Eni S.p.a.

Mario Molinari

Susi Bonomi

Luigi Patron

Alberto Maria Malandrino

Alberto Malandrino

The present invention relates to an apparatus for the hydroconversion of heavy oil products (the fresh load). Said apparatus comprises: a slurry bubble column hydroconversion reactor, which comprises a feed line in which the fresh load and the recirculated slurry phase are conveyed, an inlet line for a hydrogenating stream and an outlet for a reaction effluent through an outlet nozzle; a stripping column at high pressure and high temperature placed downstream of the reactor and directly connected to the reactor head through a pipeline in which the reaction effluent flows; said column having an inlet line for a stripping gas, an inlet for the reactor effluent, a head outlet for steam and an outlet for the slurry phase; lines and means for recirculating the slurry leaving the stripping column; lines and means for taking a drain stream, which has the function of preventing the accumulation of solids in the reactor. The stripping column is characterized in that it contains one or more contact devices that allow physical contact to be created between different phases.

Apparatus and process for the hydroconversion of heavy oil products

System and corresponding process for the hydroconversion of heavy oils essentially comprising a reactor, a liquid-vapor separator and a section for stripping conversion products outside the reactor comprising an inlet conduit for the stripping gases located at a point on the conduit providing a connection between the head of the reactor and the liquid-vapor separator inclined, at least from the point of entry, upwards with a gradient of between 2% and 20%, preferably between 3% and 12%, with respect to a horizontal plane. The inlet conduit for the stripping gases is inclined with respect to the axis of the conduit providing a connection between the reactor head and the liquid-vapor separator through an angle of between 20&#xb0; and 65&#xb0;, more preferably between 30&#xb0; and 60&#xb0;, even more preferably between 40&#xb0; and 50&#xb0;. The stripping gas delivered to the connection conduit between the head of the reactor and the separator flows in a downward direction.

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San Donato Milanese, Italy

Mario Molinari