# Unit process

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A '''unit process''' is one or more grouped [unit operation](/source/unit_operation)s in a manufacturing system that can be defined and separated from others.

In [life-cycle assessment](/source/life-cycle_assessment) (LCA) and [ISO](/source/ISO) 14040,<ref>[https://www.iso.org/obp/ui/#iso:std:iso:14040:ed-2:v1:en:term:3.34 ISO Online Browsing Platform (OBP)-ISO 14040:2006(en)]</ref> a unit process is defined as "smallest element considered in the life cycle [inventory analysis](/source/inventory_analysis) for which input and output data are quantified".

== See also ==
* [Unit operation](/source/Unit_operation)

==References==
<references />

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Adapted from the Wikipedia article [Unit process](https://en.wikipedia.org/wiki/Unit_process) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Unit_process?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.