Uop Lcc

Daniel Robert Johnson

Paolo Palmas

Robert L Mehlberg

Michael S Sandacz

Lev Davydov

Mohammad-Reza Mostofi-Ashtiani

Thomas W Lorsbach

Chad R Huovie

Lisa M Wolschlag

Peter J Van Opdorp

Karthikeyan Paramanandam

Brian W Hedrick

Keith Allen Couch

Clayton Colin Sadler

Michael A Stine

Kelly D Seibert

David A Lomas

Mohammad Reza Mostofi-Ashtiani

James W Althoff

Kevin J Brandner

Steven Niewiedzial

Mohammad Reza Mostofi Ashtiani

James A Fandel

Embodiments of a hydrocarbon conversion apparatus are provided, as are embodiments of a hydroprocessing conversion process. In one embodiment, the hydrocarbon conversion apparatus includes a reaction vessel having a reaction chamber and a feed distribution chamber. A riser fluidly couples the feed distribution chamber to the reaction chamber, and a catalyst recirculation standpipe fluidly couples the reaction chamber to the feed distribution chamber. The catalyst recirculation standpipe forms a catalyst recirculation circuit with the reaction chamber, the feed distribution chamber, and the riser. A catalyst is circulated through the catalyst recirculation circuit during operation of the hydrocarbon conversion apparatus.

Hydrocarbon conversion apparatus including fluid bed reaction vessel and related processes

A process and apparatus described is for distributing fluidizing gas to a riser. Fluidizing gas is delivered to a plenum below the riser. A first stream of fluidizing gas is distributed from the plenum into a chamber in a riser and a second stream of fluidizing gas is distributed from the plenum into the riser outside of the chamber. First nozzles in the plenum have a first outlet in the chamber and second nozzles in the plenum have a second outlet outside of the chamber. Streams of regenerated catalyst and carbonized catalyst may be passed to the riser and mixed around the chamber in a lower section of a riser.

Process and apparatus for distributing fluidizing gas to an FCC riser

A process and apparatus for mixing streams of regenerated and carbonized catalyst utilizes a ramp or bend provided on only one of the catalyst conduits to provide mixing advantages.

Process and apparatus for mixing two streams of catalyst

Embodiments of apparatuses and risers for reacting a feedstock in the presence of a catalyst and methods for installing a baffle in such risers are provided. In one example, a riser comprises a sidewall that defines a cylindrical housing surrounding an interior. A plurality of baffle assemblies is releasably coupled to the sidewall and each comprises a baffle section. The baffle sections together define a segmented baffle ring extending inwardly in the interior.

Apparatuses and risers for reacting feedstock in the presence of catalyst and methods for installing baffles in risers

Fluid catalytic cracking units having risers with improved hydrodynamics through the use of baffles are described. The baffles break up the high concentration of catalyst in the slower moving outer annulus and redistribute it into the faster moving, more dilute center of the riser flow.

Baffles for improving riser hydrodynamics

A process and apparatus for mixing streams of regenerated and carbonized catalyst involves passing a catalyst stream into and out of a chamber in a lower section of a riser. The chamber fosters mixing of the catalyst streams to reduce their temperature differential before contacting hydrocarbon feed.

Disclosed is a catalyst distributor and process for mixing spent catalyst and recycled regenerated catalyst in a regenerator vessel. Mixing is conducted in a confined space to which catalyst is delivered from catalyst conduits protruding through the wall of the regenerator.

Process for regenerating catalyst

Apparatus for regenerating catalyst

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Schaumburg, IL, United States of America

Daniel Robert Johnson