Interfacial purifying apparatus using tourmaline
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United States of America Patent
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-
Sep 1, 1998
Issued Date -
N/A
app pub date -
May 19, 1997
filing date -
Oct 3, 1989
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Ceramic spheres containing crystallites of the popular crystal tourmaline are produced by sintering. Water that has flowed through a vessel containing a large amount of the ceramic spheres has been found to show interface activity, such as emulsification, washing and permeation. This activity endures for a couple of days. An excess of isolated hydroxil ion (H.sub.3 O.sub.2)-occurring in the water likely causes the activity.
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