Chemistry of hydrocarbon compounds – Saturated compound synthesis – By isomerization
Patent
1999-03-09
2000-10-17
Griffin, Walter D.
Chemistry of hydrocarbon compounds
Saturated compound synthesis
By isomerization
585734, 585738, 585748, C07C 522
Patent
active
061334960
ABSTRACT:
A process and/or system is provided for isomerizing a hydrocarbon feedstock comprising saturated C.sub.6 hydrocarbons by contacting the hydrocarbon feedstock, in the presence of hydrogen and optionally a chloride, with a first isomerization catalyst composition in a first isomerization reactor defining a first reaction zone operated at a first reaction temperature, withdrawing a first intermediate stream comprising cyclohexane and n-hexane from the first reaction zone, separating the first intermediate stream, via a first separator, into a first product stream comprising cyclohexane and a second intermediate stream comprising n-hexane, contacting the second intermediate stream, in the presence of hydrogen and optionally a chloride, with a second isomerization catalyst composition in a second isomerization reactor defining a second reaction zone operated at a second reaction temperature greater than the first reaction temperature, and withdrawing from the second reaction zone a second product stream comprising isohexane.
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Davis Edgar Durand
Lin Fan-Nan
Anderson Jeffrey R.
Griffin Walter D.
Nguyen Tam M.
Phillips Petroleum Company
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