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11. 发明授权

US07692056B2 Process for producing lower olefins from methanol or dimethylether 有权
标题翻译：从甲醇或二甲醚生产低级烯烃的方法
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。

12. 发明申请

US20100331596A1 PROCESS FOR INCREASING ETHYLENE AND/OR PROPYLENE YIELD DURING CONVERSION OF OXYGENATES 有权
标题翻译：在氧化剂转化期间增加乙烯和/或丙烯醛的方法
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。

13. 发明授权

US07692057B2 Process for producing lower olefins by using multiple reaction zones 有权
标题翻译：通过使用多个反应区生产低级烯烃的方法
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。

14. 发明授权

US09102583B2 Method for producing ethylene glycol from oxalate through the fluidized bed catalytic reaction 有权
标题翻译：通过流化床催化反应从草酸生产乙二醇的方法
公开(公告)号：US09102583B2
公开(公告)日：2015-08-11
申请号：US14000876
申请日：2012-02-24
申请人： Weimin Yang , Juntao Liu , Wanmin Wang , Jun Kuai
发明人： Weimin Yang , Juntao Liu , Wanmin Wang , Jun Kuai
IPC分类号： C07C27/04 , C07C29/149 , B01J23/83 , B01J23/84 , B01J23/843 , B01J23/888 , B01J29/48
CPC分类号： C07C29/149 , B01J23/83 , B01J23/84 , B01J23/8437 , B01J23/888 , B01J29/48 , Y02P20/52 , C07C31/202
摘要： A process for producing ethylene glycol includes contacting an oxalate with a fluidized bed catalyst under the following conditions: a reaction temperature of from about 170 to about 270° C., a weight space velocity of oxalate of from about 0.2 to about 7 hours−1, a hydrogen/ester molar ratio of about 20˜200:1, a reaction pressure of from about 1.5 to about 10 MPa, and a reaction temperature difference T of from about 1 to about 15° C. The fluidized bed catalyst includes: a) from about 5 to about 80 parts by weight of copper and the oxide thereof, b) from about 10 to about 90 parts by weight of at least one carrier selected from silica, molecular sieve or alumina, c) from about 0.01 to about 30 parts by weight of bismuth and tungsten metallic elements or the oxides thereof, or cerium and niobium metallic elements or the oxides thereof.
摘要翻译：制备乙二醇的方法包括在以下条件下使草酸盐与流化床催化剂接触：反应温度为约170至约270℃，草酸的重量空间速度为约0.2至约7小时-1 氢/酯摩尔比为约20〜200:1，反应压力为约1.5〜约10MPa，反应温度差T为约1〜约15℃。流化床催化剂包括：）约5至约80重量份的铜及其氧化物，b）约10至约90重量份的至少一种选自二氧化硅，分子筛或氧化铝的载体，c）约0.01至约30 铋和钨金属元素或其氧化物或铈和铌金属元素或其氧化物的重量份。

15. 发明授权

US08921592B2 Process of producing oxalate by CO gas phase method 有权
标题翻译：通过CO气相法生产草酸盐的方法
公开(公告)号：US08921592B2
公开(公告)日：2014-12-30
申请号：US13702280
申请日：2011-06-09
申请人： Weimin Yang , Juntao Liu , Wanmin Wang , Lei Li
发明人： Weimin Yang , Juntao Liu , Wanmin Wang , Lei Li
IPC分类号： C07C69/36 , C07C67/36 , B01J23/44
CPC分类号： C07C67/36 , B01J23/44 , C07C69/36
摘要： A process of producing oxalate by CO gas phase method includes the following steps: a) introducing nitrite salt, water and an inorganic acid first into a reactor I to produce a NO containing effluent I; and separating the resultant effluent to obtain the effluent II of NO; b) introducing the effluent II of NO, a C1-C4 alkanol and oxygen into a reactor II to be subjected to the reaction, and separating the resultant effluent to obtain the effluent IV of C1-C4 alkyl nitrites; c) introducing the effluent IV of C1-C4 alkyl nitrites and a CO gas stream into a coupling reactor where they are reacted to produce a NO containing effluent VI. The reactor I and/or the reactor II are preferably rotating supergravity reactors. Therefore, the process is applicable to the industrial production of oxalate by CO gas phase method.
摘要翻译：通过CO气相法制备草酸盐的方法包括以下步骤：a）首先将亚硝酸盐，水和无机酸引入反应器I中以产生含NO的流出物I; 并分离出所得的流出物，得到NO的流出物II; b）将NO，C1-C4链烷醇和氧气的流出物II引入待反应的反应器II中，并分离得到的流出物，得到C1-C4烷基亚硝酸盐的流出物IV; c）将C1-C4烷基亚硝酸盐的流出物IV和CO气流引入偶联反应器中，在其中反应生成含NO的流出物VI。反应器I和/或反应器II优选为旋转超重力反应器。因此，该方法适用于CO气相法工业生产草酸盐。

