METHOD FOR PRODUCING PHOSPHOROUS FERTILIZER

[PROBLEM] To recover phosphorous from sewage water at low cost and obtain a high-quality phosphate fertilizer. [SOLUTION] A method for producing a phosphate fertilizer, which comprises bringing phosphorous in a sewage S1 in a sewage-treatment plant into contact with a calcium-containing recovery mat...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	IMAI, TOSHIO, IWATA, TAKASHI, MINOWA, NOBUTAKA, MIURA, KEIICHI, IWAKAWA, HIROAKI, TODA, MASAYA, AKETO, TSUYOSHI
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CHEMISTRY FERTILISERS MANUFACTURE THEREOF METALLURGY ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE PHOSPHATIC FERTILISERS TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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