Hydrogenation of high boiling hydrocarbons

Details Hydrogenation of high boiling hydrocarbons Hydrogenation of high boiling hydrocarbons

C - Chemistry, Metallurgy

10

G

196/129

C10G 65/00 (2006.01) C10G 67/06 (2006.01) F02B 3/06 (2006.01)

Patent

CA 1142871

3909 HYDROGENATION OF HIGH BOILING HYDROCARBONS Abstract of the Disclosure In a hydrogenation operation employing at least two catalytic ebullated hydrogenation zones in series, a recycle is recovered from the hydrogenated product, at least 25% by volume of the recycle boiling above 950°F. The recycle is contacted with an adsorbent, such as calcined coke, to remove coke precursors and is introduced into at least the last of the two zones. Higher conversion levels can be achieved by effecting recycle in such manner.

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