METHOD AND REMOVING AGENT FOR REMOVING HEAVY METAL ION

摘要

PROBLEM TO BE SOLVED: To provide a method for removing the dissolved heavy metal ion contained in water effectively and while sludge quantity to be generated is reduced and to provide a heavy metal ion removing agent used for the method. SOLUTION: In the method for removing the heavy metal ion contained in the water, the dissolved heavy metal ion contained in the water is insolubilized by charging and dispersing the removing agent consisting of the mixture of an anion group-containing hydrophilic polymeric material, an alkaline material and a harmless polyvalent metal compd. at need into the water in the form of powder or aq. soln.