Sterilisation of liquids in hermetically closed vessels
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United States of America Patent
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May 27, 2014
Grant Date -
May 26, 2011
app pub date -
Mar 20, 2008
filing date -
Mar 21, 2007
priority date (Note) -
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Abstract
A process for the sterilization of hermetically sealed containers containing a liquid to be sterilized, comprising transport of the containers to a treatment zone where the containers are immersed in a flux of external fluid, the heating in volume of the liquid to be sterilized by electromagnetic waves at a rate greater than 28° C. per second to a treatment temperature T of between 20° C. and 66° C., agitation of the container during heating of the liquid, and dependant on the value of the treatment temperature T, exposure of the liquid to an alternating electric field in pulses immediately or slightly after heating of the liquid.
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