Mineral oils: processes and products – Chemical conversion of hydrocarbons – Plural serial stages of chemical conversion
Patent
1987-12-07
1989-05-09
Sneed, H. M. S.
Mineral oils: processes and products
Chemical conversion of hydrocarbons
Plural serial stages of chemical conversion
208 58, 208 59, 208 61, 208 78, 208 79, 208 80, 208 89, 208144, 585301, 585411, 585260, C10G 4550
Patent
active
048286761
ABSTRACT:
A process for the production of high octane gasoline, or high octane gasoline blending components from a sulfur and nitrogen-containing feed composition of wide boiling range rich in fused multi-ring aromatic hydrocarbons containing two, and three or more rings in the molecule. The feed is first hydrogenated to desulfurize, denitrogenate and saturate one ring of the two-ring molecular species, but insufficient to saturate the second ring of said molecular species. The product, as a feed, is then hydrocracked to crack fused multi-ring aromatic hydrocarbons containing three or more rings to the molecule, and to produce lower molecular weight, lower boiling components. The product of the hydrocracker is then split into blends which include (i) a blend rich in fused two-ring aromatic hydrocarbons and (ii) a blend rich in fused multi-ring aromatic hydrocarbons containing three or more rings to the molecule. Blend (i) is selectively hydrogenated and cracked over a catalyst comprised of elemental iron and one or more alkali or alkaline-earth metals to produce gasoline or gasoline blending components, and blend (ii) is hydrocracked to produce gasoline or gasoline blending components.
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Hudson Carl W.
Sawyer Willard H.
Waghorne Robert H.
Exxon Research and Engineering Company
Myers Helane
Ott Roy J.
Sneed H. M. S.
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