Integrated catalytic cracking and reforming processes to improve p-xylene production
    3.
    发明授权
    Integrated catalytic cracking and reforming processes to improve p-xylene production 有权
    综合催化裂化和重整方法改善对二甲苯生产

    公开(公告)号:US08524961B2

    公开(公告)日:2013-09-03

    申请号:US13269096

    申请日:2011-10-07

    IPC分类号: C07C7/00 C10G57/00 C10G55/02

    摘要: A process for maximizing p-xylene production includes producing a naphtha fraction and a light cycle oil fraction from a fluid catalytic cracking zone. These fractions are combined and hydrotreated. Fractionation of the hydrotreated product makes a hydrocracker feed that is sent to a hydrocracking zone to make a naphtha cut and a hydrocracker product. The hydrocracker product is recycled back to the fractionation zone, and the naphtha cut is dehydrogenated in a dehydrogenation zone to make aromatics. Reforming catalyst from a catalyst regenerator moves downward through the dehydrogenation zone. Straight run naphtha and raffinate from the aromatics unit are introduced to an additional series of reforming zones. The reforming catalyst moves in parallel through the first reforming zone and the dehydrogenation zones, then is combined for entry to the second and subsequent reforming zones prior to regeneration.

    摘要翻译: 最大化对二甲苯生产的方法包括从流化催化裂化区产生石脑油馏分和轻循环油馏分。 将这些级分合并加氢处理。 加氢处理产物的分级使得加氢裂化器进料被送入加氢裂化区以制备石脑油馏分和加氢裂化产物。 将加氢裂化产物再循环回分馏区,并在脱氢区中脱氢石脑油馏分以制备芳族化合物。 催化剂再生器重整催化剂向下移动通过脱氢区。 来自芳烃单元的直馏石脑油和萃余液被引入另外的一系列重整区。 重整催化剂通过第一重整区和脱氢区平行移动,然后在再生之前组合进入第二和随后的重整区。

    INTEGRATED CATALYTIC CRACKING AND REFORMING PROCESSES TO IMPROVE P-XYLENE PRODUCTION
    4.
    发明申请
    INTEGRATED CATALYTIC CRACKING AND REFORMING PROCESSES TO IMPROVE P-XYLENE PRODUCTION 有权
    综合催化裂化和改性方法改善对二甲苯生产

    公开(公告)号:US20130087483A1

    公开(公告)日:2013-04-11

    申请号:US13269096

    申请日:2011-10-07

    IPC分类号: C10G69/04

    摘要: A process for maximizing p-xylene production includes producing a naphtha fraction and a light cycle oil fraction from a fluid catalytic cracking zone. These fractions are combined and hydrotreated. Fractionation of the hydrotreated product makes a hydrocracker feed that is sent to a hydrocracking zone to make a naphtha cut and a hydrocracker product. The hydrocracker product is recycled back to the fractionation zone, and the naphtha cut is dehydrogenated in a dehydrogenation zone to make aromatics. Reforming catalyst from a catalyst regenerator moves downward through the dehydrogenation zone. Straight run naphtha and raffinate from the aromatics unit are introduced to an additional series of reforming zones. The reforming catalyst moves in parallel through the first reforming zone and the dehydrogenation zones, then is combined for entry to the second and subsequent reforming zones prior to regeneration.

    摘要翻译: 最大化对二甲苯生产的方法包括从流化催化裂化区产生石脑油馏分和轻循环油馏分。 将这些级分合并加氢处理。 加氢处理产物的分级使得加氢裂化器进料被送入加氢裂化区以制备石脑油馏分和加氢裂化产物。 将加氢裂化产物再循环回分馏区,并在脱氢区中脱氢石脑油馏分以制备芳族化合物。 催化剂再生器重整催化剂向下移动通过脱氢区。 来自芳烃单元的直馏石脑油和萃余液被引入另外的一系列重整区。 重整催化剂通过第一重整区和脱氢区平行移动,然后在再生之前组合进入第二和随后的重整区。

    REFORMING PROCESS WITH INTEGRATED FLUID CATALYTIC CRACKER GASOLINE AND HYDROPROCESSED CYCLE OIL
    5.
    发明申请
    REFORMING PROCESS WITH INTEGRATED FLUID CATALYTIC CRACKER GASOLINE AND HYDROPROCESSED CYCLE OIL 有权
    一体化流体催化裂化器汽油和氢化循环油的改造工艺

    公开(公告)号:US20130087482A1

    公开(公告)日:2013-04-11

    申请号:US13268883

    申请日:2011-10-07

    IPC分类号: C10G61/04

    摘要: A reforming process includes integrating catalytic cracking product naphtha dehydrogenation and naphtha from a hydrocracking zone and feeding them to a dehydrogenation zone. The dehydrogenation zone includes a first portion of reforming catalyst from a catalyst regenerator that moves downward through the dehydrogenation zone. A product stream from the dehydrogenation zone flows to an aromatics unit and is separated into an aromatic-rich extract and a raffinate. Straight run naphtha and the raffinate are introduced to a first reforming zone that includes a second portion of reforming catalyst. The reforming catalyst moves through the first reforming zone then is removed from the bottom of each of the first reforming zone and the dehydrogenation zone and is fed to a second reforming zone. An effluent from the first reforming zone is fed to a plurality of reforming zones. The reforming catalyst moves downward through the multiple refoiniing zones then to a regenerator.

