Patent application number | Description | Published |
20090093660 | AROMATIC ISOMERIZATION CATALYST AND ISOMERIZATION PROCESS - One exemplary embodiment can be an extruded C8 alkylaromatic isomerization catalyst. The extruded catalyst can include:
| 04-09-2009 |
20090093662 | AROMATIC ISOMERIZATION CATALYST - One exemplary embodiment can be a catalyst for a C8 aromatic isomerization process. The catalyst can include:
| 04-09-2009 |
20090143218 | REGENERATION PROCESS FOR A C8 ALKYLAROMATIC ISOMERIZATION CATALYST - One exemplary embodiment can be a regeneration process for a C8 alkylaromatic isomerization catalyst. The process can include: | 06-04-2009 |
20090155142 | MOLECULAR SIEVE AND CATALYST INCORPORATING THE SIEVE - One exemplary embodiment can be a molecular sieve for a catalyst for isomerizing xylenes. Generally, the molecular sieve, including at least one of an MFI, MEL, FER, MOR, TON, MTW, EUO, and MTT zeolite, can include:
| 06-18-2009 |
20090171135 | Process for C8 Alkylaromatic Isomerization - A process for isomerizing ethylbenzene into xylenes such as para-xylene using a zeolitic catalyst system based on low Si/Al | 07-02-2009 |
20100056837 | Alkyl Aromatic Isomerization Process Using a Catalyst Comprising a UZM-8HS Composition - A process for isomerizing alkyl aromatic hydrocarbons using a catalyst comprising a zeolite and a platinum group metal component is described. The zeolite comprises a new family of zeolites designated UZM-8HS which are derived from UZM-8 zeolites by treating the UZM-8 with a fluoro-silicate salt, an acid, etc. The UZM-8HS zeolites have unique x-ray diffraction patterns. | 03-04-2010 |
20100092351 | Molecular Sieve and Catalyst Incorporating the Sieve - One exemplary embodiment can be a molecular sieve for a catalyst for isomerizing xylenes. Generally, the molecular sieve, including at least one of an MFI, MEL, FER, MOR, TON, MTW, EUO, and MTT zeolite, can include:
| 04-15-2010 |
20100137667 | Aromatic Isomerization Catalyst and Isomerization Process - One exemplary embodiment can be an extruded C8 alkylaromatic isomerization catalyst. The extruded catalyst can include:
| 06-03-2010 |
20100152511 | Hydrocarbon Conversion Using an Improved Molecular Sieve - The present invention comprises a hydrocarbon-conversion process using an improved MgAPSO-31 molecular sieve which demonstrates a favorable combination of conversion and selectivity in aromatics conversion. The sieve has a specific combination of crystal configuration, being limited in diameter and length, specified crystallinity as measured by an X-Ray Diffraction Index (XRDI), and a narrow range of magnesium content. | 06-17-2010 |
20100152512 | Hydrocarbon Conversion Using An Improved Molecular Sieve - The present invention comprises a hydrocarbon-conversion process using an improved MgMxAPSO-31 molecular sieve which demonstrates a favorable combination of conversion and selectivity in aromatics conversion. The sieve comprises at least two divalent elements with narrow specific concentration limits in the framework structure having defined crystal characteristics. The element Mx may comprise one or more of manganese, cobalt, nickel, iron and zinc. | 06-17-2010 |
20110158859 | PROCESS FOR ISOMERIZING A NON-EQUILIBRIUM ALKYLAROMATIC FEED MIXTURE AND AN AROMATIC PRODUCTION FACILITY - One exemplary embodiment can be a process for the isomerization of a non-equilibrium alkylaromatic feed mixture. The process can include contacting the non-equilibrium alkylaromatic feed mixture in a C8 isomerization zone. The C8 isomerization zone may include a first isomerization stage and a second isomerization stage. At the first isomerization stage, at least a portion of the non-equilibrium alkylaromatic feed mixture can be contacted at a first isomerization condition in a liquid phase in the substantial absence of hydrogen to obtain an intermediate stream. At the second isomerization stage, at least part of the intermediate stream and at least a part of a stream rich in at least one naphthene can be contacted at a second isomerization condition to obtain a concentration of at least one alkylaromatic isomer that is higher than a concentration of that at least one alkylaromatic isomer in the non-equilibrium feed mixture. | 06-30-2011 |
20120251406 | Process for Isomerizing a Non-Equilibrium Alkylaromatic Feed Mixture and an Aromatic Production Facility - One exemplary embodiment can be a process for the isomerization of a non-equilibrium alkylaromatic feed mixture. The process can include contacting the non-equilibrium alkylaromatic feed mixture in a C8 isomerization zone. The C8 isomerization zone may include a first isomerization stage and a second isomerization stage. At the first isomerization stage, at least a portion of the non-equilibrium alkylaromatic feed mixture can be contacted at a first isomerization condition in a liquid phase in the substantial absence of hydrogen to obtain an intermediate stream. At the second isomerization stage, at least part of the intermediate stream and at least a part of a stream rich in at least one naphthene can be contacted at a second isomerization condition to obtain a concentration of at least one alkylaromatic isomer that is higher than a concentration of that at least one alkylaromatic isomer in the non-equilibrium alkylaromatic feed mixture. | 10-04-2012 |