CONDITIONING, THICKENING, AND DEWATERING: RESEARCH UPDATE/RESEARCH NEEDS
Abstract:The production of biosolids that are amenable to beneficial reuse has become a high priority concern in wastewater treatment, influencing the selection, design, and operation of individual processes. Among these are the conditioning, thickening, and dewatering of wastewater sludges, which all play important roles in the conversion of sludges into biosolids. This paper briefly reviews current technology trends in these process areas, placing them in the context of overall exigencies for improved biosolids management. It is foreseen that conditioning, thickening and dewatering processes will need to operate at higher performance and reliability levels to maintain disposal and reuse flexibility. The chemistry of conditioning must be more clearly determined since secondary interactions of the conditioning additives may be important in ways that are not currently recognized.
Document Type: Research Article
Publication date: 2001-01-01
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