Method for treating wastewater with high phosphorus content and obtaining coated struvite slow-release fertilizer and application of coated struvite slow-release fertilizer

The invention provides a method for treating wastewater with high phosphorus content and obtaining a coated struvite slow-release fertilizer, which comprises the following steps: (1) adding alkali into ardealite leachate for pretreatment to obtain supernate; (2) adding a nitrogen-containing salt and...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	LIU MIN, FENG YICHEN, LIU XIAONING, HU HUISHU, LIU JIANTING, YU YUANKUN, JIANG MIAOTONG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	CHEMISTRY FERTILISERS FERTILISERS CHARACTERISED BY THEIR FORM MANUFACTURE THEREOF METALLURGY MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENTSUBCLASSES OF CLASS C05 MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVINGA SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES,SOIL-CONDITIONERS, WETTING AGENTS
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