13 Applications of Ultrasonics Based on Chemical Effects—Sonochemistry
13.1 INTRODUCTION
The applications discussed in this chapter are those in which the chemical effects are of primary interest. The chemical effects are never divorced from the mechanical activity and often both factors are important.
The influence of ultrasonic energy on chemical activity may involve any or all of the following: production of heat, promotion of mixing, promotion of intimate contact between materials, dispersion of contaminated layers of chemicals, and production of free chemical radicals. Production of free chemical radicals results from the high temperatures and stresses associated with cavitation.
This chapter is brief. Its brevity does not reflect ...
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