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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,...
Synthesis of Di-t-butyl-polysulfide from Isobutene, Hydrogen Sulfide, and Sulfur (Part 1) Catalysis by Alkali Metal Oxide and Alkaline Earth Metal Oxide Loaded on Alumina
Polysulfide Solid base catalyst Alkali metal Alkaline earth metal
2009/7/24
Synthesis of di-t-butyl-polysulfide from isobutene, hydrogen sulfide and sulfur was carried out over solid base catalysts such as alkali metal and alkaline earth metal oxides loaded on alumina. The p...
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 ...
Production of Vegetable Oil Fatty Acid Methyl Esters from Used Frying Oil by Combined Acidical/Alkali Transesterification
fatty acid methyl ester esterification transesterification frying oils
2010/8/11
In this paper the actual driving forces of the research, production and utilization of biofuels are listed for directing attention for these. The authors try to find a solution to utilize the greatly ...