Abstract: A catalyst comprising a microporous crystalline aluminosilicate having a Constraint Index less than or equal to 12, a Group 1 alkali metal or a compound thereof and/or a Group 2 alkaline earth metal or a compound thereof, a Group 10 metal or a compound thereof, and optionally a Group 11 metal or a compound thereof; wherein the total amount of Group 1 and/or Group 2 metal is present at a ratio that is optimized for the desirable chemical conversion process.

Abstract: Alkyl-demethylation of C2+-hydrocarbyl substituted aromatic hydrocarbons can be utilized to treat one or more of a heavy naphtha reformate stream, a hydrotreated SCN stream, a C8 aromatic hydrocarbon isomerization feed stream, a C9+ aromatic hydrocarbon transalkylation feed stream, and similar hydrocarbon streams to produce additional quantity of xylene products.

Abstract: The present disclosure is related to processes for the alkylation of an isoparaffin. The process may include introducing, in a multistage reactor, a solid acid catalyst including a zeolite to an isoparaffin feed and an olefin feed to form an alkylation product mixture including C5+ olefins. The processes may further include separating at least a portion of the C5+ olefins from the alkylation product mixture to form an oligomer light stream. The present disclosure further relates to multistage reactors for the alkylation of an isoparaffin with an olefin. The multistage reactors may include a plurality of stages, and a plurality of separation systems. The multistage reactors may also include an outlet space coupling each stage to a separation system and an inlet space coupling a separation system to a subsequent stage.

Abstract: The present disclosure relates to processes for the alkylation of isoparaffins. A process may include introducing, in a multistage reactor, a solid acid catalyst to an isoparaffin feed and an olefin feed at a pressure of about 300 psig to about 1500 psig to form a alkylation product mixture. A process may also include solid acid catalyst that includes a crystalline microporous material of the MWW framework type. In yet other embodiments, the present disclosure provides for processes for the alkylation of an isoparaffin. A process may include introducing, in a multistage reactor, a solid acid catalyst to an isoparaffin feed and an olefin feed at a temperature of from about 100° C. to about 200° C. to form an alkylation product mixture. A process may further include a solid acid catalyst that includes a crystalline microporous material of the MWW framework type.

Abstract: A process and related system for producing para-xylene (PX). In an embodiment, the process includes (a) separating a feed stream comprising C6+ aromatic hydrocarbons into a toluene containing stream and a C8+ hydrocarbon containing stream and (b) contacting at least part of the toluene containing stream with a methylating agent in a methylation unit to convert toluene to xylenes and produce a methylated effluent stream. In addition, the process includes (c) recovering PX from the methylated effluent stream in (b) to produce a PX depleted stream and (d) transalkylating the PX depleted stream to produce a transalkylation effluent stream. The transalkylation effluent stream includes a higher concentration of toluene than the PX depleted stream. Further, the process includes (e) converting at least some ethylbenzene (EB) within the C8+ hydrocarbon containing stream into toluene and (f) flowing the toluene converted in (e) to the contacting in (b).

Abstract: Alkyl-demethylation of C2+-hydrocarbyl substituted aromatic hydrocarbons can be utilized to treat one or more of a heavy naphtha reformate stream, a hydrotreated SCN stream, a C8 aromatic hydrocarbon isomerization feed stream, a C9+ aromatic hydrocarbon transalkylation feed stream, and similar hydrocarbon streams to produce additional quantity of xylene products.

Abstract: Alkyl-demethylation of C2+-hydrocarbyl substituted aromatic hydrocarbons can be utilized to treat one or more of a heavy naphtha reformate stream, a hydrotreated SCN stream, a C8 aromatic hydrocarbon isomerization feed stream, a C9+ aromatic hydrocarbon transalkylation feed stream, and similar hydrocarbon streams to produce additional quantity of xylene products.

Abstract: Methods for removing impurities from a hydrocarbon stream using a guard bed material are disclosed. The guard bed material includes compositions which comprises a zeolite and a mesoporous support or binder. The zeolite has a Constraint Index of less than 3. The mesoporous support or binder comprises a mesoporous metal oxide having a particle diameter of greater than or equal to 20 ?m at 50% of the cumulative pore size distribution (d50), a pore volume of less than 1 cc/g, and an alumina content of greater than 75%, by weight. Also disclosed are processes for producing mono-alkylated aromatic compounds (e.g., ethylbenzene or cumene) using impure feed streams that are treated by the disclosed methods to remove impurities which act as catalyst poisons to downstream alkylation and/or transalkylation catalysts.

Abstract: Catalyst compositions comprising a zeolite and a mesoporous support or binder are disclosed. The mesoporous support or binder comprises a mesoporous metal oxide having a particle diameter of greater than or equal to 20 ?m at 50% of the cumulative pore size distribution (d50). Also disclosed are processes for producing a mono-alkylated aromatic compound (e.g., ethylbenzene or cumene) which exhibit improved yield of the mono-alkylated aromatic compound using alkylation catalysts comprising one or more of these catalyst compositions.

