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    Process for co-production of paraxylene, metaxylene and/or orthoxylene
    1.
    发明授权
    Process for co-production of paraxylene, metaxylene and/or orthoxylene 有权
    共生产对二甲苯，间二甲苯和/或邻二甲苯的方法

    公开(公告)号：US06841714B2

    公开(公告)日：2005-01-11

    申请号：US10247830

    申请日：2002-09-20

    申请人： Philibert Leflaive ,  Luc Wolff ,  Gérard Hotier ,  Alain Methivier

    发明人： Philibert Leflaive ,  Luc Wolff ,  Gérard Hotier ,  Alain Methivier

    IPC分类号： C07C7/00 ,  C07C7/13 ,  C07C15/08 ,  C07C7/12

    CPC分类号： C07C15/08 ,  C07C7/005 ,  C07C7/13

    摘要： A process for co-production of paraxylene, metaxylene and/or orthoxylene from a hydrocarbon feedstock (1) that comprises [1] a separation stage of the feedstock in a simulated moving bed in a chromatographic column (9) that contains a number of beds of an adsorbent, interconnected in a loop, is described, whereby said column comprises an injection (3) of the feedstock, a draw-off (10) of an extract that consists of paraxylene and desorbent, an intermediate fraction (11) (extract or raffinate) that contains ethylbenzene, and a raffinate (12) that contains a mixture of metaxylene and orthoxylene that is virtually free of ethylbenzene and paraxylene and [2] a crystallization stage (27) of the metaxylene and/or orthoxylene fraction. Upstream from the adsorption zone and/or upstream from the crystallization zone, it is possible to distill the entering mixture to produce an orthoxylene-enriched fraction at the bottom and a metaxylene-enriched fraction at the top.

    摘要翻译： 一种从烃原料（1）共同生产对二甲苯，间二甲苯和/或邻二甲苯的方法，其包括[1]在色谱柱（9）中的模拟移动床中的原料的分离阶段，其包含多个床 描述了以循环相互连接的吸附剂，其中所述柱包括原料的注入物（3），由对二甲苯和解吸剂组成的萃取物的萃取物（10），中间馏分（11） 或萃余液）和含有实际上不含乙苯和对二甲苯的间二甲苯和邻二甲苯混合物的萃余液（12），[2]间二甲苯和/或邻二甲苯馏分的结晶阶段（27）。 从吸附区上游和/或结晶区上游，可以蒸馏进入的混合物，在底部产生富含邻二甲苯的馏分，并在顶部产生富含甲炔的馏分。

    Coproduction process for para-xylene and ortho-xylene comprising two separation steps
    2.
    发明授权
    Coproduction process for para-xylene and ortho-xylene comprising two separation steps 失效
    对二甲苯和邻二甲苯的共同生产方法包括两个分离步骤

    公开(公告)号：US06828470B2

    公开(公告)日：2004-12-07

    申请号：US10321724

    申请日：2002-12-18

    申请人： Philibert Leflaive ,  Luc Wolff ,  Alain Methivier ,  Gérard Hotier

    发明人： Philibert Leflaive ,  Luc Wolff ,  Alain Methivier ,  Gérard Hotier

    IPC分类号： C07C712

    CPC分类号： C07C7/005 ,  C07C7/13 ,  C07C15/08

    摘要： A coproduction process for ortho-xylene and para-xylene starting with a batch of hydrocarbons comprises a simulated counter-current fluidized bed system in a chromatographic column (6) containing at least five zones, comprising injection (1) of the batch and injection (2) of desorption agent and delivering an extract (3), a refined product (5), and an intermediate refined product (4). Refined product (5), richer in ortho-xylene than the intermediate refined product, is distilled (9) to extract desorption agent (15) and is injection, according to the second step of the process, into a simulated counter-current fluidized bed system (17) delivering an extract (18) and a refined product (19) continuously.

