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公开(公告)号：US20240158704A1
公开(公告)日：2024-05-16
申请号：US18055531
申请日：2022-11-15
CPC分类号： C10G45/58 , C10G55/06 , C10G2300/1096 , C10G2400/20
摘要： A process for reverse isomerization of a light naphtha feedstock containing branched C5-C7 paraffins. The process includes feeding a mixed feed stream including the light naphtha feedstock to a separation unit to generate an iso-paraffin stream and one or more normal paraffin streams. The process further includes mixing hydrogen gas and a hydrocarbon feed stream containing the iso-paraffin stream to form a hydrogen-enriched liquid feed stream which is provided to a reverse isomerization reactor. The hydrogen-enriched liquid feed stream is contacted with a solid reverse isomerization catalyst for reverse hydroisomerization in a substantially two-phase liquid-solid reverse isomerization fixed-bed reaction zone convert iso-paraffins to normal paraffins. The isomerization effluent stream is provided to a stabilization column to generate a stabilized isomerate stream which is combined with the light naphtha feedstock to generate the mixed feed stream. An associated system for performing the process is also provided.
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公开(公告)号：US11267769B2
公开(公告)日：2022-03-08
申请号：US17154561
申请日：2021-01-21
摘要： Systems and methods for hydrodearylation of a hydrocarbon feed stream comprising non-condensed alkyl-bridged multi-aromatic hydrocarbons, the method including supplying a hydrogen feed to the hydrocarbon feed stream comprising non-condensed alkyl-bridged multi-aromatic hydrocarbons; mixing the hydrogen feed with the hydrocarbon feed stream to saturate the hydrocarbon feed stream with hydrogen gas to create a hydrogen-enriched liquid hydrocarbon stream; passing the hydrogen-enriched liquid hydrocarbon stream to a hydrodearylation reactor without a separate gaseous phase of hydrogen; allowing the hydrogen-enriched liquid hydrocarbon stream to react in presence of a catalyst under specific reaction conditions to produce a product stream comprising a reduced concentration of di-aromatic compounds and an increased concentration of mono-aromatic compounds compared to the hydrocarbon feed stream comprising non-condensed alkyl-bridged multi-aromatic hydrocarbons; and recovering, from the hydrodearylation reactor, a product stream for a downstream process, wherein the non-condensed alkyl-bridged multi-aromatic hydrocarbons include at least two benzene rings connected by an alkyl bridge group having at least two carbons, wherein the benzene rings are connected to different carbons of the alkyl bridge group.
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公开(公告)号：US10899685B1
公开(公告)日：2021-01-26
申请号：US16594768
申请日：2019-10-07
摘要： Systems and methods for hydrodearylation of a hydrocarbon feed stream comprising non-condensed alkyl-bridged multi-aromatic hydrocarbons, the method including supplying a hydrogen feed to the hydrocarbon feed stream comprising non-condensed alkyl-bridged multi-aromatic hydrocarbons; mixing the hydrogen feed with the hydrocarbon feed stream to saturate the hydrocarbon feed stream with hydrogen gas to create a hydrogen-enriched liquid hydrocarbon stream; passing the hydrogen-enriched liquid hydrocarbon stream to a hydrodearylation reactor without a separate gaseous phase of hydrogen; allowing the hydrogen-enriched liquid hydrocarbon stream to react in presence of a catalyst under specific reaction conditions to produce a product stream comprising a reduced concentration of di-aromatic compounds and an increased concentration of mono-aromatic compounds compared to the hydrocarbon feed stream comprising non-condensed alkyl-bridged multi-aromatic hydrocarbons; and recovering, from the hydrodearylation reactor, a product stream for a downstream process, wherein the non-condensed alkyl-bridged multi-aromatic hydrocarbons include at least two benzene rings connected by an alkyl bridge group having at least two carbons, wherein the benzene rings are connected to different carbons of the alkyl bridge group.
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公开(公告)号：US10294172B2
公开(公告)日：2019-05-21
申请号：US16032642
申请日：2018-07-11
发明人： Bruce Richard Beadle , Vinod Ramaseshan , Rakan Sulaiman Bilaus , Omer R. Koseoglu , Robert P. Hodgkins
摘要： Provided here are processes and systems for conversion of alkyl-bridged non-condensed alkyl multi-aromatic compounds to alkyl mono-aromatic compounds. One system includes a hydrodearylation reactor adapted to receive a hydrogen stream and a feed stream and to produce a reactor effluent stream in presence of a catalyst. The feed stream contains one or more of heavy alkyl aromatic compounds and one or more alkyl-bridged non-condensed alkyl multi-aromatic compounds. The reactor effluent stream contains one or more alkyl mono-aromatic compounds. The system also includes a first separator fluidly coupled to the hydrodearylation reactor and adapted to receive the reactor effluent stream and to produce a hydrodearylated gas stream and a hydrodearylated liquid stream. The system also includes a second separator fluidly coupled to the first separator and adapted to receive a portion of the hydrodearylated gas stream and to produce a hydrocarbon liquid stream and a vapor stream rich in hydrogen.
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5.发明授权公开(公告)号：US09115318B2
公开(公告)日：2015-08-25
申请号：US13667694
申请日：2012-11-02
CPC分类号： C10G65/12 , C10G49/007 , C10G2300/202 , C10G2300/301 , C10G2300/4006 , C10G2300/4012 , C10G2300/42
摘要： An intermediate hydrogen separation and absorption-based purification system is integrated with a hydrocracking process for the production of relatively lower molecular weight products from a relatively heavy feedstock including sulfur-containing and nitrogen-containing hydrocarbon compounds. The integrated process allows the processing of heavy hydrocarbon feedstock having high nitrogen and high sulfur contents in a single-stage configuration and the using of noble metal catalyst in the hydrocracking reaction zone. The integrated process increases the overall catalytic activity and hydrogenation capability to produce superior distillate products.
