Unit Process and Unit Operations

What is Unit Process and Unit Operations? How they are different from one another?

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  • Jul 22nd, 2010

The process which involves chemical rxn is called unit process(eg-all chemical rxns). The process which involves only physical change is called unit operations(eg- screerning).

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The process which involves chemical reaction is called unit process like chemical reactions, chemisorption, nitration, where as the process which involves only physical change is called as unit operation like distillation, physical adsorption etc.


  • Sep 28th, 2012

Correction of Bernoulli equation for fluid friction

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kiran kumar

  • Sep 3rd, 2014

Only physical change unit operation physical and chemical change unit process

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suraj kumar

  • Jun 19th, 2015

Unit operation is a physical changes only but unit process is a chemical changes.

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Kingsuk Karmakar

  • Aug 14th, 2017

In process where only chemical changes occurs that is called Unit Process and where no chemical changes occurs only physical changes occurs that is called Unit Operation.

Unit Process example like different type of reaction Reduction, Hydrogenation, Dehydrogenation and other all.

Unit Operation example like Distillation, Separation, Drying, Milling etc.

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  • Nov 28th, 2017

Unit process includes chemical change where as unit operation includes physical change

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