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Dehydration of Slurry Fluids Using Contact and Non-Contact Ultrasonic Wave Technology > <

Overview

Most sludges are dewatered using mechanical dewatering systems that can bring the weight percentage of the sludge solids up to a maximum of about 40 TS%. This study examines a new way to enhance pressure-filter dewatering by adding ultrasound and electrokinetics. The ultrasound adds a “stripping action” to free up bound water, and the electrokinetics adds a “pumping action” to push the freed-up water out of the sludge. Ultrasound can disperse liquids into mist with a narrow size distribution.

J. Yagoobi

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nsf This material is based upon work supported by the National Science Foundation under Grant Number 1624767.

Any opinions, findings, and conclusions or recommendations expressed in this material are those of the author(s) and do not necessarily reflect the views of the National Science Foundation.

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