    摘要翻译: 重整过程包括将加氢裂化区的催化裂化产物石脑油脱氢和石脑油整合并将其送入脱氢区。 脱氢区包括从催化剂再生器向下移动通过脱氢区的第一部分重整催化剂。 来自脱氢区的产物流流入芳烃单元并分离成富含芳烃的提取物和萃余液。 将直馏石脑油和提余液引入到包含第二部分重整催化剂的第一重整区。 重整催化剂移动通过第一重整区,然后从第一重整区和脱氢区的每一个的底部移除,并被送入第二重整区。 来自第一重整区的流出物被供给到多个重整区。 重整催化剂通过多个回油区向下移动到再生器。

    Integrated catalytic cracking gasoline and light cycle oil hydroprocessing to maximize p-xylene production
    7.
    发明授权
    Integrated catalytic cracking gasoline and light cycle oil hydroprocessing to maximize p-xylene production 有权
    综合催化裂化汽油和轻循环油加氢处理,以最大化对二甲苯生产

    公开(公告)号:US08617384B2

    公开(公告)日:2013-12-31

    申请号:US13269075

    申请日:2011-10-07

    IPC分类号: C10G55/06 C10G55/08

    摘要: A process for maximizing p-xylene production begins by producing a naphtha fraction and a light cycle oil fraction from a fluid catalytic cracking zone. The gasoline and light cycle oil fractions are combined and hydrotreated to produce a hydrotreated product. Fractionation of the hydrotreated product in a fractionation zone makes a light ends cut, a naphtha cut, a hydrocracker feed and an unconverted oil fraction. The hydrocracker feed is sent to a hydrocracking zone to make a hydrocracker product, which is then recycled back to the fractionation zone, feeding the hydrocracker product above an outlet for the hydrocracker feed, but below an outlet for the naphtha cut. The naphtha cut goes to a dehydrogenation zone where hydrogen is removed to make aromatics from naphthenes to make a dehydrogenated naphtha. The dehydrogenated naphtha is fed to an aromatics recovery unit to recover p-xylene and other aromatics.

    摘要翻译: 通过从流化催化裂化区中生产石脑油馏分和轻循环油馏分开始使对二甲苯生产最大化的方法。 将汽油和轻循环油馏分合并加氢处理以产生加氢处理的产物。 在分馏区中加氢处理的产物的分馏使轻馏分馏分,石脑油馏分,加氢裂化器进料和未转化的油馏分。 将加氢裂化器进料送至加氢裂化区以制备加氢裂化产物,然后将其再循环回分馏区,将加氢裂化产物供给加氢裂化器进料出口,但位于石脑油切割出口下方。 石脑油切割进入脱氢区,其中除去氢气以从环烷烃制备芳族化合物以制备脱氢石脑油。 将脱氢石脑油加入到芳烃回收装置中以回收对二甲苯和其它芳族化合物。

    Reforming process with integrated fluid catalytic cracker gasoline and hydroprocessed cycle oil
    8.
    发明授权
    Reforming process with integrated fluid catalytic cracker gasoline and hydroprocessed cycle oil 有权
    综合流体催化裂化装置汽油和加氢循环油改造工艺

    公开(公告)号:US08608941B2

    公开(公告)日:2013-12-17

    申请号:US13268883

    申请日:2011-10-07

    IPC分类号: C10G55/06 C10G55/02

    摘要: A reforming process includes integrating catalytic cracking product naphtha dehydrogenation and naphtha from a hydrocracking zone and feeding them to a dehydrogenation zone. The dehydrogenation zone includes a first portion of reforming catalyst from a catalyst regenerator that moves downward through the dehydrogenation zone. A product stream from the dehydrogenation zone flows to an aromatics unit and is separated into an aromatic-rich extract and a raffinate. Straight run naphtha and the raffinate are introduced to a first reforming zone that includes a second portion of reforming catalyst. The reforming catalyst moves through the first reforming zone then is removed from the bottom of each of the first reforming zone and the dehydrogenation zone and is fed to a second reforming zone. An effluent from the first reforming zone is fed to a plurality of reforming zones. The reforming catalyst moves downward through the multiple reforming zones then to a regenerator.

