PHOSPHORUS RECOVERY AGENT AND METHOD FOR PURIFYING WASTEWATER USING THE SAME

摘要

PROBLEM TO BE SOLVED: To provide a phosphorus recovery agent capable of recovering phosphorus from wastewater effectively, and reusable as a phosphatic fertilizer under acid soil, and to provide a method for purifying wastewater using the same.;SOLUTION: The phosphorus recovery agent is monohydrocalcite obtained by precipitation formation by mixing soluble carbonate or an aqueous solution of carbonate with an aqueous solution containing Mg²⁺ ion and Ca²⁺ ion in a ratio satisfying Mg/Ca=0.3 or more.;COPYRIGHT: (C)2012,JPO&INPIT