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1. 发明申请

US20200002252A1 PROCESS FOR PRODUCING PARA-XYLENE USING A STEP IN A SIMULATED MOVING BED AND A STEP OF FRACTIONATION VIA A THREE-FRACTION COLUMN 审中-公开
公开(公告)号：US20200002252A1
公开(公告)日：2020-01-02
申请号：US16454406
申请日：2019-06-27
申请人： AXENS
发明人： Isabelle PREVOST , Jerome PIGOURIER , Pierre-Yves MARTIN , Arnaud COTTE
IPC分类号： C07C15/08 , C07C7/04 , B01D3/14
摘要： The present invention relates to a process for producing high-purity para-xylene, comprising a single step of separation by adsorption in an SMB, with a subsequent step of separation by distillation in a first three-fraction distillation column producing at least two raffinates and optionally of two isomerization steps, making it possible to improve the overall para-xylene yield of the aromatic loop and to minimize the economic impact.

2. 发明申请

US20220403262A1 HYDROCRACKING PROCESS 有权
公开(公告)号：US20220403262A1
公开(公告)日：2022-12-22
申请号：US17841829
申请日：2022-06-16
申请人： AXENS
发明人： Jerome BONNARDOT , Hugues DULOT , Alexis PAILLIER , Jerome PIGOURIER , Nicolas PUPAT
IPC分类号： C10G67/02 , B01J19/00 , B01J19/24 , B01D3/14 , B01D3/34 , B01D3/42
摘要： A process for hydrocracking a petroleum feedstock involves: (a) hydrocracking the feedstock to obtain a hydrocracked effluent; (b) liquid/gas separation of the effluent to obtain a gaseous effluent and a liquid effluent; (c) fractionating the liquid effluent at a pressure P1, producing a first distillate and a first residue, (d) recycling a first portion of the first residue to hydrocracking, (e) rectifying a second portion of the first residue at a pressure P2 lower than or equal to the pressure P1, to obtain a secondary distillate, a secondary residue and a vapor stream, (f) purging a portion of the secondary residue, and (g) recycling all or part of the secondary distillate to hydrocracking.

3. 发明申请

US20170175014A1 Fractionation process for a process for oligomerising light olefins 审中-公开
公开(公告)号：US20170175014A1
公开(公告)日：2017-06-22
申请号：US15388232
申请日：2016-12-22
申请人： AXENS
发明人： Isabelle PREVOST , Jerome PIGOURIER
IPC分类号： C10G57/02
CPC分类号： C10G57/02 , C10G7/00 , C10G7/02 , C10G50/00 , C10G2300/1092 , C10G2400/02 , C10G2400/06 , C10G2400/28
摘要： The invention relates to a process for oligomerising light olefins in which the effluent from the oligomerisation section is passed to a prefractionator that leads to at least one head fraction containing a mixture of liquefied petroleum gas and light gasoline and a bottom fraction containing a mixture of heavy gasoline and middle distillate, the said head fraction being passed to a debutaniser that leads to at least one liquefied petroleum gas cut and a light gasoline cut, the said bottom fraction and at least part of the said light gasoline cut being passed to a separator enabling at least a gaseous fraction, a gasoline fraction and a gasoil fraction to be obtained.

4. 发明申请

US20170044447A1 GASOLINE PRODUCTION PROCESS COMPRISING AN ISOMERIZATION STEP FOLLOWED BY AT LEAST TWO SEPARATION STEPS 审中-公开
标题翻译：汽油生产过程包含至少两个分离步骤的异构化步骤
公开(公告)号：US20170044447A1
公开(公告)日：2017-02-16
申请号：US15307593
申请日：2015-04-20
申请人： AXENS
发明人： Jerome PIGOURIER , Isabelle PREVOST , Laurent WATRIPONT , Pierre-Yves MARTIN
IPC分类号： C10G61/02 , C10L1/06
CPC分类号： C10G61/02 , C10G7/00 , C10G45/58 , C10G2300/104 , C10G2300/1044 , C10G2400/02 , C10L1/06 , C10L2200/0423 , C10L2290/543
摘要： The present invention describes a process for the production of high octane number gasoline by isomerization of a light naphtha cut, comprising two separation steps located downstream of the reaction step which can be used to improve the energy efficiency of said process.
摘要翻译：本发明描述了通过轻石脑油切割的异构化生产高辛烷值汽油的方法，包括位于反应步骤下游的两个分离步骤，其可用于提高所述方法的能量效率。

