Heavy oil from underground oil sands or tar sands is liquified with recirculation of superheated water and when brought to the ground surface is then wet oxidized for its heat value. The sulphur content of the products of wet oxidation is then wet reduced to elemental sulphur for by-product. The carbon...http://www.google.fr/patents/US4246966?utm_source=gb-gplus-shareBrevet US4246966 - Production and wet oxidation of heavy crude oil for generation of power
Production and wet oxidation of heavy crude oil for generation of power
