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On the Relation between Ideal and Real Mixtures in Multicomponent Distillation
Author(s) -
Vogelpohl A.
Publication year - 2002
Publication title -
chemical engineering and technology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.403
H-Index - 81
eISSN - 1521-4125
pISSN - 0930-7516
DOI - 10.1002/1521-4125(20020910)25:9<869::aid-ceat869>3.0.co;2-9
Subject(s) - distillation , ideal (ethics) , continuous distillation , simple (philosophy) , constant (computer programming) , chemistry , batch distillation , algebraic number , process engineering , thermodynamics , fractional distillation , mathematics , chromatography , computer science , engineering , mathematical analysis , physics , philosophy , epistemology , programming language
A complete mathematical solution exists for the distillation of ideal multicomponent mixtures, i.e., mixtures with constant relative volatilities, allowing to answer all questions arising in the distillation of such mixtures by relatively simple algebraic equations. As shown in this paper, the distillation of a real mixture of any complexity may – at least qualitatively – be reduced to the distillation of an ideal mixture. The understanding of the distillation behavior of complex real mixtures is thus greatly simplified and useful both in the design as well as the operation of multicomponent distillation columns.