Group‐contribution estimation of activity coefficients in nonideal liquid mixtures
抄録
<jats:title>Abstract</jats:title><jats:p>A group‐contribution method is presented for the prediction of activity coefficients in nonelectrolyte liquid mixtures. The method combines the solution‐of‐functional‐groups concept with a model for activity coefficients based on an extension of the quasi chemical theory of liquid mixtures (UNIQUAC). The resulting UNIFAC model (<jats:italic>UNI</jats:italic>QUAC <jats:italic>F</jats:italic>unctional‐group <jats:italic>A</jats:italic>ctivity <jats:italic>C</jats:italic>oefficients) contains two adjustable parameters per pair of functional groups.</jats:p><jats:p>By using group‐interaction parameters obtained from data reduction, activity coefficients in a large number of binary and multicomponent mixtures may be predicted, often with good accuracy. This is demonstrated for mixtures containing water, hydrocarbons, alcohols, chlorides, nitriles, ketones, amines, and other organic fluids in the temperature range 275° to 400°K.</jats:p>
収録刊行物
-
- AIChE Journal
-
AIChE Journal 21 (6), 1086-1099, 1975-11
Wiley
- Tweet
詳細情報 詳細情報について
-
- CRID
- 1360292619617526784
-
- NII論文ID
- 80013312108
-
- ISSN
- 15475905
- 00011541
- http://id.crossref.org/issn/00011541
-
- データソース種別
-
- Crossref
- CiNii Articles