    摘要翻译: 重整过程包括将加氢裂化区的催化裂化产物石脑油脱氢和石脑油整合并将其送入脱氢区。 脱氢区包括从催化剂再生器向下移动通过脱氢区的第一部分重整催化剂。 来自脱氢区的产物流流入芳烃单元并分离成富含芳烃的提取物和萃余液。 将直馏石脑油和提余液引入到包含第二部分重整催化剂的第一重整区。 重整催化剂移动通过第一重整区,然后从第一重整区和脱氢区的每一个的底部移除,并被送入第二重整区。 来自第一重整区的流出物被供给到多个重整区。 重整催化剂通过多个重整区向下移动到再生器。

    INTEGRATED CATALYTIC CRACKING GASOLINE AND LIGHT CYCLE OIL HYDROPROCESSING TO MAXIMIZE P-XYLENE PRODUCTION
    9.
    发明申请
    INTEGRATED CATALYTIC CRACKING GASOLINE AND LIGHT CYCLE OIL HYDROPROCESSING TO MAXIMIZE P-XYLENE PRODUCTION 有权
    集成催化裂化汽油和轻质循环油加氢以最大限度地提高对二甲苯生产

    公开(公告)号:US20130087484A1

    公开(公告)日:2013-04-11

    申请号:US13269075

    申请日:2011-10-07

    IPC分类号: C10G57/00

    摘要: A process for maximizing p-xylene production begins by producing a naphtha fraction and a light cycle oil fraction from a fluid catalytic cracking zone. The gasoline and light cycle oil fractions are combined and hydrotreated to produce a hydrotreated product. Fractionation of the hydrotreated product in a fractionation zone makes a light ends cut, a naphtha cut, a hydrocracker feed and an unconverted oil fraction. The hydrocracker feed is sent to a hydrocracking zone to make a hydrocracker product, which is then recycled back to the fractionation zone, feeding the hydrocracker product above an outlet for the hydrocracker feed, but below an outlet for the naphtha cut. The naphtha cut goes to a dehydrogenation zone where hydrogen is removed to make aromatics from naphthenes to make a dehydrogenated naphtha. The dehydrogenated naphtha is fed to an aromatics recovery unit to recover p-xylene and other aromatics.

    摘要翻译: 通过从流化催化裂化区中生产石脑油馏分和轻循环油馏分开始使对二甲苯生产最大化的方法。 将汽油和轻循环油馏分合并加氢处理以产生加氢处理的产物。 在分馏区中加氢处理的产物的分馏使轻馏分馏分,石脑油馏分,加氢裂化器进料和未转化的油馏分。 将加氢裂化器进料送至加氢裂化区以制备加氢裂化产物,然后将其再循环回分馏区,将加氢裂化产物供给加氢裂化器进料出口,但位于石脑油切割出口下方。 石脑油切割进入脱氢区,其中除去氢气以从环烷烃制备芳族化合物以制备脱氢石脑油。 将脱氢石脑油加入到芳烃回收装置中以回收对二甲苯和其它芳族化合物。

    Dual riser catalytic cracker for increased light olefin yield
    10.
    发明授权
    Dual riser catalytic cracker for increased light olefin yield 有权
    双重提升式催化裂化器,用于提高轻烯烃产率

    公开(公告)号:US09238600B2

    公开(公告)日:2016-01-19

    申请号:US13325292

    申请日:2011-12-14

    摘要: A process for improving the yield of ethylene and propylene from a light naphtha feedstock includes obtaining light naphtha feedstock from a primary cracking zone having a cracking catalyst. The light naphtha feedstock is contacted with an olefin catalyst in an olefin producing zone to produce an ethylene- and propylene-rich stream. After reacting with the olefin catalyst, the ethylene- and propylene-rich stream is separated from the olefin catalyst from in a separator zone. At least a portion of the olefin catalyst is regenerated by combusting coke deposited on a surface of the olefin catalyst in an oxygen-containing environment, and at least a portion of the olefin catalyst is heated. These portions could be the same one or they could be different. In some embodiments, at least a portion of the olefin catalyst could be neither regenerated nor heated. The olefin catalyst is returned to the olefin producing zone.

    摘要翻译: 从轻石脑油原料提高乙烯和丙烯的产率的方法包括从具有裂化催化剂的一次裂解区获得轻质石脑油原料。 轻质石脑油原料与烯烃生产区中的烯烃催化剂接触以产生富含乙烯和丙烯的料流。 在与烯烃催化剂反应后,将乙烯和富丙烯物流从分离器区域与烯烃催化剂分离。 至少一部分烯烃催化剂通过在含氧环境中燃烧沉积在烯烃催化剂的表面上的焦炭再生,至少部分烯烃催化剂被加热。 这些部分可以是相同的,也可以是不同的。 在一些实施方案中,烯烃催化剂的至少一部分既不能再生也不能加热。 将烯烃催化剂返回到烯烃生产区。