| Patent Number |
Title Of Patent |
Date Issued |
| 8282886 |
Fluidized bed reactor with back-mixing for dehydrogenation of light paraffins |
October 9, 2012 |
| An improved process and system for the endothermic dehydrogenation of an alkane stream is described. The process and system for catalytic dehydrogenation comprise a back-mixed fluidized bed reactor. The alkane stream is dehydrogenated in a single reactor stage by contacting the alkan |
| 8052938 |
Aromatics co-production in a methanol-to-propylene unit |
November 8, 2011 |
| The present invention provides a reactor system having: (1) a first reactor receiving an oxygenate component and a hydrocarbon component and capable of converting the oxygenate component into a light olefin and the hydrocarbon component into alkyl aromatic compounds; (2) a separator |
| 7951984 |
Aromatics co-production in a methanol-to-propylene unit |
May 31, 2011 |
| The present invention provides a reactor system having: (1) a first reactor receiving an oxygenate component and a hydrocarbon component and capable of converting the oxygenate component into a light olefin and the hydrocarbon component into alkyl aromatic compounds; (2) a separator |
| 7902416 |
Fluidized bed reactor with back-mixing for dehydrogenation of light paraffins |
March 8, 2011 |
| An improved process and system for the endothermic dehydrogenation of an alkane stream is described. The process and system of the present invention comprise a back-mixed fluidized bed reactor. The alkane stream is dehydrogenated in a single reactor stage by contacting the alkane str |
| 7897829 |
Olefinic feedstock treatment processes |
March 1, 2011 |
| Aromatic by-products are sorbed from mono-olefin-containing feedstocks of olefins having from about 6 to 22 carbon atoms per molecule that contain aromatic by-products having from 7 to 22 carbon atoms per molecule. A benzene-containing regenerant displaces and desorbs the aromatic by |
| 7846403 |
Louver front faced inlet ducts |
December 7, 2010 |
| An apparatus is for directing a fluid into a radial reactor is and which maintains a bed of solid particulate material within a reactor. The apparatus comprises a duct for directing fluid into a reactor and has a screenless face for the egress of the fluid, while providing for the re |
| 7834227 |
Aromatics co-production in a methanol-to-propylene unit |
November 16, 2010 |
| The present invention provides a reactor system having: (1) a first reactor receiving an oxygenate component and a hydrocarbon component and capable of converting the oxygenate component into a light olefin and the hydrocarbon component into alkyl aromatic compounds; (2) a separator |
| 7781632 |
Integrated processes for making detergent range alkylbenzenes from C5-C6-containing feeds |
August 24, 2010 |
| Integrated processes for making detergent range alkylbenzenes from C.sub.5-C.sub.6-containing feeds involve feed pretreatment and/or selective hydrogenation to enable acceptable quality alkylbenzene production at attractive capital and operating costs. |
| 7781631 |
Integrated processes for making detergent range alkylbenzenes from C.sub.5-C.sub.6-containing fe |
August 24, 2010 |
| Integrated processes for making detergent range alkylbenzenes from C.sub.5-C.sub.6-containing feeds involve feed pretreatment and/or selective hydrogenation to enable acceptable quality alkylbenzene production at attractive capital and operating costs. |
| 7781630 |
Integrated processes for making detergent range alkylbenzenes from C.sub.5-C.sub.6-containing fe |
August 24, 2010 |
| Integrated processes for making detergent range alkylbenzenes from C.sub.5-C.sub.6-containing feeds involve feed pretreatment and/or selective hydrogenation to enable acceptable quality alkylbenzene production at attractive capital and operating costs. |
| 7750198 |
Olefinic feedstock treatment processes |
July 6, 2010 |
| Aromatic by-products are sorbed from mono-olefin-containing feedstocks of olefins having from about 6 to 22 carbon atoms per molecule that contain aromatic by-products having from 7 to 22 carbon atoms per molecule. A benzene-containing regenerant displaces and desorbs the aromatic by |
| 7732650 |
Oxygenate conversion to olefins with metathesis |
June 8, 2010 |
| A processing scheme and system for enhanced light olefin production, particularly for increased relative yield of propylene, involves oxygenate conversion to olefins and subsequent oxygenate conversion effluent stream treatment including cross-metathesis of 1-butene with 2-butene, me |
| 7728185 |
Integration of olefin cracking with metathesis to increase light olefins production |
June 1, 2010 |
| A process for increasing the propylene yields for hydrocarbon cracking processes. The process includes adding using alkylation of the C4s coming from the hydrocarbon cracker, and passing larger olefins to an olefin cracking unit. |
