Exxonmobil Research and Engineering Company

Exxonmobil Technology and Engineering Company

Petrochemical Research Institute

Bing Du

Hyung Rae Kim

Arun K Sharma

Mohsen N Harandi

Colin L Beswick

Samuel A Tabak

Stephen John McCarthy

David L Johnson

Xiaochun Xu

Michael F Raterman

Brenda Anne Raich

Lu Han

Eric B Shen

Clay R Sutton

Mitch L Hindman

Zhiyan Wang

Masaaki Sugita

Zhongcheng Wang

William J Knaeble

Prateek Mehta

Daniel J Garcia

Stephen J Mccarthy

Rohit Vijay

Brett Thomas Loveless

Suriyanarayanan Rajagopalan

Christopher Gordon Smalley

Samia Ilias

Timothy M Healy

Alvin U Chen

Fritz A Bernatz

Vinit Choudhary

Tien V Le

Hyungsik Lee

Joseph Famolaro

Yosuke Sano

Yi En Huang

Zachary R Martin

Kentaro Kobayashi

Brett Loveless

Zachary Robert Martin

Samia Illias

In various aspects, systems and methods are provided for operating an oxygen-fired catalyst regenerator with flue gas recycle and COcapture. An oxygen-fired catalyst regenerator contrasts with an air-fired regenerator. The oxygen-fired catalyst regenerator substantially reduces nitrogen within the system, which facilitates COcapture by reducing the energy required to capture CO. In various aspects, a first portion of the regenerator flue gas is passed to a COcapture system and a second portion is recycled to the regenerator. Before the flue gas is recycled or diverted to the COcapture, it is passed to various processes that remove and/or reduce SO, NO, particulate, and water content. In various aspects, a portion of the treated flue gas may be combined with substantially pure Oand recycled to the regenerator.

Oxygen fired FCC regenerator with COcapture

This disclosure relates to methods for reducing COemissions from a fluid catalytic cracking process by providing a chemical looping system comprising a regenerator and reducer reactor, an oxidizer reactor, and a combustor reactor, and by sequestering the carbon dioxide of a COand HO stream. Also, this disclosure relates to methods for reducing COemissions from a fluid catalytic cracking process by partially oxidizing catalyst coke particles in a fluid catalytic cracking regenerator reactor to produce synthesis gas, and by providing a chemical looping system comprising a reducer reactor, an oxidizer reactor, and a combustor reactor.

System to convert coke in fluid catalytic cracking process by utilizing metal oxides with in-situ COcapture

Systems and methods are provided for expanding the operating envelope for an FCC reaction system while also reducing or minimizing the net environmental COemissions associated with the FCC reaction system and/or the resulting FCC products. In some aspects, reducing or minimizing net environmental COemissions can be achieved during processing of unconventional feeds, such as feeds that are traditionally viewed as having insufficient tendency to coke in order to maintain heat balance within an FCC reaction system. In other aspects, this can correspond to expanding the production of diesel within an FCC reaction system by modifying the reaction conditions in a manner that can cause a reaction system to fall out of heat balance (relative to the heat needed to maintain a target operating temperature) even when using conventional feeds.

FCC processing with reduced CO2 emissions

FCC processing with reduced COemissions

Provided is a process capable of converting the cokes on spent catalysts in a fluid catalytic cracking (FCC) process into synthesis gas. The produced synthesis gas contains high concentrations of CO and Hand may be utilized in many downstream applications such as syngas fermentation for alcohol production, hydrogen production and synthesis of chemical intermediates. A reducer/regenerator reactor for a fluid catalytic process comprising a chemical looping system to produce synthesis gas is also described.

Conversion of catalytic coke into synthetic gas from a fluid catalytic cracking (FCC) process using a chemical looping system and methods related thereto

Systems and methods are provided for integrating a fluidized coking process, optionally a coke gasification process, and processes for production of additional liquid products from the coking and/or gasification process. In some aspects, the integrated processes can allow for conversion of olefins generated during a fluidized coking process to form additional liquid products. Additionally or alternately, in some aspects the integrated processes can allow for separation of syngas from the flue gas/fuel gas generated by a gasifier integrated with a fluidized coking process. This syngas can then be used to form methanol, which can then be converted in a methanol conversion process to form heavier products. In such aspects, olefins generated during the fluidized coking process can be added to the methanol conversion process to improve the yield. Additionally, in various aspects, the off-gas from the integrated conversion process can be used as an additional paraffin feed that can be recycled to one of the heat integration conduits in the fluidized coker for additional generation of olefins. This can provide a further increase in liquid yields using a carbon source (Cparaffins) that is conventionally viewed as a low value product from coking.

Fluidized coking with increased production of liquids

Apparatuses and processes for converting an oxygenate feedstock, such as methanol and/or dimethyl ether, in a fluidized bed containing a catalyst to hydrocarbons, such as gasoline boiling components, olefins and aromatics are provided herein.

Apparatus and process for producing gasoline, olefins and aromatics from oxygenates

Apparatuses and processes for converting an oxygenate feedstock, such as methanol and dimethyl ether, in a fluidized bed containing a catalyst to hydrocarbons, such as gasoline boiling components, olefins and aromatics are provided herein.

A fluid coking unit for converting a heavy oil feed to lower boiling products by thermal has a centrally-apertured annular baffle at the top of the stripping zone below the coking zone to inhibit recirculation of solid particles from the stripping zone to the coking zone. By inhibiting recirculation of the particles from the stripping zone to the coking zone, the temperatures of the two zones are effectively decoupled, enabling the coking zone to be run at a lower temperature than the stripping zone to increase the yield of liquid products.

Fluid bed coking process with decoupled coking zone and stripping zone

A method of improving the uniformity of the contacting of a heavy oil feed with FCC cracking catalyst in the feed zone of an FCC cracking riser in which the heavy oil feed is injected into the catalyst in the riser by means of feed injectors located around the riser, the method comprising minimizing the differences in the temperature profile in the oil/catalyst mixture across the feed zone by varying the oil feed rate to the injectors.

Method for optimizing catalyst/oil mixing in an FCC reactor feed zone

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Pittstown, NJ, United States of America

Bing Du