Processes for drying sewage sludge and filtering water

A process for drying and granulating sewage sludge. Wet sewage sludge is dried in either a thermal drying zone or a mechanical dewatering zone comprising a cylindrical chamber having a porous wall and a centrally mounted rotating helical screw conveyor which does not contact the porous wall. A plast...

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Bibliographische Detailangaben
1. Verfasser:	MAFFET, VERE
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING CHEMISTRY DRYING DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM FERTILISERS HEATING LIGHTING MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUTORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTINGOF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL MANUFACTURE THEREOF MECHANICAL ENGINEERING METALLURGY NAILING OR STAPLING MACHINES IN GENERAL ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE PERFORMING OPERATIONS TRANSPORTING TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE WEAPONS WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL
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