公开(公告)号：US08796499B2

公开(公告)日：2014-08-05

申请号：US12446308

申请日：2007-10-19

申请人： Zaiku Xie ,  Juntao Liu ,  Siqing Zhong ,  Huiming Zhang

发明人： Zaiku Xie ,  Juntao Liu ,  Siqing Zhong ,  Huiming Zhang

IPC分类号： C07C1/20

CPC分类号： C07C1/20 ,  C07C2529/40 ,  C07C2529/80 ,  C07C2529/85 ,  Y02P20/52 ,  Y02P30/42 ,  C07C11/06 ,  C07C11/04 ,  C07C11/02

摘要： A process for producing light olefins from methanol and/or dimethyl ether is disclosed. It comprises: (a) introducing a feed comprising methanol and/or dimethyl ether into a fluidized-bed reactor from its bottom, and contacting the feed in a dense phase zone and a transition zone of the fluidized-bed reactor with a catalyst, to form an effluent I comprising unreacted feed, reaction products and entrained solid particulate catalyst; (b) introducing a terminating agent consisting of water, alcohol, ether, hydrocarbons, and aromatic at upper portion of the transition zone and/or lower portion of a gas-solid separating zone of the fluidized-bed reactor into the effluent I, to give an effluent II; and (c) passing the effluent II into the gas-solid separating zone in upper portion of the fluidized-bed reactor, where gas-solid separation is accomplished to give a gaseous product stream and solid catalyst.

摘要翻译： 公开了一种从甲醇和/或二甲醚生产轻质烯烃的方法。 它包括：（a）从其底部将包含甲醇和/或二甲醚的进料引入流化床反应器中，并将所述进料在流化床反应器的致密相区和过渡区与催化剂接触， 形成包含未反应的进料，反应产物和夹带的固体颗粒催化剂的流出物I; （b）将流化床反应器的气固分离区的过渡区和/或下部的上部的水，醇，醚，烃和芳族化合物的终止剂引入流出物I中，至 给出流出物II; 和（c）将流出物II通入流化床反应器上部的气固分离区，其中进行气 - 固分离，得到气态产物流和固体催化剂。

公开(公告)号：US20100331596A1

公开(公告)日：2010-12-30

申请号：US12669373

申请日：2008-07-17

申请人： Zaiku Xie ,  Guozhen Qi ,  Weimin Yang ,  Siqing Zhong

发明人： Zaiku Xie ,  Guozhen Qi ,  Weimin Yang ,  Siqing Zhong

IPC分类号： C07C1/20

CPC分类号： C07C1/20 ,  C07C2529/85 ,  Y02P20/52 ,  Y02P20/584 ,  Y02P30/42 ,  C07C11/04 ,  C07C11/06

摘要： The present invention provides a process for increasing ethylene and/or propylene yield during conversion of oxygenates using a system comprising a reactor and a regenerator, wherein the reactor comprises a fluidized bed reactor and a riser reactor, which process increases ethylene and/or propylene yield by using a mixture of the deactivated catalyst from the fluidized bed reactor and the regenerated catalyst from the regenerator in the riser reactor for further cracking the C4+ hydrocarbon stream separated from the product stream.

摘要翻译： 本发明提供一种使用包含反应器和再生器的系统在含氧化合物转化期间提高乙烯和/或丙烯产率的方法，其中反应器包括流化床反应器和提升管反应器，该方法提高了乙烯和/或丙烯产率 通过使用来自流化床反应器的失活的催化剂和来自提升管反应器中的再生器的再生催化剂的混合物进一步裂化从产物流分离的C4 +烃流。

公开(公告)号：US07692057B2

公开(公告)日：2010-04-06

申请号：US11502520

申请日：2006-08-11

申请人： Zaiku Xie ,  Juntao Liu ,  Weimin Yang ,  Siqing Zhong ,  Yanhui Yuan ,  Huiming Zhang

发明人： Zaiku Xie ,  Juntao Liu ,  Weimin Yang ,  Siqing Zhong ,  Yanhui Yuan ,  Huiming Zhang