    摘要翻译： 从一批烃开始的邻二甲苯和对二甲苯的共生产方法包括在色谱柱（6）中的模拟逆流流化床系统，其包含至少五个区域，包括批料和注射（1）的注射（1） 2）的解吸剂和递送提取物（3），精制产物（5）和中间精制产物（4）。 精制产品（5），比中间精制产物富含邻二甲苯，蒸馏（9）提取脱附剂（15），并根据该方法的第二步将注射成模拟逆流流化床 系统（17）连续递送提取物（18）和精制产品（19）。

    Process for co-producing para-xylene and metaxylene, comprising two separation steps
    3.
    发明授权
    Process for co-producing para-xylene and metaxylene, comprising two separation steps 有权
    共同生产对二甲苯和间二甲苯的方法，包括两个分离步骤

    公开(公告)号：US06838588B2

    公开(公告)日：2005-01-04

    申请号：US10108392

    申请日：2002-03-29

    申请人： Philibert Leflaive ,  Alain Methivier ,  Gérard Hotier

    发明人： Philibert Leflaive ,  Alain Methivier ,  Gérard Hotier

    IPC分类号： C07C7/04 ,  C07C7/00 ,  C07C7/12 ,  C07C7/13 ,  C07C15/08

    CPC分类号： C07C7/005 ,  C07C7/13 ,  C07C15/08

    摘要： A process is described for co-producing metaxylene and paraxylene from a hydrocarbon feed comprising two separation steps. The first step of the process is a counter-current simulated moving bed system in a chromatographic column containing at least five zones, comprising injecting the feed and injecting a desorbent and delivering an extract, a raffinate and an intermediate raffinate either continuously or discontinuously. The extract is distilled to obtain a paraxylene with a purity of at least 99.7%. The raffinate, which is richer in metaxylene, is distilled to extract the desorbent and injected into a counter-current simulated moving bed continuously delivering an extract and a raffinate. One of these two streams is enriched in metaxylene. The most metaxylene-rich stream is distilled to obtain metaxylene with a purity of more than 99%.

    摘要翻译： 描述了从包含两个分离步骤的烃进料共同生产间二甲苯和对二甲苯的方法。 该方法的第一步是在含有至少五个区域的色谱柱中的逆流模拟移动床系统，包括注射进料并注入解吸剂并连续地或不连续地递送提取物，萃余液和中间萃余液。 蒸馏提取物，得到纯度至少为99.7％的对二甲苯。 富含中间二甲苯的萃余液被蒸馏以提取解吸剂并注入到逆流模拟移动床中，连续输送提取物和萃余液。 这两条河中的一条富含间二甲苯。 蒸馏出最富含中间二甲烷的料流，得到纯度大于99％的间二甲苯。

    Method for producing paraxylene comprising an adsortion step and two isomerization steps
    4.
    发明授权
    Method for producing paraxylene comprising an adsortion step and two isomerization steps 有权
    一种生产对二甲苯的方法，其包括一个老化步骤和两个异构化步骤

    公开(公告)号：US07915471B2

    公开(公告)日：2011-03-29

    申请号：US10580345

    申请日：2004-11-23

    申请人： Philibert Leflaive ,  Luc Wolff ,  Gérard Hotier

    发明人： Philibert Leflaive ,  Luc Wolff ,  Gérard Hotier

    IPC分类号： C07C7/12

    CPC分类号： C07C5/2775 ,  C07C5/2737 ,  C07C7/12 ,  C07C15/08

    摘要： A process for producing para-xylene from a hydrocarbon feed is described in which an adsorption column operating as a simulated moving bed with at least five zones delivers an extract, a 2-raffinate and an intermediate raffinate.The extract is distilled and the distillate is optionally re-crystallized to recover para-xylene with a purity of at least 99.7%. The 2-raffinate is distilled then isomerized in a reactor preferably operating in the liquid phase and at a low temperature. The intermediate raffinate with an enriched ethylbenzene content is distilled then isomerized in the vapour phase.

