Glossary
Water treatment before use. Dissolved matter

Adsorbent and adsorbate

Adsorption (not to be confused with absorption) always involves a solid (usually porous) known as an "adsorbent" and a solute in the liquid or gaseous phase known as an "adsorbate," which can attach itself to the surface of the adsorbent.

Bulk density

This is the flow rate of the feed water through a filter relative to the volume of material contained in the filter. Expressed in m³/(h·m³) or in h^–1, the volumetric load is primarily used in ion exchange, adsorption, and filtration processes involving various materials.

French degree (°F)

This is a unit of titration (similar to concentration) used for ionized mineral compounds in water (natural salts), corresponding to one-fifth of a milliequivalent per liter of water (1°f = 1/5 me/L). The number of milliequivalents per liter is the product of the concentration...