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1. 发明申请

US20110124934A1 Process for Making Crystalline Metallosilicates 审中-公开
标题翻译：制备结晶金属硅酸盐的方法
公开(公告)号：US20110124934A1
公开(公告)日：2011-05-26
申请号：US12994570
申请日：2009-02-24
申请人： Metin Bulut , Pierre Jacobs , Delphine Minoux , Nikolai Nesterenko , Jean-Pierre Dath , Sander Van Donk
发明人： Metin Bulut , Pierre Jacobs , Delphine Minoux , Nikolai Nesterenko , Jean-Pierre Dath , Sander Van Donk
IPC分类号： C07C2/00 , C01B39/38
CPC分类号： C01B37/005 , B01J29/40 , B01J29/42 , B01J29/48 , C01B39/02 , C01B39/38 , C01P2002/72
摘要： The present invention provides a method for preparing a metallosilicate of MFI type, wherein organic templates, seeding techniques, using low aliphatic alcohols miscible with water or homogeneous starting solutions are not required.The present invention relates to a process for making a crystalline metallosilicate with high Si/Metal ratio comprising:a) providing an aqueous medium comprising OH− anions and a metal source, b) providing an aqueous medium comprising an inorganic water insoluble source of silicon, c) optionally providing a non aqueous liquid medium comprising optionally an organic source of silica, d) mixing the medium a), b) and the optional c) at conditions effective to crystallize the desired metallosilicate, e) recovering the desired metallosilicate, wherein in the mixture a)+b)+c), before crystallization, the ratio Si org/Si inorganic is
摘要翻译：本发明提供了一种制备MFI型金属硅酸盐的方法，其中不需要使用与水混合的低脂肪醇或均相起始溶液的有机模板，接种技术。本发明涉及一种制备具有高Si /金属比的结晶金属硅酸盐的方法，其包括：a）提供包含OH-阴离子和金属源的水性介质，b）提供包含无机水不溶性硅源的水性介质， c）任选地提供包含任选的二氧化硅有机源的非水液体培养基，d）在有效使结晶期望的金属硅酸盐的条件下混合培养基a），b）和任选的c），e）回收所需的金属硅酸盐，其中混合物a）+ b）+ c），在结晶之前，Si org / Si无机物的比例<0.3，有利地<0.2，优选为0，OH- / SiO 2的摩尔比为至少0.3，有利地为0.3至0.62，优选为0.31〜0.61，更优选为0.32〜0.61，非常优选为0.33〜0.6，基本上不存在模板。在另一个实施方案中，在回收所需的金属硅酸盐之前，插入步骤e），f）和g）步骤：e）将反应混合物a）+ b）+ c）冷却至约室温，f）将反应混合物的pH降低至少0.1，优选0.3至4，更优选0.5至3，g）使所得到的步骤f）的混合物在有效继续所需金属硅酸盐结晶的条件下进行。

