World Journal of
Pharmaceutical and Life Sciences

( An ISO 9001:2015 Certified International Journal )

An International Peer Reviewed Journal for Pharmaceutical and Life Sciences
An Official Publication of Society for Advance Healthcare Research (Reg. No. : 01/01/01/31674/16)
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Prof. Dr. Kishor Dholwani, Kushal Nandi, *Prof. Dr. Dhrubo Jyoti Sen, Prodipta Bhattacharyya and Dr. Dhananjoy Saha


Distillation is a unit operation which involves separation of a vaporizable component from a multi?component system and subsequent condensation of vapours. The pressure exerted by the vapor at the equilibrium state is termed as the vapor pressure of the liquid. The opposite process of this vaporization is called condensation. At equilibrium, the rates of these two processes are same. In order to model the vapor temperature, the Murphree efficiency equation is used to calculate the change of vapor temperature between vapor inlet temperature and liquid outlet temperature, which will only be reached at full efficiency. As a result, vapor temperature will be much nearer to its dew point, which better matches reality.

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