5. 发明申请

US20180179122A1 PROCESS FOR THE OLIGOMERIZATION OF OLEFINS EMPLOYING A CLEANING DEVICE 审中-公开
公开(公告)号：US20180179122A1
公开(公告)日：2018-06-28
申请号：US15850641
申请日：2017-12-21
申请人： AXENS , IFP Energies Nouvelles
发明人： Catherine BOUTROT , Nicolas JANOT , Xavier LIEGE , Etienne NIDERKORN , Jerome PIGOURIER , Daniel Jean VINEL , Frederic FAVRE , Lionel MAGNA
IPC分类号： C07C2/08 , B01D3/14
CPC分类号： C07C2/08 , B01D3/14 , B01J19/002 , B01J19/2465 , B01J2219/00006 , B01J2219/00103 , B01J2219/00247 , B01J2219/00252 , B01J2219/00254 , B01J2231/20 , C07C2/30 , C08F210/16 , C07C11/02 , C07C11/08
摘要： The invention concerns a process for the oligomerization of ethylene into alpha-olefins, comprising a step for the oligomerization of ethylene, a step for deactivation of the catalyst, a and step for separation of the products, the reactor being provided with a cooling loop (100, 101, 102) by means of which at least a portion of the reaction effluent is moved through at least two switchable heat exchangers, said heat exchangers being cleaned alternately by means of an integrated cleaning device.

6. 发明申请

US20170183584A1 INSTALLATION AND PROCESS FOR JOINTLY IMPLEMENTING COMPRESSION OF THE ACID GASES FROM THE HYDROCONVERSION OR HYDROTREATMENT UNIT AND THAT OF THE GASEOUS EFFLUENTS FROM THE CATALYTIC CRACKING UNIT 审中-公开
公开(公告)号：US20170183584A1
公开(公告)日：2017-06-29
申请号：US15388312
申请日：2016-12-22
申请人： AXENS
发明人： Odile LAJEUNESSE , Nicolas LAMBERT , Jacinthe FRECON , Jerome PIGOURIER
IPC分类号： C10G69/04
摘要： The invention concerns an installation and a process which jointly implement compression of the acid gases from the hydroconversion or hydrotreatment unit and that of the gaseous effluents from the catalytic cracking unit.

7. 发明申请

US20210261483A1 METHOD FOR PRODUCING PARAXYLENE USING A SIMULATED MOVING-BED STEP, AND A STEP OF FRACTIONATING TWO FRACTIONS IN A TWO-SECTION COLUMN 有权
公开(公告)号：US20210261483A1
公开(公告)日：2021-08-26
申请号：US17256290
申请日：2019-06-21
申请人： AXENS
发明人： Isabelle PREVOST , Jerome PIGOURIER , Gerard HOTIER
IPC分类号： C07C7/00 , C07C7/13 , C07C7/04 , C07C5/27 , B01D15/18 , B01D3/14 , B01D3/32
摘要： The present invention describes a process for obtaining para-xylene from a feedstock containing xylenes, ethylbenzene and C9+ hydrocarbons, said process comprising a single stage A of separation in a simulated moving bed carried out with a zeolite as adsorbent and a desorbent and making it possible to obtain at least three fractions, a fraction A1 comprising a mixture of para-xylene and of desorbent and two fractions A21, A22 comprising ethylbenzene (EB), ortho-xylene (OX) and meta-xylene (MX) and desorbent, said stage is carried out at a temperature between 20° C. and 250° C., under a pressure between the bubble pressure of the xylenes at the operating temperature and 2.0 MPa, and with a ratio by volume of the desorbent to the feedstock in the unit for separation 2 in a simulated moving bed is between 0.4 and 2.5, a stage B of fractionation by distillation in a 2-cut distillation column of the fractions A21 and A22 resulting from stage A, in which said fractions are introduced separately at distinct injection points, and makes it possible to obtain a fraction B2 containing ethylbenzene, ortho-xylene and meta-xylene, and a fraction B42 devoid of aromatic compounds having 8 carbon atoms and containing desorbent.

8. 发明申请

US20170058203A1 NAPHTHA ISOMERIZATION PROCESS COMPRISING TWO THERMALLY INTEGRATED STEPS 审中-公开
标题翻译：包含两个热集成步骤的NAPHTHAT异构化过程
公开(公告)号：US20170058203A1
公开(公告)日：2017-03-02
申请号：US15307405
申请日：2015-04-20
申请人： AXENS
发明人： Isabelle PREVOST , Laurent WATRIPONT , Pierre-Yves MARTIN , Jerome PIGOURIER
IPC分类号： C10G7/00 , B01D3/14 , B01D3/32 , B01D3/00 , C10G57/00 , C10L1/06
CPC分类号： C10G7/00 , B01D3/007 , B01D3/009 , B01D3/143 , B01D3/322 , C10G45/58 , C10G57/00 , C10G2300/104 , C10G2300/1044 , C10G2400/02 , C10L1/06 , C10L3/12 , C10L2290/543
摘要： The present invention describes a process for the isomerization of a light naphtha with a view to forming high octane number gasolines, said process using a deisopentanizer and a deisohexanizer which are thermally integrated in a manner such as to reduce the consumption of the high temperature utilities employed in the process.
摘要翻译：本发明描述了一种用于形成高辛烷值汽油的轻石脑油的异构化方法，所述方法使用去异戊烷剂和去异己酸酯，其以如下方式热集成，以减少所用的高温公用事业的消耗正在进行中。

