Process of putting liquid alum (Aluminum Sulfate) into the lake water, to precipitate to a floc that settles through the water column removing fine particles to the sediment and building up a barrier layer to contain soluble phosphorus in the lake sediments.
ALUM TREATMENT
Meaning of ALUM TREATMENT in English
Environmental engineering English vocabulary. Английский словарь экологического инжиниринга. 2012