Yes, they are difficult. There is currently research here into ozone nanobubbles and hydrodynamic cavitation to try and break them down.  https://www.slideshare.net/MarkLobban/nanobubble http://www.nio.org/userfiles/file/events/s3-06.pdf There is also a powerpoint I can send with a section on ozone micro-bubbles for phenol removal.

Published by Andrew Tran, Engineer

Yes, they are difficult. There is currently research here into ozone nanobubbles and hydrodynamic cavitation to try and break them down. 

https://www.slideshare.net/MarkLobban/nanobubble

http://www.nio.org/userfiles/file/events/s3-06.pdf

There is also a powerpoint I can send with a section on ozone micro-bubbles for phenol removal.