IPC分类号： C07C4/02 ,  C10G51/04 ,  C10G11/05

CPC分类号： C07C11/02 ,  C07C4/06 ,  C07C2529/18 ,  C07C2529/40 ,  C07C2529/70 ,  C10G2400/22 ,  Y02P20/584 ,  Y02P30/42

摘要： The present invention provides a process for producing lower olefins by catalytic cracking a feedstock comprising an olefins-enriched mixture containing C4 or higher olefins and optionally an organic oxygenate compound. The technical problem mainly addressed in the present invention is to overcome the defects presented in the prior art including low yield and selectivity of lower olefins as the target products, and short regeneration period of catalyst. The present process, which is carried out under the conditions of catalytic cracking olefins and adopts as a feedstock an olefins-enriched mixture containing one or more C4 or higher olefins and optionally an organic oxygenate compound, comprises the steps of: a) letting the feedstock firstly enter a first reaction zone to contact with a first crystalline aluminosilicate catalyst having a SiO2/Al2O3 molar ratio of at least 10, to thereby produce a first reaction effluent containing lower olefins; b) letting the first reaction effluent enter in turn at least one second reaction zone to contact with a second crystalline aluminosilicate catalyst having a SiO2/Al2O3 molar ratio of at least 10, to thereby produce a second reaction effluent containing lower olefins; and c) separating lower olefins from the second reaction effluent; wherein the reaction temperatures in the first and second reaction zones are controlled. The present process, which desirably solves the above technical problem, can be used in industrial production of lower olefins.

摘要翻译： 本发明提供了一种通过催化裂化生产低级烯烃的方法，该原料包含含有C4或更高级烯烃和任选的有机含氧化合物的富含烯烃的混合物。 在本发明中主要解决的技术问题是克服现有技术中存在的缺点，包括低产率和低烯烃作为目标产物的选择性，催化剂的再生时间短。 本发明方法在催化裂化烯烃的条件下进行，并采用含有一种或多种C 4或更高级烯烃和任选的有机含氧化合物的富含烯烃的混合物作为原料，包括以下步骤：a） 首先进入与SiO 2 / Al 2 O 3摩尔比为至少10的第一结晶硅铝酸盐催化剂接触的第一反应区，从而产生含有低级烯烃的第一反应流出物; b）使第一反应流出物依次进入至少一个第二反应区，以与SiO 2 / Al 2 O 3摩尔比为至少10的第二结晶硅铝酸盐催化剂接触，从而产生含有低级烯烃的第二反应流出物; 和c）从第二反应流出物分离低级烯烃; 其中控制第一和第二反应区中的反应温度。 希望解决上述技术问题的本方法可用于低级烯烃的工业生产。

公开(公告)号：US20100063335A1

公开(公告)日：2010-03-11

申请号：US12446308

申请日：2007-10-19

申请人： Zaiku Xie ,  Juntao Liu ,  Siqing Zhong ,  Huiming Zhang

发明人： Zaiku Xie ,  Juntao Liu ,  Siqing Zhong ,  Huiming Zhang

IPC分类号： C07C1/20

CPC分类号： C07C1/20 ,  C07C2529/40 ,  C07C2529/80 ,  C07C2529/85 ,  Y02P20/52 ,  Y02P30/42 ,  C07C11/06 ,  C07C11/04 ,  C07C11/02

摘要： A process for producing light olefins from methanol and/or dimethyl ether comprising the steps of: (a) introducing a feed comprising methanol and/or dimethyl ether into a fluidized-bed reactor from its bottom, and reacting the feed in a dense phase zone and a transition zone of the fluidized-bed reactor by contacting it with a catalyst, to form an effluent I comprising unreacted feed, reaction products and entrained solid particulate catalyst; (b) introducing a terminating agent at upper portion of the transition zone and/or lower portion of a gas-solid separating zone of the fluidized-bed reactor into the effluent I, to give an effluent II, wherein the terminating agent is at least one selected from the group consisting of water, C2 to C5 alcohols, C2 to C10 ethers, hydrocarbons having 4 or more carbon atoms, and C6 to C12 aromatic hydrocarbons; and (c) passing the effluent II into the gas-solid separating zone in upper portion of the fluidized-bed reactor, where gas-solid separation is accomplished to give a gaseous product stream and solid catalyst, said gaseous product stream being leaded to an aftertreatment stage, and said solid catalyst being circulated to the dense phase zone in lower portion of the fluidized-bed reactor or, alternatively, being leaded to a regenerator after having been stripped in a stripper, is disclosed.