2. 发明申请

US20110201861A1 Process for Making Crystalline Metallosilicates 审中-公开
标题翻译：制备结晶金属硅酸盐的方法
公开(公告)号：US20110201861A1
公开(公告)日：2011-08-18
申请号：US12994567
申请日：2009-02-24
申请人： Metin Bulut , Pierre Jacobs , Delphine Minoux , Nikolai Nesterenko , Jean-Pierre Dath , Sander Van Donk
发明人： Metin Bulut , Pierre Jacobs , Delphine Minoux , Nikolai Nesterenko , Jean-Pierre Dath , Sander Van Donk
IPC分类号： C07C15/08 , C01B39/02
CPC分类号： B01J29/40 , B01J2229/62 , C01B37/005 , C01B39/02 , C01B39/023 , C01B39/38 , C01B39/40 , C07C2/864 , C07C2529/70 , C10G29/205 , C10G2300/70 , Y02P20/52 , C07C15/08
摘要： The present invention relates to a process for making a crystalline metallosilicate composition and comprising crystallites having an inner part (the core) and an outer part (the outer layer or shell) such that:the ratio Si/Metal is higher in the outer part than in the inner part, the crystallites have a continuous distribution of metal and silicon over the crystalline cross-section, said process comprising: a) providing an aqueous medium comprising OH− anions and a metal source, b) providing an aqueous medium comprising an inorganic source of silicon and optionally a templating agent, c) optionally providing a non aqueous liquid medium comprising optionally an organic source of silica, d) mixing the medium a), b) and the optional c) at conditions effective to partly crystallize the desired metallosilicate, e) cooling down the reaction mixture a)+b)+c) to about room temperature, f) decreasing the pH of the reaction mixture by at least 0.1 preferably by 0.3 to 4, more preferably by 0.5 to 3, g) subjecting the resulting mixture of step f) at conditions effective to continue the crystallization of the desired metallosilicate, h) recovering the desired metallosilicate, wherein at step d) in the mixture a)+b)+c), before crystallization, the ratio Si org/Si inorganic is
摘要翻译：本发明涉及一种制备结晶金属硅酸盐组合物的方法，其包括具有内部（芯）和外部（外层或外壳）的微晶，使得外部部分的Si /金属比高于在内部，微晶在结晶横截面上具有金属和硅的连续分布，所述方法包括：a）提供包含OH-阴离子和金属源的水性介质，b）提供包含无机的水性介质硅源和任选的模板剂，c）任选地提供包含任选的二氧化硅有机源的非水性液体介质，d）在有效地使所需金属硅酸盐部分结晶的条件下，将介质a），b）和任选的c） e）将反应混合物a）+ b）+ c）冷却至约室温，f）将反应混合物的pH降低至少0.1，优选0.3至4，更优选0 g）使所得到的步骤f）的混合物在有效继续所需金属硅酸盐结晶的条件下进行; h）回收所需的金属硅酸盐，其中在混合物中的步骤d）a）+ b）+ c）在结晶之前，Si org / Si无机的比例<0.3，有利地<0.2，优选为0，OH- / SiO 2的摩尔比为至少0.3，有利地为0.3至0.62，优选为0.31至0.61，更优选为0.32 至0.61，非常优选为0.33至0.6。

3. 发明申请

US20110190561A1 Process for Making Crystalline Metallosilicates 审中-公开
标题翻译：制备结晶金属硅酸盐的方法
公开(公告)号：US20110190561A1
公开(公告)日：2011-08-04
申请号：US12994561
申请日：2009-02-24
申请人： Metin Bulut , Pierre Jacobs , Delphine Minoux , Nikolai Nesternko , Jean-Pierre Dath , Sander Van Donk
发明人： Metin Bulut , Pierre Jacobs , Delphine Minoux , Nikolai Nesternko , Jean-Pierre Dath , Sander Van Donk
IPC分类号： C07C1/20 , C01B39/00 , C01B39/02
CPC分类号： B01J29/40 , B01J2229/62 , C01B37/005 , C01B39/02 , C01B39/04 , C01B39/38 , C01B39/40 , C07C2/864 , C07C2529/70 , C10G29/205 , Y02P20/52 , C07C15/08
摘要： The present invention relates to a process for making a crystalline metallosilicate composition comprising crystallites having an inner part (the core) and an outer part (the outer layer or shell) such that: the ratio Si/metal is higher in the outer part than in the inner part, the crystallites have a continuous distribution of metal and silicon over the crystalline cross-section, said process comprising: a) providing an aqueous medium comprising OH— anions and a metal source, b) providing an aqueous medium comprising an inorganic source of silicon and optionally a templating agent, c) optionally providing a non aqueous liquid medium comprising optionally an organic source of silica, d) mixing the medium a), b) and the optional c) at conditions effective to crystallyze the desired metallosilicate, e) recovering the desired metallosilicate, wherein in the mixture a)+b)+c), before crystallization, the ratio Si org/Si inorganic is
摘要翻译：本发明涉及一种制备结晶金属硅酸盐组合物的方法，其包含具有内部部分（芯部）和外部部分（外层或外壳）的微晶，使得：外部部分的Si /金属比例高于所述内部部分，所述微晶在结晶截面上具有金属和硅的连续分布，所述方法包括：a）提供包含OH-阴离子和金属源的水性介质，b）提供包含无机源的水性介质的硅和任选的模板剂，c）任选地提供包含任选的二氧化硅有机源的非水性液体培养基，d）在有效地使所需的金属硅酸盐水解的条件下，将培养基a），b）和任选的c））回收所需的金属硅酸盐，其中在混合物a）+ b）+ c）中，在结晶之前，Si org / Si无机物的比例<0.3，有利地<0.2，优选为0，摩尔浓度 tio OH- / SiO 2为至少0.3，有利地为0.3至0.62，优选为0.31至0.61，更优选为0.32至0.61，非常优选为0.33至0.6，混合物a）+ b）+ c），在结晶之前，高于13，优选高于13.1，更优选高于13.2，还更优选高于13.3，最优选高于13.4。

