Inventor: James H. Beech

Address: Kingwood, TX
No. of applications: 32
Last application issue date: 01/28/2010

Application No.	Application Title	Issue Date
20100018549	Method of recovering heat transfer in reactor and regenerator effluent coolers This invention relates to a method for removing fouling from a heat transfer surface, such as a heat exchanger. The method involves conducting a vapor containing a scouring material to the heat transfer surface and contacting the scouring material with the foulant, the ...	01/28/2010
20070251863	FCC catalyst stripper configuration This invention relates to the catalytic cracking of a hydrocarbon feed. In particular, this invention relates to an apparatus and process utilizing a catalyst stripper section of a fluid catalytic cracking (FCC) reactor with chordal trays designed to provide improved st...	11/01/2007
20070243997	Method for protecting catalyst against contaminant ingress Degradation of catalyst activity for silicoaluminophosphate catalysts is minimized for oxygenate-to-olefin reaction systems that are exposed to airborne salt concentrations above a threshold value. When airborne salt concentrations above the threshold value are detected...	10/18/2007
20070227356	Product recovery in gas-solids reactors A gas-solids reaction system is provided for improving product recovery in a multiple reactor reaction system. The solids of the product gas-solids flows from the multiple reactors are separated out in a separation vessel having a baffled transition zone. Additional pro...	10/04/2007
20070232844	Method of high pressure and high capacity oxygenate conversion with catalyst exposure cycle A gas-solids reaction system is provided for improving product recovery in a multiple reactor reaction system. An oxygenate feedstock, desirably of high concentration in oxygenate, is reacted with a catalyst having a low to modest acidity and a Si/Al₂ratio o...	10/04/2007
20070232843	Product recovery in gas-solids reactors A gas-solids reaction system is provided for improving product recovery in a multiple reactor reaction system. The solids of the product gas-solids flows from the multiple reactors are separated out in a separation vessel having a baffled transition zone. Additional pro...	10/04/2007
20070197845	Removal of catalyst fines from a reaction system This invention provides a process for limiting the loss of catalyst particles through olefin product streams and regenerator flue gas streams exiting the reaction system. In particular, this invention provides for removing catalyst particles from the reactor using a wat...	08/23/2007
20070197844	Treating oxygenate containing feedstreams in the conversion of oxygenates to olefins This invention is directed to removing contaminants from an oxygenate-containing feedstream for an oxygenate to olefin reaction system. Oxygenate feeds used in the conversion of oxygenates to olefins, and which contain contaminants, are heated to form a vapor stream and...	08/23/2007
20070197846	Method and system for regenerating catalyst from a plurality of hydrocarbon conversion apparatuses The present invention is directed to a method and system for integrating a catalyst regeneration system with a plurality of hydrocarbon conversion apparatuses, preferably, a plurality of multiple riser reactor units. One embodiment of the present invention is a reactor ...	08/23/2007
20070049782	Riser termination devices for reduced catalyst attrition and losses A gas-solids reaction system with termination devices to connect a riser with one or more separation devices. The termination devices have a radius of curvature that is at least 1.0 times as great as the diameter of the conduit forming the termination device. The termin...	03/01/2007
20070037692	Method for stabilizing catalyst activity during MTO unit operation A method for maintaining the activity of silicoaluminophosphate (SAPO) molecular sieve catalyst particles during oxygenate to olefin conversion reactions. The SAPO catalyst particles are regenerated under targeted conditions in the presence of platinum to provide contro...	02/15/2007
20070004949	Gas-solids separation device and method A multi-stage gas-solids separator having at least 4 stages is configured so that the penultimate stage of separators is operated in an underflow condition. The underflow from the penultimate stage is used as the input flow for the final stage of separators. The multi-s...	01/04/2007
20060270884	Oxygenate-to-olefin conversions in a baffled reactor The invention concerns methods and systems for minimizing back-mixing of feedstock flow in converting oxygenates to olefins. In one embodiment, back-mixing is reduced by providing a reactor that includes baffles to reduce the hydraulic diameter of at least a portion of ...	11/30/2006
20060217582	Stabilizing catalyst activity during catalyst regeneration This invention is directed to methods of converting oxygenates to olefin products. The methods provided include steps for protecting against deactivation of active molecular sieve catalysts during the conversion process. In particular, the invention provides for methods...	09/28/2006
20060217581	Stabilizing catalyst activity during catalyst regeneration This invention is directed to methods of converting oxygenates to olefin products. The methods provided include steps for protecting against deactivation of active molecular sieve catalysts during the conversion process. In particular, the invention provides for methods...	09/28/2006
20060161036	Fluidizing a population of catalyst particles having a low catalyst fines content The present invention relates to processes for fluidizing a population of catalyst particles that are depleted of catalyst fines. In one embodiment, the process includes providing a plurality of catalyst particles in the reactor, wherein the catalyst particles have a d<...	07/20/2006