16. 发明申请

US20110306810A1 PROCESSES FOR SYNTHESIZING ETHYLBENZENE FROM ETHANOL AND BENZENE 有权
标题翻译：从乙醇和苯甲腈合成乙烯苯的方法
公开(公告)号：US20110306810A1
公开(公告)日：2011-12-15
申请号：US13158709
申请日：2011-06-13
申请人： Weimin Yang , Hongmin Sun , Wenjie Liu , Bin Zhang , Zhenhao Shen , Mingyao Huan , Hongyu Zhang
发明人： Weimin Yang , Hongmin Sun , Wenjie Liu , Bin Zhang , Zhenhao Shen , Mingyao Huan , Hongyu Zhang
IPC分类号： C07C1/20
CPC分类号： C07C2/864 , C07C6/126 , C07C15/073 , C07C2529/40
摘要： Processes for catalytically synthesizing ethylbenzene from ethanol and benzene comprising: 1) reacting a first mixture comprising ethanol and benzene with at least one catalyst chosen from binder-containing alkylation catalysts and binder-free alkylation catalysts in an alkylation reactor to obtain a second mixture comprising residual benzene, ethylbenzene, diethylbenzene, and water; 2) passing the second mixture successively through a benzene recovery tower, an ethylbenzene recovery tower, and a polyethylbenzene recovery tower to obtain separated water, separated benzene, separated ethylbenzene, and separated diethylbenzene; and 3) reacting a third mixture with at least one transalkylation catalyst in a transalkylation reactor, wherein the third mixture comprises at least some of the separated benzene and at least some of the separated diethylbenzene at a weight ratio ranging from about 2:1 to about 10:1.
摘要翻译：用于从乙醇和苯催化合成乙苯的方法包括：1）在烷基化反应器中使包含乙醇和苯的第一混合物与至少一种选自含粘合剂的烷基化催化剂和不含粘合剂的烷基化催化剂的催化剂反应，以获得包含残余物的第二混合物苯，乙苯，二乙苯和水; 2）将第二混合物连续通过苯回收塔，乙苯回收塔和聚乙苯回收塔，得到分离的水，分离出苯，分离乙苯，分离出二乙苯; 和3）在烷基转移反应器中使第三混合物与至少一种烷基转移催化剂反应，其中第三混合物包含至少一些分离的苯和至少一些分离的二乙基苯，重量比为约2:1至约 10：1。

