Mineral oils: processes and products – Chemical conversion of hydrocarbons – Plural serial stages of chemical conversion
Patent
1987-12-04
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 60, 208 61, 208 78, 208 79, 208 80, 208 89, 208144, 585301, 585260, 585411, C10G 4550
Patent
active
048286753
ABSTRACT:
A process for the production of high octane gasoline, or high octane gasoline blending components, from a sulfur-containing feed rich in fused two-ring aromatic hydrocarbons, inclusive of naphthalenes. The feed is hydrogenated in a first reaction zone to desulfurize the feed and saturate one ring of the fused two-ring aromatic hydrocarbons, but insufficient to saturate the second ring of said molecular species, to form tetralins. The product, as a feed, is reacted in a second reaction zone over a catalyst comprised of elemental iron and one or more alkali or alkaline-earth metals components to selectively hydrogenate and crack the previously hydrogenated fused two-ring aromatic hydrocarbons to produce lower molecular weight higher octane components suitable per se as gasoline, or gasoline blending components. The feed rich in fused two-ring aromatic hydrocarbons can be split from a wider boiling range hydrocarbon to obtain, additionally, a component rich in fused multi-ring aromatic hydrocarbons having three or more rings to the molecule, which fraction can also be hydrogenated to produce other fuels, or raw materials feed components.
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Hudson Carl W.
Sawyer Willard H.
Exxon Research and Engineering Company
Myers Helane
Ott Roy J.
Sneed H. M. S.
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