9. 发明申请

US20160107954A1 PROCESS FOR THE ISOMERIZATION OF C5/C6 HYDROCARBON CUTS WITH CHLORINATED COMPOUND RECYCLING 有权
标题翻译： C5 / C6碳氢化合物与氯化化合物回收异构化方法
公开(公告)号：US20160107954A1
公开(公告)日：2016-04-21
申请号：US14886912
申请日：2015-10-19
申请人： AXENS
发明人： Jerome PIGOURIER , Isabelle PREVOST , Laurent WATRIPONT , Pierre-Yves MARTIN
IPC分类号： C07C5/27
CPC分类号： C07C5/2772 , C07C5/2791 , C07C7/11 , C07C2521/04 , C07C2523/42 , C07C2527/06 , C10G35/04 , C10G45/60 , C07C9/16 , C07C9/18
摘要： A process for the isomerization of a feed of hydrocarbon compounds containing C5 and/or C6 hydrocarbon compounds, in which process: a) an isomerization unit (1) is supplied with at least one liquid fraction of the feed of hydrocarbon compounds and the isomerization is carried out in the presence of a chlorinated catalyst; b) a stabilization unit (20) containing at least one stabilization column (2) is supplied with the effluent obtained from the isomerization unit (1) and a separation is carried out in the stabilization unit (20); c) an absorption unit (7) contains at least one absorption column (3); d) a liquid flow enriched in chlorinated compounds is extracted from the absorption unit (7) and returned to the isomerization unit (1); e) the liquid flow containing at least one isomerate of the feed of hydrocarbon compounds is extracted from the stabilization unit (20).
摘要翻译：含有C5和/或C6烃化合物的烃化合物进料异构化的方法，其中方法：a）异构化单元（1）被供给至少一种烃化合物进料的液体馏分，异构化为在氯化催化剂存在下进行; b）将含有至少一个稳定塔（2）的稳定单元（20）供给从异构化单元（1）获得的流出物，并在稳定单元（20）中进行分离; c）吸收单元（7）包含至少一个吸收塔（3）; d）从吸收单元（7）中提取富含氯化合物的液体流并返回到异构化单元（1）; e）从稳定单元（20）中提取含有烃化合物进料的至少一种异构体的液体流。

10. 发明申请

US20140012059A1 PROCESS FOR SEPARATING 1-HEXENE FROM A MIXTURE OF PRODUCTS OBTAINED FROM AN ETHYLENE TRIMERIZATION ZONE 有权
标题翻译：从乙烯三聚区获得的产品混合物中分离1-HEXENE的方法
公开(公告)号：US20140012059A1
公开(公告)日：2014-01-09
申请号：US13932032
申请日：2013-07-01
申请人： AXENS
发明人： Daniel-Jean VINEL , Jean-Alain CHODORGE , Jerome PIGOURIER , Pierre-Yves MARTIN , Laurent BOURNAY
IPC分类号： C07C7/04
CPC分类号： C07C7/04 , C07C7/005 , C07C11/107
摘要： A process for recovering 1-hexene comprising: a) separating the mixture obtained from the ethylene trimerization reaction into a top fraction comprising ethylene and a bottom fraction, b) separating a portion of the bottom fraction obtained from step a) into a top fraction comprising 1-hexene and 1-butene and a bottom fraction, c) separating a portion of the fraction comprising 1-hexene and 1-butene obtained from step b) into a top fraction principally comprising 1-butene and into a bottom fraction principally comprising 1-hexene, and in said process: a portion of the bottom fraction obtained from step b) is returned to the reaction section and another portion of said bottom fraction obtained from step b) is used in a recirculation loop connecting the reaction section and the column of said step b), said recirculation loop being used to cool the reaction section and to reboil said column of step b).
摘要翻译：一种回收1-己烯的方法，包括：a）将由乙烯三聚反应获得的混合物分离成包含乙烯和底部馏分的顶部馏分，b）将由步骤a）获得的底部馏分的一部分分离成顶馏分， 1-己烯和1-丁烯和底部馏分，c）将由步骤b）获得的包含1-己烯和1-丁烯的馏分的一部分分离成主要包含1-丁烯的顶馏分，并将其分馏成主要包含1 - 己烯，并且在所述方法中：将从步骤b）获得的底部馏分的一部分返回到反应段，并且将从步骤b）获得的所述底部馏分的另一部分用于连接反应段和塔的再循环回路在所述步骤b）中，所述再循环回路用于冷却反应段并重新沸腾步骤b）的所述塔。

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