1985•OSTI OAI (U.S. Department of Energy Office of Scientific and Technical Information)Requires access

Application of dissolved air flotation in biological waste-treatment plants (primary clarification, secondary clarification, and sludge thickening), and water-purification plants. Report for 1981-1985

Milos Krofta, L.K. Wang

Abstract

Applications of dissolved air flotation (DAF) in a biological-waste treatment plant as a primary clarifier (primary flotation), a secondary clarifier (secondary flotation), and a sludge thickener (flotation thickener) are studied and experimentally evaluated. Application of DAF in a water-purification plant is also studied. After completion of laboratory experiments, parallel comparison between conventional system and innovative DAF system is made from both technological and economical view points. Design criteria of innovative DAF systems are generated from laboratory and pilot-plant testings.

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Available abstract

Key concepts: Clarifier, Dissolved air flotation, Pilot plant, Waste management, Secondary treatment, Thickening, Environmental science, Primary (astronomy)