17. 发明申请

US20130338406A1 METHOD FOR THE PRODUCTION OF ETHYLENE GLYCOL 有权
标题翻译：乙二醇生产方法
公开(公告)号：US20130338406A1
公开(公告)日：2013-12-19
申请号：US14001120
申请日：2012-02-24
申请人： Juntao Liu , Weimin Yang , Lei Li , Wanmin Wang , Linna Zhang , Haifeng Song
发明人： Juntao Liu , Weimin Yang , Lei Li , Wanmin Wang , Linna Zhang , Haifeng Song
IPC分类号： C07C29/149
CPC分类号： C07C29/149 , B01J8/067 , B01J2208/0053 , Y02P20/52 , C07C31/202
摘要： The present invention relates to a method for the production of ethylene glycol using a feedstock comprising an oxalate and a catalyst containing copper and/or a copper oxide, comprising contacting the feedstock with the catalyst in a reactor under the conditions of a temperature in the range from about 170 to about 270° C., a weight hourly space velocity of the oxalate in the range from about 0.2 to about 5 h−1, a molar ratio of hydrogen to the oxalate in the range from about 40:1 to about 200:1 and a reaction pressure in the range from about 1.5 to about 10 MPa, to produce an effluent containing ethylene glycol, in which the reactor is a tube-array reactor using partitioned heat exchange and adopting outer and inner tubes configured in a double-tube structure to facilitate the heat exchange of the catalyst.
摘要翻译：本发明涉及使用包含草酸盐和含有铜和/或氧化铜的催化剂的原料生产乙二醇的方法，包括在反应器中在等温范围内的温度条件下将反应器与催化剂接触约170至约270℃，草酸盐的重时空速在约0.2至约5小时-1的范围内，氢与草酸的摩尔比在约40:1至约200的范围内：1，反应压力在约1.5至约10MPa的范围内，以产生含有乙二醇的流出物，其中反应器是使用分隔热交换的管阵列反应器，并采用配置在双组分中的外管和内管，管结构以促进催化剂的热交换。

18. 发明申请

US20130079549A1 PROCESS OF PRODUCING OXALATE BY CO GAS PHASE METHOD 有权
标题翻译：通过气相法制备氧化铝的方法
公开(公告)号：US20130079549A1
公开(公告)日：2013-03-28
申请号：US13702280
申请日：2011-06-09
申请人： Weimin Yang , Juntao Liu , Wanmin Wang , Lei Li
发明人： Weimin Yang , Juntao Liu , Wanmin Wang , Lei Li
IPC分类号： C07C67/36
CPC分类号： C07C67/36 , B01J23/44 , C07C69/36
摘要： A process of producing oxalate by CO gas phase method includes the following steps: a) introducing nitrite salt, water and an inorganic acid first into a reactor I to produce a NO containing effluent I; and separating the resultant effluent to obtain the effluent II of NO; b) introducing the effluent II of NO, a C1-C4 alkanol and oxygen into a reactor II to be subjected to the reaction, and separating the resultant effluent to obtain the effluent IV of C1-C4 alkyl nitrites; c) introducing the effluent IV of C1-C4 alkyl nitrites and a CO gas stream into a coupling reactor where they are reacted to produce a NO containing effluent VI. The reactor I and/or the reactor II are preferably rotating supergravity reactors. Therefore, the process is applicable to the industrial production of oxalate by CO gas phase method.
摘要翻译：通过CO气相法制备草酸盐的方法包括以下步骤：a）首先将亚硝酸盐，水和无机酸引入反应器I中以产生含NO的流出物I; 并分离出所得的流出物，得到NO的流出物II; b）将NO，C1-C4链烷醇和氧气的流出物II引入待反应的反应器II中，并分离得到的流出物，得到C1-C4烷基亚硝酸盐的流出物IV; c）将C1-C4烷基亚硝酸盐的流出物IV和CO气流引入偶联反应器中，在其中反应生成含NO的流出物VI。反应器I和/或反应器II优选为旋转超重力反应器。因此，该方法适用于CO气相法工业生产草酸盐。

