Industrial waters containing dissolved or suspended contaminants are treated by turbulently mixing the contaminated water with a composition comprising a discontinuous phase of gas in the form of spherical bubbles having a narrowly distributed size of at least about 12 microns and each encapsulated in...http://www.google.se/patents/US4417985?utm_source=gb-gplus-sharePatent US4417985 - Treatment of waters with broad spectrum contaminants
