The Evolution of Sludge Thickening Practiceby Robert W. Okey, CRM Inc, United States,
Abstract: An analysis of contemporary thickening practice is presented with a brief review of the genesis of each type of thickening. A summary of thickening capital and operating costs for three treatment plant sizes (320, 3,200 and 16,000 kg of waste activated sludge/day) is included. The work also contains an appraisal of the possible effects of new sludge management regulations on thickening practice. Higher incineration temperature requirements may demand that thickening and dewatering operations produce a fuel with a higher caloric value.
Subject Headings: Assets | Waste treatment plants | Activated sludge | Incineration | Temperature effects | Dewatering
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