Mineral oils: processes and products – Chemical conversion of hydrocarbons – Plural serial stages of chemical conversion
Patent
1977-08-01
1978-11-28
Gantz, Delbert E.
Mineral oils: processes and products
Chemical conversion of hydrocarbons
Plural serial stages of chemical conversion
208 89, 208108, 208112, 208212, 208213, 208226, 252475, C10G 1304, B01J 2704
Patent
active
041274709
ABSTRACT:
Processes for the treating of sulfur-containing petroleum oil feedstocks employing alkali metal compounds, alkaline earth metal compounds, and mixtures thereof are disclosed. Specifically, processes for hydrotreating feedstocks which have been previously partially desulfurized using conventional hydrodesulfurization catalysts by contacting such feedstocks with alkali metal compounds, alkaline earth metal compounds, and mixtures thereof, are disclosed. Preferably, the products of such a treatment are employed as feeds for catalytic cracking processes. In addition, processes for the combined hydrotreating and hydroconversion of various sulfur-containing petroleum oil feeds are disclosed, employing at least two hydroconversion agents selected from the group consisting of the alkali metal compounds and alkaline earth metal compounds, in the presence of added hydrogen, and at elevated temperatures. The reaction products formed thereby include a substantially desulfurized and demetallized, as well as a significantly upgraded petroleum product. The latter is demonstrated by a reduced Conradson carbon content and an increased API gravity.
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Baird Jr. William C.
Bearden, Jr. Roby
Ledford Thomas H.
Exxon Research & Engineering Company
Gantz Delbert E.
Gibbons Marthe L.
Schmitkons G. E.
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