摘要翻译： 中间氢分离和吸收型净化系统与加氢裂化方法整合，用于从相对较重的原料（包括含硫和含氮烃化合物）生产相对较低分子量的产物。 一体化方法允许在单级构型中处理具有高氮和高硫含量的重质烃原料以及在加氢裂化反应区中使用贵金属催化剂。 综合工艺提高了总体催化活性和氢化能力，以生产出优质的馏出物。
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公开(公告)号：US11999912B1
公开(公告)日：2024-06-04
申请号：US18055531
申请日：2022-11-15
CPC分类号： C10G45/58 , C10G55/06 , C10G2300/1096 , C10G2400/20
摘要： A process for reverse isomerization of a light naphtha feedstock containing branched C5-C7 paraffins. The process includes feeding a mixed feed stream including the light naphtha feedstock to a separation unit to generate an iso-paraffin stream and one or more normal paraffin streams. The process further includes mixing hydrogen gas and a hydrocarbon feed stream containing the iso-paraffin stream to form a hydrogen-enriched liquid feed stream which is provided to a reverse isomerization reactor. The hydrogen-enriched liquid feed stream is contacted with a solid reverse isomerization catalyst for reverse hydroisomerization in a substantially two-phase liquid-solid reverse isomerization fixed-bed reaction zone convert iso-paraffins to normal paraffins. The isomerization effluent stream is provided to a stabilization column to generate a stabilized isomerate stream which is combined with the light naphtha feedstock to generate the mixed feed stream. An associated system for performing the process is also provided.
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公开(公告)号：US20230193145A1
公开(公告)日：2023-06-22
申请号：US18069556
申请日：2022-12-21
发明人： Vinod Ramaseshan , Emad Al Subaie , Hector Infante , Jesse Williams , Rustam Ismagilov , Abdalaziz A. Al-Balawi , Ashok Kumar Choudhary
IPC分类号： C10G67/04 , C10G7/06 , C10G47/00 , C10G21/00 , C10C3/04 , C10C3/14 , C10C3/08 , C10G49/00 , C10G67/16
CPC分类号： C10G67/049 , C10G7/06 , C10G47/00 , C10G21/003 , C10C3/04 , C10C3/14 , C10C3/08 , C10G49/00 , C10G67/16 , C10G2300/1077 , C10G2300/301 , C10G2300/44 , C10G2300/302
摘要： Provided is a system to upgrade an input stream of a straight run vacuum residue or a cracked feedstock that includes a vacuum column, a hydrocracking unit, a high lift solvent deasphalting unit, a low lift solvent deasphalting unit, and a bitumen blowing unit or a pitch pelletizing unit, and optionally a hydrotreating reactor. The system and components thereof may pass a distillate and naphtha product, a light ends product, an asphaltene-lean heavy deasphalted oil stream, an asphaltene-rich pitch stream, a light deasphalted oil that is a lube base feed stock, a heavy oil stream, a bitumen and asphalt stream or a solid fuel. Further provided is a process, including introducing a straight run vacuum residue or a cracked feed stock into a system, and operating the system including a step of fractionating, a step of solvent stage deasphalting, and a step of hydrocracking.
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公开(公告)号：US11248180B2
公开(公告)日：2022-02-15
申请号：US17148221
申请日：2021-01-13
摘要： An integrated upgrading process for upgrading a heavy oil, the process comprising the steps of introducing a heavy oil to a visbreaker unit; processing the heavy oil in the visbreaker unit to produce a visbreaker product stream; feeding the visbreaker product stream to a fractionator; separating the visbreaker product stream in the fractionator to produce a bottoms stream, a gas oil stream, a naphtha stream, and a gas product stream; feeding the bottoms stream to a supercritical water unit; and processing the bottoms stream in the supercritical water unit to produce an upgraded bottoms stream.
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公开(公告)号：US10934495B2
公开(公告)日：2021-03-02
申请号：US16123976
申请日：2018-09-06
发明人： Omer Refa Koseoglu , Robert Peter Hodgkins , Bruce Richard Beadle , Vinod Ramaseshan , Rakan Sulaiman Bilaus
摘要： Systems and methods for crude oil separation and upgrading, which include the ability to reduce aromatic complex bottoms content in gasoline and higher-quality aromatic compounds. In some embodiments, aromatic complex bottoms are recycled for further processing. In some embodiments, aromatic complex bottoms are separated for further processing.
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公开(公告)号：US20200318020A1
公开(公告)日：2020-10-08
申请号：US16906530
申请日：2020-06-19
摘要： Techniques for processing residuum include receiving a feed stream that includes a residuum hydrocarbon fraction at an ebullated bed hydroconversion reactor; contacting the residuum hydrocarbon fraction with hydrogen and a hydroconversion catalyst in the ebullated bed hydroconversion reactor to produce a partially converted reactor effluent product; separating, in a first separation zone, the partially converted reactor effluent product into a distillate stream and a heavy hydrocarbon stream; feeding the distillate stream to a bottom portion of an integrated hydrocracking/hydrofinishing reactor; and feeding the heavy hydrocarbon stream to a top portion of the hydrofinishing reactor.
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