Organic sewage field returning method

The invention discloses an organic sewage field returning method which comprises the following steps: S1, sampling and testing sewage subjected to anaerobic fermentation, and detecting components and heavy metal indexes in the sewage; s2, instant auxiliary materials are added into the sewage, the au...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	LIU KEYOU, LIU WEIQIANG
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 ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
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