# unit operation

> basic step in a process, involving a physical change or chemical transformation such as separation, crystallization, evaporation, filtration, polymerization, isomerization, and other reactions

**Wikidata**: [Q1816633](https://www.wikidata.org/wiki/Q1816633)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Unit_operation)  
**Source**: https://4ort.xyz/entity/unit-operation


## References

1. Freebase Data Dumps. 2013
2. KBpedia
3. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)