| 7722825 |
Preparing a light-olefin containing product stream from an oxygenate-containing feed stream usin |
May 25, 2010 |
| The present invention provides a reactor system for converting an oxygenate-containing feed stream to an olefin-containing product stream. The system includes: (1) a first fluidized catalytic reactor for converting methanol to propylene, the first reactor having a fluidized catalyst |
| 7695696 |
Screenless internals for radial flow reactors |
April 13, 2010 |
| An apparatus for contacting a bed of particulate material with a cross flowing fluid, which maintains the bed of particulate material within a retention volume. The apparatus includes partitions for retaining particles, with apertures disposed within the partitions. The apertures are |
| 7687671 |
Integrated oxygenate conversion and product cracking |
March 30, 2010 |
| Improved processing of an oxygenate-containing feedstock for increased production or yield of light olefins. Such processing involves oxygenate conversion to olefins and subsequent cracking of heavier olefins wherein at least a portion of the products from each of the reactors is elevate |
| 7683226 |
Integrated processes for making detergent range alkylbenzenes from C.sub.5-C.sub.6-containing fe |
March 23, 2010 |
| Integrated processes for making detergent range alkylbenzenes from C.sub.5-C.sub.6-containing feeds involve feed pretreatment and/or selective hydrogenation to enable acceptable quality alkylbenzene production at attractive capital and operating costs. |
| 7663012 |
Conversion of dimethylether to propylene using moving bed technology |
February 16, 2010 |
| The average cycle propylene selectivity of an oxygenate to propylene (OTP) process using one or more fixed beds of a dual-function oxygenate conversion catalyst is substantially enhanced by the use of moving bed reactor technology in the hydrocarbon synthesis portion of the OTP flow |
| 7622089 |
Conically shaped screenless internals for radial flow reactors |
November 24, 2009 |
| An apparatus for contacting a bed of particulate material with a cross flowing fluid, which maintains the bed of particulate material within a retention volume. The apparatus includes partitions for retaining particles, with apertures disposed within the partitions. The apertures are |
| 7586018 |
Oxygenate conversion to olefins with dimerization and metathesis |
September 8, 2009 |
| A processing scheme and system for enhanced light olefin production, particularly for increased relative yield of propylene, involves oxygenate conversion to olefins and subsequent oxygenate conversion effluent stream treatment including dimerization of ethylene to butene and metathe |
| 7408092 |
Selective conversion of oxygenate to propylene using moving bed technology and a hydrothermally |
August 5, 2008 |
| The average propylene cycle selectivity of an oxygenate to propylene (OTP) process using a dual-function oxygenate conversion catalyst is substantially enhanced by the use of a combination of: 1) moving bed reactor technology in the hydrocarbon synthesis portion of the OTP flow schem |
| 7405337 |
Conversion of oxygenate to propylene with selective hydrogen treatment of heavy olefin recycle s |
July 29, 2008 |
| The average cycle propylene selectivity of an oxygenate to propylene (OTP) process using one or more fixed or moving beds of a dual-function oxygenate conversion catalyst with recycle of one or more C.sub.4+ olefin-rich fractions is substantially enhanced by the use of selective hydr |
| 7396966 |
Olefinic feedstock treatment processes |
July 8, 2008 |
| Aromatic by-products are sorbed from mono-olefin-containing feedstocks of olefins having from about 6 to 22 carbon atoms per molecule that contain aromatic by-products having from 7 to 22 carbon atoms per molecule. A benzene-containing regenerant displaces and desorbs the aromatic by |
| 7371916 |
Conversion of an alcoholic oxygenate to propylene using moving bed technology and an etherificat |
May 13, 2008 |
| The average propylene selectivity per on-stream cycle of an alcoholic oxygenate to propylene (OTP) process using one or more fixed beds of a dual-function oxygenate conversion catalyst is substantially enhanced by the use of a feed pretreatment step involving a catalytic etherification |
| 7368618 |
Process for removal of oxygenates from a paraffin stream |
May 6, 2008 |
| The present invention comprises a process for removal of oxygenates from a paraffin-rich or olefin-rich paraffin stream which comprises passing a feed stream, comprising one or more C.sub.10 to C.sub.15 feed paraffins or C.sub.10 to C.sub.15 olefin-rich paraffin stream and one or more |
| 7102044 |
Process for removal of oxygenates from a paraffin stream |
September 5, 2006 |
