish place: Iranian Chemical Communication، Vol: 5، Issue: 1
Publish Year: 1395
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:
JR_ICC-5-1_002
تاریخ نمایه سازی: 2 مهر 1398
Abstract:
Liquid-Liquid equilibrium data for the (water + Lactic acid + 2-ethy-1-hexanol) ternary system in T=298.2K and P=1atm were determined and tie- lines related to equilibrium data has been drawn in the phases diagram . The reliability of the experimental tie-line data for this system was as confirmed by using the Hand and Othmer –Tobias correlations. The tie-line data were correlated by means of the UNIQUAC equation for this ternary system , The average root mean square deviation between the observed and calculated mass fractions was 0.66%. A comparison of the extracting capabilities of this solvent by 1-octanol was made with respect to distribution coefficients and separation factors bases. The results show that extraction of lactic acid from aqueous solutions by 2-Ethyl-1-hexanol is possible and 2-Ethyl-1-hexanol is more appropriate than the other octanol isomer.
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Authors
Hossein Ghanadzadeh
Department of Chemical Engineering, University of Guilan
Ali Ghanadzadeh
Department of Chemistry, Faculty of Science, University of Guilan
Behnam Hosseini nia
education
Adel Eftekhari
Education
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