19. 发明授权

US07494951B2 Process for the manufacture of catalysts used for producing para-xylene by toluene shape selective alkylation 有权
标题翻译：制备用于通过甲苯选择性烷基化生产对二甲苯的催化剂的方法
公开(公告)号：US07494951B2
公开(公告)日：2009-02-24
申请号：US11503184
申请日：2006-08-14
申请人： Zhirong Zhu , Dejin Kong , Weimin Yang , Qingling Chen , Wei Zou , Wei Li , Min Hou , Deqin Yang
发明人： Zhirong Zhu , Dejin Kong , Weimin Yang , Qingling Chen , Wei Zou , Wei Li , Min Hou , Deqin Yang
IPC分类号： B01J29/06
CPC分类号： B01J29/40 , B01J31/0274 , B01J37/0209 , B01J2229/12 , B01J2229/32 , B01J2229/42
摘要： The present invention relates to a process for the manufacture of catalysts used for producing para-xylene by toluene shape selective alkylation. The invention is primarily used for solving the problems in the old technology, e.g., high requirements on the environment and great treatment of waste water containing organic amines when synthesizing ZSM-5 molecular sieves by using an organic amine as the template agent; small and non-homogeneous particles of the molecular sieves when synthesizing ZSM-5 molecular sieves by using an alcohol or ether as the template agent, such that the catalyst prepared thereby has low catalytic selectivity and low toluene conversion rate, etc. Said problems are better solved in the present invention by synthesizing ZSM-5 molecular sieves using the combination of organic amines and alcohols or ethers as the template agents (having a weight ratio of organic amines/alcohols=0.05-150, and organic amines/ethers=0.05-150), and modifying with organosilicon so as to obtain the catalysts. Said catalysts can be used in the industrial production of para-xylene manufactured by toluene shape selective alkylation.
摘要翻译：本发明涉及制备用于通过甲苯选择性烷基化生产对二甲苯的催化剂的方法。本发明主要用于解决老技术中的问题，例如对于通过使用有机胺作为模板剂合成ZSM-5分子筛时对环境的高要求和含有有机胺的废水的大量处理; 通过使用醇或醚作为模板剂合成ZSM-5分子筛时，分子筛的小而非均匀的颗粒，使得由此制备的催化剂具有低催化选择性和低甲苯转化率等。所述问题更好通过使用有机胺和醇或醚的组合作为模板剂（具有有机胺/醇的重量比= 0.05-150，有机胺/醚= 0.05-150）合成ZSM-5分子筛来解决本发明），并用有机硅改性以获得催化剂。所述催化剂可用于通过甲苯选择性烷基化制造的对二甲苯的工业生产。

20. 发明申请

US20070037693A1 Process for the manufacture of catalysts used for producing para-xylene by toluene shape selective alkylation 有权
标题翻译：制备用于通过甲苯选择性烷基化生产对二甲苯的催化剂的方法
公开(公告)号：US20070037693A1
公开(公告)日：2007-02-15
申请号：US11503184
申请日：2006-08-14
申请人： Zhirong Zhu , Dejin Kong , Weimin Yang , Qingling Chen , Wei Zou , Wei Li , Min Hou , Deqin Yang
发明人： Zhirong Zhu , Dejin Kong , Weimin Yang , Qingling Chen , Wei Zou , Wei Li , Min Hou , Deqin Yang
IPC分类号： B01J29/04
CPC分类号： B01J29/40 , B01J31/0274 , B01J37/0209 , B01J2229/12 , B01J2229/32 , B01J2229/42
摘要： The present invention relates to a process for the manufacture of catalysts used for producing para-xylene by toluene shape selective alkylation. The invention is primarily used for solving the problems in the old technology, e.g., high requirements on the environment and great treatment of waste water containing organic amines when synthesizing ZSM-5 molecular sieves by using an organic amine as the template agent; small and non-homogeneous particles of the molecular sieves when synthesizing ZSM-5 molecular sieves by using an alcohol or ether as the template agent, such that the catalyst prepared thereby has low catalytic selectivity and low toluene conversion rate, etc. Said problems are better solved in the present invention by synthesizing ZSM-5 molecular sieves using the combination of organic amines and alcohols or ethers as the template agents (having a weight ratio of organic amines/alcohols=0.05-150, and organic amines/ethers=0.05-150), and modifying with organosilicon so as to obtain the catalysts. Said catalysts can be used in the industrial production of para-xylene manufactured by toluene shape selective alkylation.
摘要翻译：本发明涉及制备用于通过甲苯选择性烷基化生产对二甲苯的催化剂的方法。本发明主要用于解决老技术中的问题，例如对于通过使用有机胺作为模板剂合成ZSM-5分子筛时对环境的高要求和含有有机胺的废水的大量处理; 通过使用醇或醚作为模板剂合成ZSM-5分子筛时，分子筛的小而非均匀的颗粒，使得由此制备的催化剂具有低催化选择性和低甲苯转化率等。所述问题更好通过使用有机胺和醇或醚的组合作为模板剂（具有有机胺/醇的重量比= 0.05-150，有机胺/醚= 0.05-150）合成ZSM-5分子筛来解决本发明），并用有机硅改性以获得催化剂。所述催化剂可用于通过甲苯选择性烷基化制造的对二甲苯的工业生产。

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