BORON-REMOVING AGENT UTILIZING XEROGEL, AND BORON REMOVAL METHOD

摘要

Disclosed is a boron removal method which can remove boron from a boron-containing aqueous solution satisfactorily by using a small quantity of a chemical agent, and which hardly produces any precipitate. Also disclosed is a boron-removing agent which is easy to handle and has excellent boron-adsorption ability. A xorogel of an organic polymeric compound having a cis-type diol structure and a water-soluble salt of an alkali earth metal are added to a boron-containing water under alkaline conditions.