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<emphasis role="bold">ROTARY DRUM THICKENER</emphasis>
<emphasis role="bold">ROTARY DRUM THICKENER</emphasis>A rotary drum thickener (also called a rotary screen thickener) basically consists of an internally fed rotary drum, an integral internal screw, and a variable- or constant-speed drive (see Figure 23.17). Both gravity belt and rotary drum thickeners allow free water to drain through a moving, porous media while retaining flocculated solids. In rotary drum thickeners, the rotating drum imparts centrifugal force to separate liquids and solids, while the internal screw transports thickened solids or s…
Water Environment Federation: Design of Municipal Wastewater Treatment Plants: WEF Manual of Practice No. 8 ASCE Manuals and Reports on Engineering Practice No. 76, Fifth Edition. ROTARY DRUM THICKENER, Chapter (McGraw-Hill Professional, 2010), AccessEngineering Export