Glossary Terms

A sedimentary rock composed mostly of calcium carbonate (CaCO3), and usually some magnesium carbonate (MgCO3).

Hard water scale formed in pipes and vessels (generally more severe on the hot water side) containing a high percentage of calcium carbonate (CaCO3) or magnesium […]

A calcined chemical material, calcium oxide (CaO).

The presence in the effluent of the type of ions, present in the feedwater to be treated, which the ion exchange process was supposed to remove. […]

A heavy metal that is hazardous to health if breathed or swallowed. Its use in gasoline, paints, and plumbing compounds has been sharply restricted or eliminated […]

Linear Alkyl Sulfonate

A calculated number used to predict whether or not water will precipitate, be in equilibrium with, or dissolve calcium carbonate (CaCO3). It is sometimes erroneously assumed […]

The movement of fluid in a particular direction in a smooth, continuous, non-turbulent parallel layers, which do not mix with each other.

One thousand grams. (See gram.)