Advanced science.  Applied technology.


Pretreatment Processes for Heavy Oil and Carbonaceous Materials: 6,887,369


A process for treating a carbonaceous material includes reacting the carbonaceous material and a process gas in supercritical water to at least one of hydrotreat and hydrocrack the carbonaceous material to form a treated carbonaceous material. The process is preferably carried out in a deep well reactor, but can be carried out in conventional surface-based reactors at a temperature of at least 705° F. and a pressure of at least 2500 psi.

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David S. Moulton; Jimell Erwin