Water and Wastewater Terms Beginning D
A B C D E F G H I J K L M N O P Q R S T U V W Y Z
direct filtration
A method of treating water that consists of the addition of coagulant chemicals, flash mixing, coagulation, minimal flocculation, and filtration. The flocculation facilities may be omitted, but the physical-chemical reactions will occur to some extent. The sedimentation process is omitted. Also see conventional filtration and inline filtration.