An Analogy between Fractional Distillation and Separating Physically Fit and Physically Less Fit Persons

Doble Mukesh
ICI India R&T Centre, PO Box 155, Thane Belapur Rd, Thane 400601, India
J. Chem. Educ., 2001, 78 (2), p 211
DOI: 10.1021/ed078p211
Publication Date (Web): February 1, 2001
History, Education, and Documentation

Abstract

Separating two liquids in a fractional distillation column on the basis of their difference in boiling points is analogous to separating a group of people on the basis of their physical fitness by making them climb a flight of stairs. Several aspects of this unit operation such as column height, flooding, and reflux ratio are explained with the help of this analogy.

Keywords (Audience):

High School / Introductory Chemistry

Keywords (Domain):

Chemical Engineering

Keywords (Feature):

Applications and Analogies

Keywords (Pedagogy):

Analogies / Transfer

Keywords (Subject):

Separation Science
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  • Received: August 03, 2009

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