Glossary of Water and Wastewater Terms
A B C D E F G H I J K L M N O P Q R S T U V W Y Z5 random terms from our glossary
SAR (sodium adsorption ratio)
A ratio that expresses the relative activity of sodium ions in the exchange reactions with soil.
haloacetic acid (HAA) (HAL-o-uh-SEE-tick)
A class of disinfection byproducts, formed mainly during the chlorination of water, containing natural organic matter. HAA5 is the sum of the concentrations, in milligrams per liter, of 5 haloacetic acid compounds.
HGL
See hydraulic grade line.
polysaccharide (poly-SAC-uh-ride)
A carbohydrate, such as starch or cellulose, composed of chains of simple sugars.
conventional treatment
In POTWs, the common wastewater treatment processes such as preliminary treatment, sedimentation, flotation, trickling filter, rotating biological contactor, activated sludge, and chlorination. In pretreatment facilities, hydroxide precipitation of metals processes.