| The present invention comprises a process for removal of oxygenates from a paraffin-rich or olefin-rich paraffin stream which comprises passing a feed stream, comprising one or more C.sub.10 to C.sub.15 feed paraffins or C.sub.10 to C.sub.15 olefin-rich paraffin stream and one or more |
| 6284128 |
Reforming with selective reformate olefin saturation |
September 4, 2001 |
| A process combination is disclosed to selectively upgrade hydrocarbons in a manner to essentially eliminate olefins in product from the combination. Preferably the hydrocarbons comprise naphtha which is reformed to upgrade its octane number and/or to produce aromatic intermediates, follo |
| 6177002 |
Catalytic reforming process with multiple zones |
January 23, 2001 |
| A hydrocarbon feedstock is catalytically reformed in a sequence comprising a first bifunctional-catalyst reforming zone, a zeolitic-reforming zone containing a catalyst comprising a platinum-group metal and a nonacidic zeolite, and a terminal bifunctional catalyst reforming zone. The fir |
| 6001241 |
BTX from naphtha without extraction |
December 14, 1999 |
| A hydrocarbon feedstock is catalytically reformed in a sequence comprising a zeolitic-reforming zone containing a catalyst comprising a platinum-group metal and a nonacidic L-zeolite and an aromatics-isomerization zone containing a catalyst comprising a medium-pore molecular sieve, a |
| 5958216 |
Catalytic reforming process with multiple zones |
September 28, 1999 |
| A hydrocarbon feedstock is catalytically reformed in a sequence comprising a first bifunctional-catalyst reforming zone, a zeolitic-reforming zone containing a catalyst comprising a platinum-group metal and a nonacidic zeolite, and a terminal bifunctional catalyst reforming zone. The fir |
| 5942655 |
Process for the removal of heavy hydrocarbonaceous co-products from a vapor effluent from a norm |
August 24, 1999 |
| A process for the removal of trace quantities of polynuclear aromatic compounds from the vapor effluent of a hydrocarbon dehydrogenation zone containing normally gaseous olefinic hydrocarbons, trace mononuclear aromatic compounds and trace polynuclear aromatic compounds by contacting |
| 5885439 |
Catalytic reforming process with multiple zones |
March 23, 1999 |
| A hydrocarbon feedstock is catalytically reformed in a sequence comprising a first bifunctional-catalyst reforming zone, a zeolitic-reforming zone containing a catalyst comprising a platinum-group metal and a nonacidic zeolite, and a terminal bifunctional catalyst reforming zone. The pro |
| 5849979 |
Process for cooling a hot vapor effluent of a hydrocarbon dehydrogenation zone and removing trac |
December 15, 1998 |
| A process for the removal of trace quantities of polynuclear aromatic compounds from the vapor effluent of a hydrocarbon dehydrogenation zone containing normally gaseous olefinic hydrocarbons, trace mononuclear aromatic compounds and trace polynuclear aromatic compounds by contacting |
| 5792898 |
Process for the management of mononuclear and polynuclear aromatic compounds produced in a hydro |
August 11, 1998 |
| A process for the management of polynuclear aromatic compounds produced in a hydrocarbon dehydrogenation zone wherein the effluent from the hydrocarbon dehydrogenation zone containing dehydrogenated hydrocarbons, dehydrogenatable hydrocarbons and trace quantities of mononuclear and p |
| 5792338 |
BTX from naphtha without extraction |
August 11, 1998 |
| A hydrocarbon feedstock is catalytically reformed in a sequence comprising a continuous-reforming zone associated with continuous catalyst regeneration, a zeolitic-reforming zone containing a catalyst comprising a platinum-group metal and a nonacidic L-zeolite and an aromatics-isomer |
| 5750800 |
Process for producing diisopropyl ether from propane |
May 12, 1998 |
| An integrated process to produce diisopropyl ether from propane has been developed. In a first reaction zone the propane in a feedstock, after any hydrocarbons containing four or more carbon atoms are removed from the feedstock via fractionation, is dehydrogenated in the presence of a |
| 5672804 |
Process for the removal of polynuclear aromatic compounds from a vapor effluent from a normally |
September 30, 1997 |
| A process for the removal of trace quantities of polynuclear aromatic compounds from the vapor effluent of a hydrocarbon dehydrogenation zone containing normally gaseous olefinic hydrocarbons, trace mononuclear aromatic compounds and trace polynuclear aromatic compounds by cooling the |
| 5481060 |
Process for the removal of heavy hydrocarbonaceous co-products from a vapor effluent from a norm |
January 2, 1996 |
| A process for the removal of trace quantities of polynuclear aromatic compounds from the vapor effluent of a hydrocarbon dehydrogenation zone containing normally gaseous olefinic hydrocarbons, trace mononuclear aromatic compounds and trace polynuclear aromatic compounds by contacting |
