A
''unit process
'' is one or more grouped operations in a manufacturing system that can be defined and separated from others.
In
life-cycle assessment
Life cycle assessment or LCA (also known as life cycle analysis) is a methodology for assessing environmental impacts associated with all the stages of the life cycle of a commercial product, process, or service. For instance, in the case ...
(LCA) and
ISO 14040,
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 for which input and output data are quantified".
See also
* Unit operation
In chemical engineering and related fields, a unit operation is a basic step in a process. Unit operations involve a physical change or chemical transformation such as separation, crystallization, evaporation, filtration, polymerization, isomerizat ...
References
{{DEFAULTSORT:Unit Process