    摘要翻译： 描述了从烃进料生产对二甲苯的方法，其中作为具有至少五个区域的模拟移动床操作的吸附塔递送萃取物，2-萃余液和中间萃余液。 将提取物蒸馏，任选地将馏出物重结晶以回收对数二甲苯，纯度至少为99.7％。 蒸馏出2萃余液，然后在反应器中异构化，优选在液相和低温下操作。 将富含乙苯含量的中间残液蒸馏，然后在汽相中异构化。

    Process for co-production and separation of ethylbenzene and paraxylene
    6.
    发明授权
    Process for co-production and separation of ethylbenzene and paraxylene 有权
    共同生产和分离乙苯和对二甲苯的方法

    公开(公告)号：US06369287B1

    公开(公告)日：2002-04-09

    申请号：US09597468

    申请日：2000-06-19

    申请人： Julia Magne-Drisch ,  Gérard Hotier ,  Fabio Alario ,  Alain Methivier

    发明人： Julia Magne-Drisch ,  Gérard Hotier ,  Fabio Alario ,  Alain Methivier

    IPC分类号： C07C700

    CPC分类号： C07C15/08 ,  C07C5/2754 ,  C07C15/073 ,  C07C2523/42 ,  C07C2529/74

    摘要： A process for co-production of paraxylene and ethylbenzene comprises: (A) an adsorption stage of a feedstock of xylenes and ethylbenzene in a simulated moving bed that produces an extract of pure paraxylene and an ethylbenzene-rich raffinate; (B) an adsorption stage in a simulated moving bed, of raffinate from which desorbent has been removed that supplies an essentially pure ethylbenzene extract and an orthoxylene and metaxylene raffinate that contains desorbent; (C) a recover stage for the desorbent; (D) an isomerization stage for the orthoxylene and metaxylene raffinate in the presence of a catalyst that comprises an EUO-type zeolite; and (E) a stage for recycling the isomerate that is produced with adsorption.

    摘要翻译： 共同生产对二甲苯和乙苯的方法包括：（A）在模拟移动床中的二甲苯和乙苯的原料的吸附阶段，其产生纯对二甲苯和富含乙苯的萃余液的提取物; （B）在模拟移动床中的萃余液中的吸附阶段，其中已经从其中除去了解吸剂，提供基本上纯的乙苯提取物和含有解吸附剂的邻二甲苯和间二甲苯萃余液; （C）解吸剂的回收阶段; （D）在包含EUO型沸石的催化剂存在下，邻二甲苯和间二甲苯残液的异构化阶段; 和（E）用于回收利用吸附产生的异构体的阶段。

    Simulated moving bed separation process and device
    7.
    发明授权
    Simulated moving bed separation process and device 有权
    模拟移动床分离过程及装置

    公开(公告)号：US07473368B2

    公开(公告)日：2009-01-06

    申请号：US11136729

    申请日：2005-05-25

    申请人： Gérard Hotier

    发明人： Gérard Hotier

    IPC分类号： B01D15/00

    CPC分类号： C07C7/12 ,  B01D15/1871 ,  B01D53/0423 ,  B01D2259/40005 ,  B01D2259/4146 ,  Y10T436/11 ,  C07C15/08

    摘要： A simulated moving bed (SMB) separation device comprises at least one column, beds of adsorbent arranged in this column, trays Pi with a chamber Ci for distribution and extraction of fluids, a multi-way rotary valve for the distribution of the fluids feeding or leaving said trays, and junction lines Li between this valve and said trays. The SMB device also comprises a plurality of bypass lines Li,i+1 between adjacent lines, these bypasses being outside the multi-way rotary valve and situated in proximity to this valve, for the circulation of rinsing liquids with a small or zero concentration gradient. The invention makes it possible to use all types of distribution and extraction trays and all types of adsorbent loading, while preserving a high level of product purity. Application of the separation devices is in particular to the separation of paraxylene or metaxylene from a C8 aromatic charge.