20060147355	Fluidizing a population of catalyst particles having a low catalyst fines content The present invention relates to processes for fluidizing a population of catalyst particles that are depleted of catalyst fines. In one embodiment, the process includes providing a plurality of catalyst particles in the reactor, wherein the catalyst particles have a d<...	07/06/2006
20060135348	Controlling temperature in catalyst regenerators This invention relates to efficiently regenerating catalyst particles by minimizing the formation of localized “hot spots” and “cold spots” in a regeneration zone. In one embodiment, the invention includes mixing spent catalyst from a reactor and cold catalyst f...	06/22/2006
20060130444	Gas-solids separation device and method A multi-stage gas-solids separator is configured so that the higher density (solids) output flows of two or more of the separator stages are merged together. The multi-stage separator is preferably composed of cyclone separators, with the diplegs of at least two of the ...	06/22/2006
20060135358	Catalyst cooling processes utilizing steam superheating This invention provides processes, systems and devices for cooling catalyst, preferably regenerated catalyst, by superheating steam and boiling water. The inventive process advantageously provides ideal cooling conditions while ensuring minimal hydrothermal deactivation...	06/22/2006
20060135836	Processes for lifting spent catalyst into a regenerator in an oxygenate to olefins reaction system This invention provides processes for transporting catalyst, preferably in an oxygenate to olefins reaction system. In one embodiment, an oxygenate contacts molecular sieve catalyst particles in a reactor under conditions effective to form an effluent stream comprising ...	06/22/2006
20060094593	Method of transferring catalyst in a reaction system The invention is directed to methods of transfering catalyst particles into and within reaction systems. The reaction systems are those that use catalysts that comprise molecular sieves, particularly metalloaluminophosphate molecular sieves, especially metalloaluminopho...	05/04/2006
20060079724	Maintaining molecular sieve catalytic activity under water vapor conditions The invention is directed to methods for protecting metalloaluminophosphate molecular sieves, particularly silicoaluminophosphate (SAPO) molecular sieves, from loss of catalytic activity due to contact with a gas containing water. The methods of the invention provide pr...	04/13/2006
20060073083	Minimizing catalyst backflow in fluidized bed reactors This invention provides feed introduction devices, and processes for using same, which minimize catalyst clogging. In particular, the invention is to a feed introduction device having a first end in fluid communication with a feed source, a second end in fluid communica...	04/06/2006
20060059870	Process for removing solid particles from a gas-solids flow Catalyst losses are prevented in riser reactor systems by using a low inlet velocity for the first cyclone separator in each multi-stage cyclone separator in the reactor. Catalyst particles not separated from the product output flow in an oxygenate-to-olefin reactor are...	03/23/2006
20060020155	Processes for converting oxygenates to olefins at reduced volumetric flow rates This invention provides processes for forming light olefins from methanol and/or from syngas through a dimethyl ether intermediate. Specifically, the invention is to converting methanol and/or syngas to dimethyl ether and water in the presence of a first catalyst, prefe...	01/26/2006
20050238548	Heat recovery technique for catalyst regenerator flue gas A technique for recovering heat from a high temperature effluent stream from catalyst regeneration or the like, comprising processes and means for: (a) passing the effluent stream in heat exchange relationship in a steam generator with boiler feed water to produce high ...	10/27/2005
20050234278	Integrating an air separation unit into an oxygenate-to-olefins reaction system This invention provides an integrated system and process for forming light olefins and polymers from oxygenates, and optionally from natural gas. The integrated system includes an air separation unit, which separates air components into an oxygen stream and a nitrogen s...	10/20/2005
20050065390	Process for recovering and reusing water in an oxygenate-to-olefin process The present invention is a process for cleaning and using byproduct water from an oxygenate to olefin process to satisfy the water requirement of the oxygenate to olefin process. ...	03/24/2005
20050035027	Method of shutting down a reaction system The invention is directed to methods of shutting down reaction systems. The reaction systems are those that use catalysts that comprise molecular sieves, particularly metalloaluminophosphate molecular sieves, especially metalloaluminophosphate molecular sieves which are...	02/17/2005
20050038306	Method of starting up a reaction system The invention is directed to methods of starting up reaction systems. The reaction systems are those that use catalysts that comprise molecular sieves, particularly metalloaluminophosphate molecular sieves, especially metalloaluminophosphate molecular sieves which are s...	02/17/2005
20050014984	Method and apparatus for treating oxygenate-containing feeds and their use in conversion of oxygenates to olefins A feed vaporization process and apparatus for oxygenate to olefin conversion is provided which uses a vapor-liquid disengaging drum to separate non-volatiles and/or partial non-volatiles from volatiles in the oxygenate feed and produce a vaporized effluent that is reduc...	01/20/2005

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Inventor: James H. Beech