4. 发明授权

US08716543B2 Process to make propylene from ethylene and either dimethyl ether, or methanol and dimethyl ether 有权
标题翻译：从乙烯和二甲醚或甲醇和二甲醚制备丙烯的方法
公开(公告)号：US08716543B2
公开(公告)日：2014-05-06
申请号：US13581817
申请日：2011-03-15
申请人： Pieter Struelens , Pierre Jacobs , Nikolai Nesterenko , Delphine Minoux , Sander Van Donk , Jean-Pierre Dath
发明人： Pieter Struelens , Pierre Jacobs , Nikolai Nesterenko , Delphine Minoux , Sander Van Donk , Jean-Pierre Dath
IPC分类号： C07C1/20
CPC分类号： C07C2/862 , C07C2/864 , C07C2/865 , C07C11/06
摘要： A process to make propylene can include providing a reaction zone containing a catalyst and introducing a feedstock into the reaction zone. The catalyst can be an acid. The feedstock can include ethylene, dimethyl ether or methanol and dimethyl ether with at least 1000 wppm of dimethyl ether, and optionally steam. The feedstock can be contacted with the catalyst at temperature and pressure conditions to produce an effluent, including propylene, hydrocarbons, steam, optionally unconverted methanol and/or unconverted dimethyl ether and optionally unconverted ethylene. The temperature at the inlet of the reaction zone can be under 280° C., such as from 50 to 280° C. The effluent can be sent to a fractionation zone to recover propylene, optionally methanol, dimethyl ether and optionally ethylene. At least a part of methanol, dimethyl ether, and ethylene can be recycled to the reaction zone at step b).
摘要翻译：制备丙烯的方法可以包括提供含有催化剂并将原料引入反应区的反应区。催化剂可以是酸。原料可以包括具有至少1000wppm二甲醚的乙烯，二甲醚或甲醇和二甲醚，以及任选的蒸汽。原料可以在温度和压力条件下与催化剂接触以产生流出物，包括丙烯，烃，蒸气，任选未转化的甲醇和/或未转化的二甲醚和任选的未转化的乙烯。反应区入口处的温度可以在280℃，例如50-280℃。流出物可以送到分馏区以回收丙烯，任选的甲醇，二甲醚和任选的乙烯。甲醇，二甲醚和乙烯的至少一部分可以在步骤b）循环到反应区。

