unit operation
Noun
Meaning
English Wikipedia has an article on:unit operationWikipedia
unit operation (plural unit operations)
Any simple step in a multi-step chemical engineering process; examples include distillation, evaporation, mixing, filtration, crystallization etc.
Examples
Especially in the production of polymers, the gas separation by membranes has acquired increasing importance in the petrochemical industry and is now a relatively well-established unit operation.
Project engineering jobs are some of the largest employers for chemical engineers. citation Process design and analysis main A unit operation is a physical step in an individual chemical engineering process.