Minimum reflux conditions, part I: Theory | Zendy

Nandakumar K. | Zendy; Andres R. P. | Zendy

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Minimum reflux conditions, part I: Theory

Author(s) -

Nandakumar K.,

Andres R. P.

Publication year - 1981

Publication title -

aiche journal

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.958

H-Index - 167

eISSN - 1547-5905

pISSN - 0001-1541

DOI - 10.1002/aic.690270314

Subject(s) - reflux , fractional distillation , limit (mathematics) , distillation , mathematics , variable (mathematics) , flash evaporation , thermodynamics , calculus (dental) , chemistry , chromatography , mathematical analysis , physics , medicine , disease , dentistry , pathology

This paper presents a new formulation of the infinite plate or minimum reflux limit of a multicomponent distillation column. Based on this model, two new calculation methods are developed. The first is a short‐cut method which extends Underwood's classic minimum reflux treatment to variable molar overflow situations. The second is a rigorous method which is similar to a multicomponent flash calculation and represents a significant computational advance over other rigorous methods.

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