5. 发明申请

US20130137914A1 PROCESS TO MAKE PROPYLENE FROM ETHYLENE AND EITHER DIMETHYL ETHER, OR METHANOL AND DIMETHYL ETHER 有权
标题翻译：从乙烯和二甲基醚，或甲醇和二甲醚制得丙烯的方法
公开(公告)号：US20130137914A1
公开(公告)日：2013-05-30
申请号：US13581817
申请日：2011-03-15
申请人： Pieter Struelens , Pierre Jacobs , Nikolai Nesterenko , Delphine Minoux , Sander Van Donk , Jean-Pierre Dath
发明人： Pieter Struelens , Pierre Jacobs , Nikolai Nesterenko , Delphine Minoux , Sander Van Donk , Jean-Pierre Dath
IPC分类号： C07C2/86
CPC分类号： C07C2/862 , C07C2/864 , C07C2/865 , C07C11/06
摘要： The present invention is a process to make propylene comprising:a) providing a reaction zone containing a catalyst; b) introducing a feedstock comprising ethylene, dimethyl ether or methanol and dimethyl ether comprising at least 1000 wppm of dimethyl ether, optionally steam into said reaction zone and into contact with said catalyst; c) operating said reaction zone at temperature and pressure conditions to produce an effluent comprising propylene, hydrocarbons, steam, optionally unconverted methanol and/or unconverted dimethyl ether and optionally unconverted ethylene; d) sending the effluent of step c) to a fractionation zone to recover propylene optionally methanol and for dimethyl ether and optionally ethylene; e) optionally recycling at least a part of methanol and for dimethyl ether and optionally recycling at least a part of ethylene to the reaction zone at step b); wherein the catalyst is an acid and the temperature at the inlet of the reaction zone is under 280° C. and advantageously from 50 to 280° C.
摘要翻译：本发明是制备丙烯的方法，包括：a）提供含有催化剂的反应区; b）将包含至少1000wppm二甲醚的乙烯，二甲醚或甲醇和二甲醚的原料引入所述反应区并与所述催化剂接触; c）在温度和压力条件下操作所述反应区以产生包含丙烯，烃，蒸汽，任选未转化的甲醇和/或未转化的二甲醚和任选未转化的乙烯的流出物; d）将步骤c）的流出物送入分馏区以回收丙烯任选的甲醇和二甲醚和任选的乙烯; e）任选地在步骤b）将至少一部分甲醇和二甲醚再循环至乙醚至少部分乙烯至反应区; 其中催化剂是酸，反应区入口处的温度低于280℃，有利地为50-280℃。

6. 发明授权

US09249066B2 Dehydration of alcohols on acidic catalysts 有权
标题翻译：醇在酸性催化剂上脱水
公开(公告)号：US09249066B2
公开(公告)日：2016-02-02
申请号：US13701774
申请日：2011-06-20
申请人： Delphine Minoux , Cindy Adam , Nikolai Nesterenko , Sander Van Donk , Jean-Pierre Dath , Walter Vermeiren
发明人： Delphine Minoux , Cindy Adam , Nikolai Nesterenko , Sander Van Donk , Jean-Pierre Dath , Walter Vermeiren
IPC分类号： C07C1/24
CPC分类号： C07C1/24 , C07C2521/04 , C07C2521/06 , C07C2521/12 , C07C2529/40 , C07C2529/65 , C07C2529/82 , C07C2529/83 , C07C2529/85 , Y02P20/52 , C07C11/04
摘要： A dehydration process may include introducing in a reactor an alcohol, and contacting the alcohol with an acidic catalyst to dehydrate the alcohol to make a corresponding olefin. The process may include recovering from the reactor the olefin and water. In the process, an effective amount of a component capable to neutralize a part of the catalyst active site may be introduced. The component may include ammonia, organic ammonium salts, hydrazine, nitriles, amines, amides, imines, di-imines, imides, cyanates, isocyanates, nitrites and nitroso compounds, aldehydes, ketones, carboxylic esters, and their corresponding thio-compounds.
摘要翻译：脱水方法可以包括在反应器中引入醇，并将醇与酸性催化剂接触以使醇脱水以制备相应的烯烃。该方法可以包括从反应器中回收烯烃和水。在该方法中，可以引入有效量的能够中和一部分催化剂活性部位的成分。该组分可包括氨，有机铵盐，肼，腈，胺，酰胺，亚胺，二亚胺，酰亚胺，氰酸酯，异氰酸酯，亚硝酸酯和亚硝基化合物，醛，酮，羧酸酯及其相应的硫代化合物。

