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Conditions of Supercritical Water for Good Miscibility with Heavy Oils
Supercritical water Heavy oil Dielectric constant Solubility parameter
2010/9/8
Through comparisons of dielectric constant (ε) and Hansen solubility parameter (HSP) of supercritical water (SCW) with those of typical solvents, conditions of SCW which has good miscibility with heav...
Effective Demetalization and Suppression of Coke Formation Using Supercritical Water Technology for Heavy Oil Upgrading
Heavy oil Upgrading Supercritical water
2009/8/4
In this study, a new upgrading method with supercritical water was developed for heavy oil in order to produce light oil that was free from heavy metal and heavy hydrocarbon fraction under coke suppr...
Desulfurization of Bitumen by Hydrothermal Upgrading Process in Supercritical Water with Alkali
Bitumen Upgrading Supercritical water Desulfurization Benzothiophene
2009/7/27
Hydrothermal desulfurization was evaluated for the upgrading of bitumen in supercritical water with alkali, based on the formation and decomposition of thiophene derivatives. In the alkaline hydrothe...
Decomposition of Benzothiophene, Dibenzothiophene, and Their Derivatives in Subcritical and Supercritical Water with Alkali
Supercritical water Subcritical water Benzothiophene Dibenzothiophene
2009/7/24
Hydrothermal decomposition of thiophene derivatives in subcritical and supercritical water with alkali was studied to enhance desulfurization using a new on-site upgrading technology. Benzothiophene,...
Upgrading of Bitumen by Hydrothermal Visbreaking in Supercritical Water with Alkali
Oil sand Upgrading Supercritical water Desulfurization Vanadium
2009/7/23
This study aimed to clarify the characteristics of the upgrading reaction of bitumen in supercritical water with alkali compared to pyrolysis, and to obtain more information about desulfurization in ...