Plasma inactivation of food-related microorganisms in liquids

This paper reports on a plasma process that inactivates microorganisms in liquids through the application of high-voltage pulses. These pulses result in breakdown of the gas and liquid layers, producing many active species such as UV photons, ozone, free radicals and free electrons. Several test mic...

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Bibliographic Details
Published in:Radiation physics and chemistry (Oxford, England : 1993) England : 1993), 2002-11, Vol.65 (4), p.507-513
Main Authors: Marsili, Lisa, Espie, Steven, Anderson, John G., MacGregor, Scott J.
Format: Article
Language:English
Subjects:
Gas sparging
Microorganism inactivation
Ozone
Plasma discharge in liquids
Pulsed electric field
UV light
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Summary:This paper reports on a plasma process that inactivates microorganisms in liquids through the application of high-voltage pulses. These pulses result in breakdown of the gas and liquid layers, producing many active species such as UV photons, ozone, free radicals and free electrons. Several test microorganisms representing a range of problematic microorganisms were investigated. Significant reductions in microbial population were achieved, demonstrating the effectiveness of using the plasma discharge process to treat contaminated liquids.
ISSN:0969-806X
1879-0895
DOI:10.1016/S0969-806X(02)00367-5