Overview
ABSTRACT
Ultrasonic cleansing expanded remarkably along with industrial development in the second half of the twentieth century. This evolution is continuing, with the emergence of sonochemistry and the numerous research works it encompasses, thus opening up the prospect of new applications for ultrasound waves. This article firstly details ultrasounds at large, the effects induced by wave propagation as well as the application field of these ultrasounds. Sonochemistry and its various applications are then reviewed (organic synthesis, materials, the environment, electrochemistry) as well as sonochemical reactors .
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Read the articleAUTHORS
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Christian PÉTRIER: University Professor, University of Savoie (Chambéry)
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Nicolas GONDREXON: University Professor, Joseph-Fourier University (Grenoble)
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Primius BOLDO: Senior Lecturer, University of Savoie (Chambéry)
INTRODUCTION
Cleaning is probably the best-known and most remarkable example of the classic use of ultrasound in industry. In the field of sonochemistry, however, ultrasonic waves are rarely used. Even if the use of this technology in the fields of fine chemistry, synthetic chemistry, specialty chemistry or environmental chemistry is well known, it often remains confidential and, in the vast majority of cases, involves know-how that is deliberately kept secret.
Ultrasound, identified by the CNRS as one of the technologies of the 21st century, offers a unique means of activating transfer phenomena, as well as acting as a radical oxidation or pyrolysis agent.
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Ultrasound and sonochemistry
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