Ozonation process
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Aug 14, 2001
Grant Date -
N/A
app pub date -
Jun 16, 2000
filing date -
Jun 16, 2000
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A liquid such as water is sequentially treated with an ozone containing gas in at least two steps. During the first step, the liquid is treated with a first ozone containing gas which contains ozone at a first concentration. During the second step, the liquid is treated with a second ozone containing gas which contains ozone at a second concentration that is higher than the first concentration.
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