Abstract: The present disclosure relates to a process for producing a mono-alkylated aromatic compound using a treated catalyst made by a method of this invention is disclosed. The method comprises the steps of heating an untreated catalyst in the presence of a gaseous stream having a dew point temperature less than about 5° C. to form a treated catalyst. The treatment is effective to improve the activity and selectivity of the catalyst.

Abstract: This disclosure provides improved processes for converting aromatic hydrocarbons, such as benzene/toluene, alkylation, transalkylation, or isomerization. In an embodiment, a process comprises utilizing a passivated reactor to reduce deactivation of a molecular sieve catalyst. Additional measures such as the use of an auxiliary catalyst and/or an elevated reactor pressure may be used to further reduce deactivation of the molecular sieve catalyst.

Abstract: A process for producing phenylstyrene comprises contacting benzene with hydrogen in the presence of a hydroalkylation catalyst under conditions effective to produce a hydroalkylation product comprising cyclohexylbenzene. At least part of the cyclohexylbenzene is then contacted with ethylbenzene in the presence of a transalkylation catalyst under conditions effective to produce a transalkylation product comprising cyclohexylethylbenzene and/or with ethylene in the presence of an alkylation catalyst under conditions effective to produce an alkylation product comprising cyclohexylethylbenzene. At least part of the cyclohexylethylbenzene is then contacted with a dehydrogenation catalyst under conditions effective to produce a dehydrogenation product comprising phenylstyrene.

Abstract: The present disclosure provides processes for hydroprocessing hydrocarbon feedstocks comprising a silicon content of about 1 wppm or greater. In at least one embodiment, a process includes introducing, in a reactor or to the reactor, a hydrocarbon feedstock having a silicon content of at least about 1 wppm, based on the total weight of the hydrocarbon feedstock, to a treat gas to produce a hydrocarbon feedstock/treat gas mixture. The process includes introducing the hydrocarbon feedstock/treat gas mixture to a catalyst composition comprising at least one group 6 metal and at least one group 8-10 metal, wherein the molar ratio of group 6 metal to group 8-10 metal is from about 10:1 to about 1:10. The process includes obtaining a liquid product comprising a sulfur content of 5,000 wppm or less. Furthermore, processes of the present disclosure provide hydroprocessing of high Si content feeds using hydrocarbon feeds at high liquid hourly space velocities.

Abstract: Catalyst composition which comprises a first zeolite having a BEA* framework type and a second zeolite having a MOR framework type and a mesopore surface area of greater than 30 m2/g is disclosed. These catalyst compositions are used to remove catalyst poisons from untreated feed streams having one or more impurities which cause deactivation of the downstream catalysts employed in hydrocarbon conversion processes, such as those that produce mono-alkylated aromatic compounds.

Abstract: Methods are provided for producing lubricant base stocks from deasphalted oils formed by sequential deasphalting. The deasphalted oil can be exposed a first deasphalting process using a first solvent that can provide a lower severity of deasphalting and a second deasphalting process using a second solvent that can provide a higher severity of deasphalting. This can result in formation of at least a deasphalted oil and a resin fraction. The resin fraction can represent a fraction that traditionally would have been included as part of a deasphalter rock fraction.

Abstract: The present disclosure relates to a process for producing a mono-alkylated aromatic compound using a treated catalyst made by a method of this invention is disclosed. The method comprises the steps of heating an untreated catalyst in the presence of a gaseous stream having a dew point temperature less than about 5° C. to form a treated catalyst. The treatment is effective to improve the activity and selectivity of the catalyst.

Abstract: Disclosed herein are methods of preparing dehydrogenation catalysts using non-halogen containing metal sources. The methods generally comprise the steps of providing a first solution comprising anions of a first metal selected from Group 14 of the Periodic Table of Elements, and impregnating an inorganic support with the first solution to obtain a first impregnated inorganic support, wherein the first solution has a pH value of less than the isoelectric point of the inorganic support. The dehydrogenation catalysts prepared in accordance with the methods of the present disclosure are typically free or substantially free of halogen species. Such catalysts may be particularly useful in the dehydrogenation of a feed comprising cyclohexane and/or methylcyclopentane.

Abstract: Disclosed herein is are methods of preparing dehydrogenation catalysts comprising the steps of calcining a catalyst precursor in an oxygen-containing atmosphere followed by a calcining the calcined catalyst precursor in a hydrogen-containing atmosphere and/or washing the calcined catalyst precursor with water. The dehydrogenation catalysts prepared in accordance with the methods of the present disclosure typically comprise a halogen content of less than 0.1 wt % based on the weight of the dehydrogenation catalyst. Such catalysts may be particularly useful in the dehydrogenation of a feed comprising cyclohexane and/or methylcyclopentane.

Abstract: Catalysts including at least one microporous material (e.g., zeolite), an organosilica material binder, and at least one catalyst metal are provided herein. Methods of making the catalysts, preferably without surfactants and processes of using the catalysts, e.g., for aromatic hydrogenation, are also provided herein.

Abstract: Catalysts including at least one microporous material (e.g., zeolite), an organosilica material binder, and at least one catalyst metal are provided herein. Methods of making the catalysts, preferably without surfactants and processes of using the catalysts, e.g., for aromatic hydrogenation, are also provided herein.