RECOVERY AGENT FOR AMMONIACAL NITROGEN AND PHOSPHORUS AND METHOD FOR PRODUCING THE SAME

摘要

PROBLEM TO BE SOLVED: To efficiently recover phosphorus that is contained in drainage including sewer in a large amount and whose depleting as a resource is pointed out, and to reuse it as a chemical fertilizer.;SOLUTION: A recovery agent for ammoniacal nitrogen and phosphorus is for recovering ammoniacal nitrogen and phosphorus from wastewater containing at least ammoniacal nitrogen and phosphorus, and comprises a composition represented by the general formula: (MO_α(MCO₃)_β) γSiO₂ δK₂O (0≤α≤1, 0≤β≤1, α+β=1, 0.1≤γ≤20, 0δ≤10, M: at least one of magnesium and calcium).;COPYRIGHT: (C)2013,JPO&INPIT