An integrated process for conversion of a hydrocarbon stream comprising at least 60% by weight C5-C6 normal paraffins and iso-paraffins to enhanced value aromatics. The process includes passing the hydrocarbon stream through the first reactor, the first reactor being an aromatization reactor with an aromatization catalyst disposed therein to generate an aromatization product stream. The process further includes passing the aromatization product stream through a separator configured to remove C1-C4 gases to generate an aromatic rich stream. The process finally includes passing the aromatic rich stream combined with a reformate effluent fraction from a catalytic reforming unit to an aromatic recovery complex to separate the aromatic rich stream into a benzene fraction, a toluene fraction, a para-xylene fraction, an aromatic bottoms fraction comprising C9+ aromatic hydrocarbons, and a non-aromatics fraction. An associated system for performing the process is also provided.

An integrated process for conversion of a hydrocarbon stream comprising at least 60% by weight C5-C6 normal paraffins and iso-paraffins to enhanced value aromatics. The process includes passing the hydrocarbon stream through the first reactor, the first reactor being an aromatization reactor with an aromatization catalyst disposed therein to generate an aromatization product stream. The process further includes passing the aromatization product stream through a separator configured to remove C1-C4 gases to generate an aromatic rich stream. The process finally includes passing the aromatic rich stream combined with a reformate effluent fraction from a catalytic reforming unit to an aromatic recovery complex to separate the aromatic rich stream into a benzene fraction, a toluene fraction, a para-xylene fraction, an aromatic bottoms fraction comprising C9+ aromatic hydrocarbons, and a non-aromatics fraction. An associated system for performing the process is also provided.

The present invention relates to a material comprising (i) an inner part comprising or consisting of bulk silicon, (ii) an outer part comprising or consisting of a silicon-based compound, said silicon-based compound comprising of silicon and a non-metal element, and (iii) clusters comprising or consisting of a transition metal. The present invention relates to preparation and applications of said material.

The present invention relates to a material comprising (i) an inner part comprising or consisting of bulk silicon, (ii) an outer part comprising or consisting of a silicon-based compound, said silicon-based compound comprising of silicon and a non-metal element, and (iii) clusters comprising or consisting of a transition metal. The present invention relates to preparation and applications of said material.

Device and process for converting a feedstock of aromatic compounds, in which the feedstock is notably treated using a fractionation train (4-7), a xylenes separating unit (10) and an isomerization unit (11), and in which a pyrolysis unit (13) treats a second hydrocarbon-based feedstock, produces a pyrolysis effluent feeding the feedstock, and produces a pyrolysis gas comprising CO, CO2 and H2; a WGS water gas shift reaction section (50) suitable for treating the pyrolysis gas and for producing a WGS gas enriched in CO2 and in hydrogen; a CO2 aromatization reaction section (52) suitable for: at least partly treating the WGS gas to produce a hydrocarbon effluent comprising aromatic compounds, and feeding the feedstock with the hydrocarbon effluent.

Device and process for converting a feedstock of aromatic compounds, in which the feedstock is notably treated using a fractionation train (4-7), a xylenes separating unit (10) and an isomerization unit (11), and in which a pyrolysis unit (13) treats a second hydrocarbon-based feedstock, produces a pyrolysis effluent feeding the feedstock, and produces a pyrolysis gas comprising CO, CO2 and H2; a WGS water gas shift reaction section (50) suitable for treating the pyrolysis gas and for producing a WGS gas enriched in CO2 and in hydrogen; a CO2 aromatization reaction section (52) suitable for: at least partly treating the WGS gas to produce a hydrocarbon effluent comprising aromatic compounds, and feeding the feedstock with the hydrocarbon effluent.

Processes for converting C8 aromatic hydrocarbons. In some embodiments, the process can include feeding a gaseous hydrocarbon feed that can include meta-xylene, ortho-xylene, or both into a conversion zone. The process can also include contacting the gaseous hydrocarbon feed with a catalyst that can include a ZSM-11 zeolite in the conversion zone under conversion conditions to effect isomerization of at least a portion of any meta-xylene, or at least a portion of any ortho-xylene, or both to produce a conversion product rich in para-xylene. In some embodiments, the ZSM-11 zeolite can have an alpha value of 1 to 3,000 and a molar ratio of silica to alumina of from 15 to 200.

Processes for converting C8 aromatic hydrocarbons. In some embodiments, the process can include feeding a gaseous hydrocarbon feed that can include meta-xylene, ortho-xylene, or both into a conversion zone. The process can also include contacting the gaseous hydrocarbon feed with a catalyst that can include a ZSM-11 zeolite in the conversion zone under conversion conditions to effect isomerization of at least a portion of any meta-xylene, or at least a portion of any ortho-xylene, or both to produce a conversion product rich in para-xylene. In some embodiments, the ZSM-11 zeolite can have an alpha value of 1 to 3,000 and a molar ratio of silica to alumina of from 15 to 200.

Device and process for the conversion of a feedstock of aromatic compounds, in which the feedstock is treated notably by means of a fractionation train (4-7), a xylene separation unit (10) and an isomerization unit (11), and in which a pyrolysis unit (13) treats a second hydrocarbon feedstock, produces a pyrolysis effluent feeding the feedstock, and produces a pyrolysis gas comprising CO, CO.sub.2 and H.sub.2; a reverse water gas shift RWGS reaction section (50) treats the pyrolysis gas and produces an RWGS gas enriched in CO and in water; a fermentation reaction section (52) treats the RWGS gas enriched in CO and in water, to produce ethanol and recycle the ethanol to the inlet of the pyrolysis unit.

Device and process for the conversion of a feedstock of aromatic compounds, in which the feedstock is treated notably by means of a fractionation train (4-7), a xylene separation unit (10) and an isomerization unit (11), and in which a pyrolysis unit (13) treats a second hydrocarbon feedstock, produces a pyrolysis effluent feeding the feedstock, and produces a pyrolysis gas comprising CO, CO.sub.2 and H.sub.2; a reverse water gas shift RWGS reaction section (50) treats the pyrolysis gas and produces an RWGS gas enriched in CO and in water; a fermentation reaction section (52) treats the RWGS gas enriched in CO and in water, to produce ethanol and recycle the ethanol to the inlet of the pyrolysis unit.