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COMPREHENSIVE ASSESSMENTS OF SCREW PRESSES FOR MUNICIPAL BIOSOLIDS DEWATERING

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Abstract:

Screw presses have been receiving a great deal of attention due to recent pilot testing results and studies which have demonstrated this technology's ability to effectively and efficiently dewater municipal wastewater biosolids. Currently this alternative is considered to be an innovative biosolids dewatering technology due to its limited number of full-scale installations and absence of long-term operating history within the United States. This paper reports on the findings of two screw press pilot tests, comparisons of screw presses to other viable biosolids dewatering technologies, and the inspection of several full-scale installations in Japan and Washington State. Three of these installations have been in operation for approximately twenty years.

Document Type: Research Article

DOI: https://doi.org/10.2175/193864705783815113

Publication date: 2005-01-01

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