    摘要翻译： 模拟移动床（SMB）分离装置包括至少一个柱，在该塔中排列的吸附剂床，具有用于分配和提取流体的腔室Ci的托盘Pi，用于分配流体的多通旋转阀或 在该阀和所述托盘之间留下所述托盘和接合线Li。 SMB设备还包括在相邻线路之间的多个旁路管线Li，i + 1，这些旁路在多路旋转阀外部并且位于该阀附近，用于循环具有小或零浓度梯度的冲洗液体 。 本发明使得可以使用所有类型的分配和提取塔板和所有类型的吸附剂负载，同时保持高水平的产品纯度。 分离装置的应用特别是从C8芳族电荷分离对二甲苯或间二甲苯。

    Mat element that has a distribution function
    8.
    发明授权
    Mat element that has a distribution function 有权
    具有分布函数的Mat元素

    公开(公告)号：US06969495B1

    公开(公告)日：2005-11-29

    申请号：US09590380

    申请日：2000-06-09

    申请人： Gérard Hotier ,  Pierre Renard ,  Xavier Decoodt

    发明人： Gérard Hotier ,  Pierre Renard ,  Xavier Decoodt

    IPC分类号： B01J8/04 ,  C07C7/00 ,  B01J10/00

    CPC分类号： B01J8/0492 ,  C07C7/00 ,  C07C15/067

    摘要： For use in a separation column, a mat element or a beam element has at least: an upper part 2; at least one distributor-collector part (3) having one or more secondary orifices (7i) and at least one main orifice (6), whereby the passage sections of orifices (8) and (7i) are different; and a lower part (4). The distributor-collector part or parts (3) arranged between the upper part (2) and the lower part (4). A sealing element (5a) arranged between the distributor-collector part (3) and the upper part (2), and a sealing element (5b) arranged between the distributor-collector part (3) and the lower part (4). A separation element (8) arranged at distributor-collector part (3), thus delimiting two spaces (3a, 3b) for circulation of fluids.

    摘要翻译： 为了在分离柱中使用，垫元件或梁元件至少具有：上部2; 至少一个分配器 - 收集器部分（3）具有一个或多个次级孔（7i）和至少一个主孔（6），由此孔口（8）和（7i）的通道部分不同; 和下部（4）。 布置在上部（2）和下部（4）之间的分配器 - 收集器部分（3）。 布置在分配器 - 收集器部分（3）和上部部分（2）之间的密封元件（5a）和布置在分配器 - 收集器部分（3）和下部部分（4）之间的密封元件（5b） 。 布置在分配器 - 收集器部分（3）处的分离元件（8），从而限定用于流体循环的两个空间（3a，3b）。

    Rotary valve
    9.
    发明授权
    Rotary valve 有权
    旋转阀

    公开(公告)号：US06537451B1

    公开(公告)日：2003-03-25

    申请号：US09590120

    申请日：2000-06-09

    申请人： Gérard Hotier

    发明人： Gérard Hotier

    IPC分类号： B01D1508

    CPC分类号： B01D15/1842 ,  B01D2215/023 ,  B01D2259/40005 ,  F16K11/0743 ,  G01N2030/201 ,  Y10T137/86501 ,  Y10T137/86533 ,  Y10T137/86863

    摘要： Disclosed is a rotary valve that makes it possible to link several groups of hoses referenced group G1, group G2, and group G3. The valve includes a stator (40) that is provided with means (E, F, R, S) for circulating fluid or fluids of group 1, means (45, 46) for passing at least two fluids F1, F2 that belong to group G3, and a rotor (47) that is equipped with means (9) for passing fluids of group G3 and also means (50) that make possible the linking either of fluids of G1 with group G3 or fluids of group G3 with G3.

    摘要翻译： 公开了一种旋转阀，其使得可以链接几组参考组G1，组G2和组G3的软管。 该阀包括定子（40），该定子设有用于循环流体或组1的流体的装置（E，F，R，S），用于使至少两个属于组的流体F1，F2的装置（45,46） G3和具有用于使组G3的流体通过的装置（9）的转子（47），以及使G1与G3的流体或G3的流体与G3连接的装置（50）的装置（50）。