Science glossary film: Filtration

The physical separation of a solid from a fluid carrier, either gas or liquid, by passing it through a medium that blocks particles above a certain size. The process is widely used in chemistry and industry to separate the products of chemical reactions. Filtering is also used in many everyday applications, such as water filters and tea bags.

The process is widely used in chemistry and industry to separate the products of chemical reactions. Filtering is also used in many everyday applications, such as water filters and tea bags.