Changing of internals of a column, with more efficient ones are?(a) Retrofitting(b) Refitting(c) Revamping(d) RecyclingI got this question at a job interview.My question is based upon Definition of Tray Area, Vapour Load and Liquid Load topic in section Tray Design and Operation of Distillation Design

Changing of internals of a column, with more efficient ones are?(a) Re

1.	Changing of internals of a column, with more efficient ones are?(a) Retrofitting(b) Refitting(c) Revamping(d) RecyclingI got this question at a job interview.My question is based upon Definition of Tray Area, Vapour Load and Liquid Load topic in section Tray Design and Operation of Distillation Design
Answer» Right ANSWER is (a) RETROFITTING Easiest EXPLANATION: Retrofitting is GENERALLY done to reduce energy consumption of the column, it ALSO increases the operating cost as well.

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