摘要翻译： 一种从甲醇和/或二甲醚生产轻质烯烃的方法，包括以下步骤：（a）从其底部向流化床反应器中引入包含甲醇和/或二甲醚的进料，并使进料在致密相区 和流化床反应器的过渡区，其与催化剂接触，形成包含未反应的进料，反应产物和夹带的固体颗粒催化剂的流出物I; （b）将流化床反应器的气固分离区的过渡区域的上部和/或下部的终止剂引入流出物I中，得到流出物II，其中终止剂至少为 选自水，C 2至C 5醇，C 2至C 10醚，具有4个或更多个碳原子的烃和C 6至C 12芳族烃组成的组中的一种; 和（c）将流出物II通入流化床反应器上部的气固分离区，其中进行气 - 固分离以产生气态产物流和固体催化剂，所述气态产物流被引导至 后处理阶段，并且所述固体催化剂循环到流化床反应器的下部的致密相区，或者替代地，在汽提器中被汽提之后引入再生器。

公开(公告)号：US20090105512A1

公开(公告)日：2009-04-23

申请号：US11990401

申请日：2006-08-09

申请人： Zaiku Xie ,  Juntao Liu ,  Siqing Zhong ,  Wenwei Wu

发明人： Zaiku Xie ,  Juntao Liu ,  Siqing Zhong ,  Wenwei Wu

IPC分类号： C07C4/02

CPC分类号： C07C4/06 ,  C07C4/02 ,  Y02P20/52 ,  Y02P20/584 ,  C07C11/02 ,  C07C11/06 ,  C07C11/04

摘要： The present invention provides a process for producing lower olefins. The technical problem mainly addressed in the present invention is to overcome the defects presented in the prior art including high reaction pressure, high reaction temperature, low yield and selectivity of lower olefins as the target products, poor stability and short life of catalyst, and limited suitable feedstocks. The present process, which is carried out under the conditions of catalytic cracking olefins and adopts as a feedstock an olefins-enriched mixture containing one or more C4 or higher olefins and optionally an organic oxygenate compound, comprises the steps of: a) letting the feedstock contact with a crystalline aluminosilicate catalyst having a SiO2/Al2O3 molar ratio of at least 10, to thereby produce a reaction effluent containing lower olefins; and b) separating lower olefins from the reaction effluent; wherein, the reaction pressure is from −0.1 MPa to

摘要翻译： 本发明提供一种生产低级烯烃的方法。 本发明主要解决的技术问题是克服现有技术中存在的缺点，包括高反应压力，高反应温度，低产物和低级烯烃作为目标产物的选择性，稳定性差和催化剂寿命短等缺陷 合适的原料。 本发明方法在催化裂化烯烃的条件下进行，并采用含有一种或多种C 4或更高级烯烃和任选的有机含氧化合物的富含烯烃的混合物作为原料，包括以下步骤：a） 与SiO 2 / Al 2 O 3摩尔比为至少10的结晶硅铝酸盐催化剂接触，从而产生含有低级烯烃的反应流出物; 和b）从反应流出物中分离低级烯烃; 其中反应压力为-0.1MPa至<0MPa。 希望解决上述技术问题的本方法可用于低级烯烃的工业生产。

公开(公告)号：US08692045B2

公开(公告)日：2014-04-08

申请号：US13298137

申请日：2011-11-16

申请人： Guozhen Qi ,  Siqing Zhong ,  Wei Chen ,  Zhinan Yu

发明人： Guozhen Qi ,  Siqing Zhong ,  Wei Chen ,  Zhinan Yu

IPC分类号： C07C1/24

CPC分类号： B01J8/1836 ,  B01J8/005 ,  C07C1/20 ,  C07C2529/85 ,  Y02P20/584 ,  Y02P30/42 ,  C07C11/04 ,  C07C11/06

摘要： A process for producing light olefins is provided. A feedstock enters a pre-reaction zone and contacts a catalyst comprising at least one silicon-aluminophosphate molecular sieve and produces a gas-phase stream; the gas-phase stream and the catalyst enter at least one riser, and the gas-phase stream and the catalyst pass from an outlet of the at least one riser and enter a gas-solid rapid separation zone; the separated gas-phase stream enters a separation section; a first portion of the separated catalyst returns to the pre-reaction zone, and a second portion is regenerated in a regenerator; wherein an inlet of the at least one riser extends into the pre-reaction zone, about 60% to about 90% of the height of the at least one riser passes through a heat exchange zone, and the outlet extends into the gas-solid rapid separation zone.

