Removing phosphorus compounds, especially phosphate, from water, by contacting with anionic polymer containing alkaline earth or heavy metal cation, also inhibiting algal growth

摘要

Removal of phosphorus compounds from water involves contacting the water with an anionic polymer (A) containing a cation selected from alkaline earth metal, iron (II), iron (III), aluminum, vanadium (V), ammonium, chromium (III), cobalt (II), copper (II), lead (II), manganese (III), silver (I), tin (II) and zinc ions.