Method for continuously generating highly concentrated ozone gas
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United States of America Patent
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Feb 5, 2002
Grant Date -
N/A
app pub date -
Nov 19, 1999
filing date -
May 22, 1998
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Abstract
A method for generating highly concentrated ozone gas by adsorbing ozone gas generated by an ozonizer with an absorbent within an adsorption column and then separating highly concentrated ozone gas from the adsorption column. Three adsorption columns are arranged in parallel. Each of the adsorption columns is controlled to repeat four steps of an ozone gas adsorbing step, a stabilizing and pressurizing step, an ozone gas desorbing step and a cooling down step. Each of the ozone gas adsorbing step and the ozone gas desorbing step has operation time set twice the operation time of each of the stabilizing and pressurizing step and the cooling down step. An ozone gas concentrating unit comprises three adsorption columns which are set to operate one after another by 1/3 cycle lag. Highly concentrated ozone gas separated at the desorbing step of each adsorption column is once stored in an ozone gas storage vessel.
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