摘要翻译： 提供了一种生产轻质烯烃的方法。 原料进入预反应区并与包含至少一个硅铝磷酸盐分子筛的催化剂接触并产生气相流; 所述气相流和所述催化剂进入至少一个提升管，并且所述气相物流和所述催化剂从所述至少一个提升管的出口通过并进入气固快速分离区; 分离的气相流进入分离段; 分离的催化剂的第一部分返回到预反应区，并且第二部分在再生器中再生; 其中所述至少一个提升管的入口延伸到所述预反应区域中，所述至少一个提升管的高度的大约60％至大约90％通过热交换区域，并且所述出口延伸到所述气体 - 固体快速 分离区。

公开(公告)号：US20100179356A1

公开(公告)日：2010-07-15

申请号：US12642621

申请日：2009-12-18

申请人： Juntao LIU ,  Weimin Yang ,  Fengxia Sun ,  Siqing Zhong ,  Wanmin Wang

发明人： Juntao LIU ,  Weimin Yang ,  Fengxia Sun ,  Siqing Zhong ,  Wanmin Wang

IPC分类号： C07C29/136

CPC分类号： B01J35/0006 ,  B01J21/08 ,  B01J23/72 ,  B01J23/745 ,  B01J23/78 ,  B01J23/80 ,  B01J23/868 ,  B01J23/8892 ,  B01J37/0201 ,  C07C29/149 ,  Y02P20/52 ,  C07C31/202

摘要： Provided are processes for producing ethylene glycol from oxalate(s), wherein two or more reaction zones in series are used, and oxalate feedstock is fed stagewise, or hydrogen feedstock and optionally a solvent are fed stagewise. The present processes achieve higher selectivity for the product and improved stability of catalysts.

摘要翻译： 提供了从草酸生产乙二醇的方法，其中使用串联的两个或更多个反应区，并且草酸进料进料阶段，或者氢原料和任选的溶剂进料阶段进料。 本发明方法对产物获得更高的选择性并提高催化剂的稳定性。

公开(公告)号：US20100145125A1

公开(公告)日：2010-06-10

申请号：US12526408

申请日：2008-02-04

申请人： Zaiku Xie ,  Guozhen Qi ,  Huiming Zhang ,  Siqing Zhong

发明人： Zaiku Xie ,  Guozhen Qi ,  Huiming Zhang ,  Siqing Zhong

IPC分类号： C07C1/20

CPC分类号： C07C1/24 ,  Y02P20/52 ,  Y02P30/42 ,  C07C11/04 ,  C07C11/06

摘要： The present invention discloses a process of producing light olefins through the conversion of methanol and ethanol. The process comprises: feeding a first portion of a feed via a distributor at the bottom of a fluidized-bed reactor to a reaction zone containing a catalyst; feeding a second portion of the feed from at least one location above the distributor to the reaction zone; contacting the feed with the catalyst and allowing it to react, to give a stream containing ethylene and propylene; and withdrawing the stream containing ethylene and propylene from the top of the reactor, and passing it to a separation system to separate ethylene and propylene, wherein the first portion of the feed and the second portion of the feed comprises each independently methanol or ethanol or the both, with a proviso that the total feed comprises both methanol and ethanol, and a weight ratio of methanol to ethanol in the total feed is in a range of from 99:1 to 0.1:1.

摘要翻译： 本发明公开了通过甲醇和乙醇的转化生产轻质烯烃的方法。 该方法包括：通过流化床反应器底部的分配器将进料的第一部分进料到含有催化剂的反应区; 将进料的第二部分从分配器上方的至少一个位置进料到反应区; 使进料与催化剂接触并使其反应，得到含有乙烯和丙烯的料流; 并从反应器顶部排出含有乙烯和丙烯的料流，并将其送入分离系统以分离乙烯和丙烯，其中进料的第一部分和进料的第二部分各自独立地包括甲醇或乙醇或 两者，条件是总进料包括甲醇和乙醇，并且总进料中甲醇与乙醇的重量比在99:1至0.1:1的范围内。

