Sludge fermentetion drying process for making fertilizer

A process for preparing granular fertilizer from sludge includes such steps as mixing, fermenting and baking. Its advantages are low cost and no environmental pollution. 本发明为一种以污泥为主要原料的颗粒肥料及其制备方法。该颗粒肥料为经混合、发酵、烘干工艺制得的圆形颗粒，直接成为有机肥料。本发明利用污泥，变废为宝，化害为利，整个工艺在封闭体系中进行，无环境污染，具有良好的经济效益和社会效益。...

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Bibliographische Detailangaben
Hauptverfasser:	GANG CHEN, TAIMING XU, GUOLIANG QUE
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	CHEMISTRY FERTILISERS MANUFACTURE THEREOF METALLURGY ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Beschreibung
Zusammenfassung:	A process for preparing granular fertilizer from sludge includes such steps as mixing, fermenting and baking. Its advantages are low cost and no environmental pollution. 本发明为一种以污泥为主要原料的颗粒肥料及其制备方法。该颗粒肥料为经混合、发酵、烘干工艺制得的圆形颗粒，直接成为有机肥料。本发明利用污泥，变废为宝，化害为利，整个工艺在封闭体系中进行，无环境污染，具有良好的经济效益和社会效益。