Hierarchy classification:

1. top of the aat hierarchies
2. Activities Facet
3. Processes and Techniques (hierarchy name)
4. [processes and techniques by specific type]
5. separating

Narrower term/s

• sieving[+]
  • wet sieving

Anotations

Scope note:

The process of passing a liquid or other material through a filter or porous medium in order to remove or separate solid particles or impurities. May also refer to the process of passing an electrical signal or other signal through a filter to remove excess noise or undesired frequencies.