METHOD FOR TREATMENT OF PHOSPHATE-CONTAINING SLUDGE

PURPOSE:To recover phosphates and inorganic salts efficiently by a method wherein a phosphate-containing sludge formed by flocculation is dissolved in a mineral acid and then it is contacted to a specified chelating ion exchange resin. CONSTITUTION:The phosphate-containing sludge is treated with a m...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	HIRAI MASAHIDE, SAKAIDA TSUTOMU, FUJIMOTO HIRONAMI
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY METALLURGY TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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