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The Use of Cavitating Jets to Oxidize Organic Compounds in Water

Kalumuck, Kenneth M. and Chahine, Georges L. (2001) The Use of Cavitating Jets to Oxidize Organic Compounds in Water. In: CAV 2001: Fourth International Symposium on Cavitation, June 20-23, 2001, California Institute of Technology, Pasadena, CA USA. (Unpublished) http://resolver.caltech.edu/CAV2001:sessionA4.006

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Abstract

This paper reports on the application of hydrodynamic cavitation by the use of submerged cavitating liquid jets to trigger widespread cavitation and induce oxidation of organic compounds in the bulk liquid solution with a two order of magnitude increase in energy efficiency compared to the ultrasonic means. The results are compared to a bubble dynamics model that includes heat and mass transport, collective bubble effects, and a first order Arrhenius reaction rate model. Comparison of model results with experiment indicated the reactions were limited by contaminant transport to the bubble surface rather than by radical generation or the intensity of bubble collapse. Other findings are the desirability of operating at atmospheric ambient pressure and low driving pressures and of maximizing cavity surface area. These results suggest a great potential for the use of jet cavitation in practical scale waste treatment and remediation systems.


Item Type:Conference or Workshop Item (Lecture)
Additional Information:[Alternate URL: http://dynaflow-inc.com]
Subject Keywords:cavitation, oxidation, remediation, water jet
Record Number:CAV2001:sessionA4.006
Persistent URL:http://resolver.caltech.edu/CAV2001:sessionA4.006
Usage Policy:The papers of this symposium proceedings are protected by copyright, retained by the authors. Authors control translation and reproduction rights to these works. However, readers are granted permission for individual, educational, research and non-commercial reproduction, distribution, display and performance of this work in any format. This permission is in addition to rights of reproduction granted under Section 107, 108, and other provisions of the U.S. Copyright Act.
ID Code:128
Collection:CaltechCONF
Deposited By: Imported from CAV2001
Deposited On:01 Jun 2001
Last Modified:26 Dec 2012 07:09

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