Method for treating waste water

A method for treating phosphate-containing waste water comprising treating phosphate-containing waste water with a metal hydroxide complex as a phosphate adsorbent represented by formula (1):M1-x2+Mx3+(OH-)2+x-y(An-)y/n(1)wherein M2+ represents at least one divalent metal ion selected from the group...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	SATO, TOSHIO, OONISHI, SHOUICHI, KOIZUMI, TOMOHIDE, MIHARA, MIKIKO, OOKUBO, AKIRA, SUZUKI, TAKASHI
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS METALLURGY TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ARTCOLLECTIONS [XRACs] AND DIGESTS TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Beschreibung
Zusammenfassung:	A method for treating phosphate-containing waste water comprising treating phosphate-containing waste water with a metal hydroxide complex as a phosphate adsorbent represented by formula (1):M1-x2+Mx3+(OH-)2+x-y(An-)y/n(1)wherein M2+ represents at least one divalent metal ion selected from the group consisting of Mg2+, Ni2+, Zn2+, Fe2+, Ca2+ and Cu2+, M3+ represents at least one trivalent metal ion selected from the group consisting of Al3+ and Fe3+, An- represents n-valent anion, 0.1