Abstract
Ultrasound pretreatment of sludge has been examined in an effort to improve the hydrolysis rate in anaerobic digestion. The reactions that resulted from the generation and collapse of cavitation bubbles produced under the acoustic condition can significantly modify the substances present in the sludge. The principles of ultrasound that encompass acoustic cavitation and bubble dynamics, the mechanisms of biological damage and effects, the industrial applications of ultrasound, and the specific applications of ultrasound in environmental engineering are presented.
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Show, K.Y., Tay, J.H., Hung, YT. (2010). Ultrasound Pretreatment of Sludge for Anaerobic Digestion. In: Wang, L., Tay, JH., Tay, S., Hung, YT. (eds) Environmental Bioengineering. Handbook of Environmental Engineering, vol 11. Humana Press, Totowa, NJ. https://doi.org/10.1007/978-1-60327-031-1_2
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DOI: https://doi.org/10.1007/978-1-60327-031-1_2
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