Acoustic cavitation and sonochemistry

L. Stricker

Research output: ThesisPhD Thesis - Research UT, graduation UTAcademic

117 Downloads (Pure)

Abstract

Sonochemistry is the use of cavitation for achieving a chemical conversion. When microbubbles are driven in the nonlinear regime, localized extreme temperatures (up to 10000 K) and pressures (up to 1000 bar) can be reached upon collapse, the surrounding liquid remaining ambient,thus giving origin to intriguing phenomena, such as light emission (sonoluminescence) and high temperature chemical reactions (sonochemistry). These reaction products then diffuse outside the bubble and dissolve inside the surrounding liquid. Due to their unstable nature, they are highly reactice and have therefore a vast potential for technological applications, eg. chemical synthesis, water cleaning, cells disruption and textile processing. However, sonochemical reactors are known to suffer from a lack of efficiency and controllability, which has until now prevented the large-scale employment of this technology. When we started the present study the challenge was to improve the efficiency of a sonochemical reactor, by reducing its dimensions to a micrometric scale, still retaining the possibility to control the precess.
Original languageEnglish
Awarding Institution
  • University of Twente
Supervisors/Advisors
  • Lohse, Detlef , Supervisor
  • Prosperetti, Andrea , Supervisor
Award date16 Jan 2013
Place of PublicationEnschede
Publisher
Print ISBNs9789036535007
DOIs
Publication statusPublished - 16 Jan 2013

Fingerprint

ultrasonic processing
cavitation flow
reactors
sonoluminescence
acoustics
textiles
controllability
liquids
retaining
reaction products
cleaning
light emission
chemical reactions
bubbles
synthesis
cells
water
temperature

Keywords

  • IR-85636
  • METIS-293863

Cite this

Stricker, L. (2013). Acoustic cavitation and sonochemistry. Enschede: Universiteit Twente. https://doi.org/10.3990/1.9789036535007
Stricker, L.. / Acoustic cavitation and sonochemistry. Enschede : Universiteit Twente, 2013. 203 p.
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Stricker, L 2013, 'Acoustic cavitation and sonochemistry', University of Twente, Enschede. https://doi.org/10.3990/1.9789036535007

Acoustic cavitation and sonochemistry. / Stricker, L.

Enschede : Universiteit Twente, 2013. 203 p.

Research output: ThesisPhD Thesis - Research UT, graduation UTAcademic

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T1 - Acoustic cavitation and sonochemistry

AU - Stricker, L.

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N2 - Sonochemistry is the use of cavitation for achieving a chemical conversion. When microbubbles are driven in the nonlinear regime, localized extreme temperatures (up to 10000 K) and pressures (up to 1000 bar) can be reached upon collapse, the surrounding liquid remaining ambient,thus giving origin to intriguing phenomena, such as light emission (sonoluminescence) and high temperature chemical reactions (sonochemistry). These reaction products then diffuse outside the bubble and dissolve inside the surrounding liquid. Due to their unstable nature, they are highly reactice and have therefore a vast potential for technological applications, eg. chemical synthesis, water cleaning, cells disruption and textile processing. However, sonochemical reactors are known to suffer from a lack of efficiency and controllability, which has until now prevented the large-scale employment of this technology. When we started the present study the challenge was to improve the efficiency of a sonochemical reactor, by reducing its dimensions to a micrometric scale, still retaining the possibility to control the precess.

AB - Sonochemistry is the use of cavitation for achieving a chemical conversion. When microbubbles are driven in the nonlinear regime, localized extreme temperatures (up to 10000 K) and pressures (up to 1000 bar) can be reached upon collapse, the surrounding liquid remaining ambient,thus giving origin to intriguing phenomena, such as light emission (sonoluminescence) and high temperature chemical reactions (sonochemistry). These reaction products then diffuse outside the bubble and dissolve inside the surrounding liquid. Due to their unstable nature, they are highly reactice and have therefore a vast potential for technological applications, eg. chemical synthesis, water cleaning, cells disruption and textile processing. However, sonochemical reactors are known to suffer from a lack of efficiency and controllability, which has until now prevented the large-scale employment of this technology. When we started the present study the challenge was to improve the efficiency of a sonochemical reactor, by reducing its dimensions to a micrometric scale, still retaining the possibility to control the precess.

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Stricker L. Acoustic cavitation and sonochemistry. Enschede: Universiteit Twente, 2013. 203 p. https://doi.org/10.3990/1.9789036535007