公开(公告)号：US07692056B2

公开(公告)日：2010-04-06

申请号：US11503913

申请日：2006-08-15

申请人： Zaiku Xie ,  Juntao Liu ,  Weimin Yang ,  Siqing Zhong ,  Xiaofeng Chen

发明人： Zaiku Xie ,  Juntao Liu ,  Weimin Yang ,  Siqing Zhong ,  Xiaofeng Chen

CPC分类号： C07C11/02 ,  B01J2219/0004 ,  C07C1/20 ,  C07C2529/40 ,  Y02P20/52 ,  Y02P20/584 ,  Y02P30/42

摘要： The present invention provides a process for producing lower olefins from methanol or dimethyl ether. The technical problem mainly addressed in the present invention is to overcome the defects presented in the prior art including high operation temperature, low yield and selectivity of lower olefins as the target products, and poor stability and short regeneration period of catalyst. The present process, which is carried out under the conditions of catalytic cracking methanol and dimethyl ether and the presence of diluting gas, and adopts as a feedstock methanol, dimethyl ether or their mixture, comprises the steps of: a) letting the feedstock firstly enter a first reaction zone to contact with a first crystalline aluminosilicate catalyst having a SiO2/Al2O3 molar ratio of at least 10, to thereby produce a first reaction effluent containing lower olefins; b) letting the first reaction effluent enter in turn at least one second reaction zone to contact with a second crystalline aluminosilicate catalyst having a SiO2/Al2O3 molar ratio of at least 10, to thereby produce a second reaction effluent containing lower olefins; and c) separating lower olefins from the second reaction effluent; wherein the weight ratio of the diluting gas to the feedstock is 0.01-6:1, while controlling the reaction conditions.

摘要翻译： 本发明提供了由甲醇或二甲醚生产低级烯烃的方法。 本发明主要解决的技术问题是克服现有技术中存在的缺点，包括作为目标产物的低级烯烃的高操作温度，低产率和选择性，以及催化剂的稳定性和较短的再生期。 本工艺在甲醇和二甲醚催化裂解条件下进行，稀释气体的存在，采用甲醇，二甲醚或其混合物为原料，包括以下步骤：a）使原料首先进入 与SiO 2 / Al 2 O 3摩尔比至少为10的第一结晶硅铝酸盐催化剂接触的第一反应区，从而产生含有低级烯烃的第一反应流出物; b）使第一反应流出物依次进入至少一个第二反应区，以与SiO 2 / Al 2 O 3摩尔比为至少10的第二结晶硅铝酸盐催化剂接触，从而产生含有低级烯烃的第二反应流出物; 和c）从第二反应流出物分离低级烯烃; 其中稀释气体与原料的重量比为0.01-6:1，同时控制反应条件。

公开(公告)号：US09212105B2

公开(公告)日：2015-12-15

申请号：US13039388

申请日：2011-03-03

申请人： Guozhen Qi ,  Siqing Zhong ,  Hongtao Wang ,  Yongming Jin

发明人： Guozhen Qi ,  Siqing Zhong ,  Hongtao Wang ,  Yongming Jin

IPC分类号： C07C1/20 ,  C07C1/22 ,  C07C4/08 ,  C07C11/04 ,  C07C11/06

CPC分类号： C07C1/20 ,  C07C4/08 ,  C07C11/04 ,  C07C11/06 ,  Y02P20/584 ,  Y02P30/42

摘要： A process for producing at least one light olefin comprising: (a) contacting a first raw material comprising methanol with a least one catalyst in a first reaction zone to produce at least one light olefin and at least one inactivated catalyst; (b) transporting the at least one inactivated catalyst to a first regeneration zone to produce at least one first regenerated catalyst, and transporting a portion of the at least one first regenerated catalyst to the first reaction zone; (c) transporting another portion of the at least one first regenerated catalyst to a second regeneration zone to obtain at least one second regenerated catalyst; and (d) transporting the at least one second regenerated catalyst to a second reaction zone, and contacting the at least one second regenerated catalyst with a second raw material comprising C4 olefins to produce a product stream II comprising at least one light olefin.

摘要翻译： 一种用于生产至少一种轻质烯烃的方法，包括：（a）在第一反应区中使包含甲醇的第一原料与至少一种催化剂接触以产生至少一种轻质烯烃和至少一种失活的催化剂; （b）将所述至少一种灭活的催化剂运送到第一再生区以产生至少一种第一再生催化剂，并将所述至少一种第一再生催化剂的一部分输送到所述第一反应区; （c）将所述至少一种第一再生催化剂的另一部分运送到第二再生区以获得至少一种第二再生催化剂; 和（d）将所述至少一种第二再生催化剂输送到第二反应区，以及使所述至少一种第二再生催化剂与包含C 4烯烃的第二原料接触，以产生包含至少一种轻质烯烃的产物流II。