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Ultrasound Pretreatment of Sludge for Anaerobic Digestion

  • Kuan Yeow Show
  • Joo Hwa Tay
  • Yung-Tse Hung
Chapter
Part of the Handbook of Environmental Engineering book series (HEE, volume 11)

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.

Keywords

Sewage Sludge Anaerobic Digestion Volatile Solid Cavitation Bubble Total Coliform 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer Science+Business Media, LLC 2010

Authors and Affiliations

  • Kuan Yeow Show
    • 1
  • Joo Hwa Tay
    • 2
  • Yung-Tse Hung
    • 3
  1. 1.Faculty of Engineering and Green TechnologyUniversiti Tunku Abdul Rahman Jalan UniversityKamparMalaysia
  2. 2.Department of Environmental Science and EngineeringFudan UniversityShanghaiChina
  3. 3.Department of Civil and Environmental EngineeringCleveland State UniversityClevelandUSA

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