Wet oxidation has been utilized for destruction of waste slurries such as sewage sludge without great success. It is an old idea. High pressures are necessary to maintain water in the liquid phase and corrosion is a very serious problem. I believe the almost commercial process was called Zimpro. Harry W. Parker, Ph.D., P.E. Professor of Chemical Engineering & Consulting Engineer Texas Tech University Lubbock, TX 79409-3121 806.742.1759 fax 742.3552 - Bioenergy List Archives: http://www.crest.org/discussion/bioenergy/current/ Bioenergy List Moderator: Tom Miles, tmiles@trmiles.com List-Post: <mailto:bioenergy@crest.org> List-Help: <mailto:bioenergy-help@crest.org> List-Unsubscribe: <mailto:bioenergy-unsubscribe@crest.org> List-Subscribe: <mailto:bioenergy-subscribe@crest.org> Sponsor the Bioenergy List: http://www.crest.org/discuss3.html - Other Bioenergy Events and Information: http://www.bioenergy2002.org http://solstice.crest.org/renewables/biomass-info/ http://solstice.crest.org/renewables/biomass-info/carbon.shtml