7. 发明授权

US09233886B2 Simultaneous dehydration and skeletal isomerisation of isobutanol on acid catalysts 有权
标题翻译：酸催化剂上异丁醇的同时脱水和骨架异构化
公开(公告)号：US09233886B2
公开(公告)日：2016-01-12
申请号：US13582759
申请日：2011-03-15
申请人： Cindy Adam , Delphine Minoux , Nikolai Nesterenko , Sander Van Donk , Jean-Pierre Dath
发明人： Cindy Adam , Delphine Minoux , Nikolai Nesterenko , Sander Van Donk , Jean-Pierre Dath
IPC分类号： C07C1/24 , B01J29/85 , C07C5/27 , C07C11/08 , C07C11/09 , C07C5/25
CPC分类号： C07C1/24 , B01J29/85 , C07C5/2518 , C07C5/2775 , C07C11/08 , C07C11/09 , C07C2521/04 , C07C2529/40 , C07C2529/65 , C07C2529/70 , Y02P20/127
摘要： The present invention (in a first embodiment) relates to a process for the simultaneous dehydration and skeletal isomerization of isobutanol to make substantially corresponding olefins, having the same number of carbons and consisting essentially of a mixture of n-butenes and iso-butene, said process comprising: a) introducing in a reactor a stream (A) comprising isobutanol, optionally water, optionally an inert component, b) contacting said stream with a catalyst in said reactor at conditions effective to dehydrate and skeletal isomerize at least a portion of the isobutanol to make a mixture of n-butenes and iso-butene, c) recovering from said reactor a stream (B), removing water, the inert component if any and unconverted isobutanol if any to get a mixture of n-butenes and iso-butene, Wherein, the WHSV of the isobutanol is at least 1 h−1 or the temperature is from 200° C. to 600° C. and the catalyst is capable to make simultaneously the dehydration and skeletal isomerization of butene. The catalyst is a crystalline silicate of the group FER, MWW, EUO, MFS, ZSM-48, MTT, MFI, MEL or TON having Si/Al higher than 10, or a dealuminated crystalline silicate of the group FER, MWW, EUO, MFS, ZSM-48, MTT, MFI, MEL or TON having Si/Al higher than 10, or a phosphorus modified crystalline silicate of the group FER, MWW, EUO, MFS, ZSM-48, MTT, MFI, MEL or TON having Si/Al higher than 10, or a silicoaluminaphosphate molecular sieve of the group AEL, or a silicated, zirconated or titanated or fluorinated alumina. Advantageously the stream (B) is fractionated in a step d) to produce a n-butenes stream (N) and to remove the essential part of isobutene optionally recycled with stream (A) to the dehydration/isomerization reactor of step b).
摘要翻译：本发明（在第一实施方案中）涉及同时脱水和骨架异构化异丁醇以制备具有相同数目的碳并基本上由正丁烯和异丁烯组成的基本相应的烯烃的方法，所述方法方法包括：a）在反应器中引入包含异丁醇，任选的水，任选的惰性组分的物流（A），b）在所述反应器中使所述物流与催化剂接触，所述条件有效脱水并骨架异构化至少一部分异丁醇以制备正丁烯和异丁烯的混合物，c）从所述反应器回收流（B），除去水，惰性组分（如果有的话）和未转化的异丁醇，以获得正丁烯和异丁烯的混合物，丁烯，其中异丁醇的WHSV为至少1h-1或温度为200℃至600℃，催化剂能够同时进行b的脱水和骨架异构化 utene。该催化剂是具有Si / Al大于10的FER，MWW，EUO，MFS，ZSM-48，MTT，MFI，MEL或TON的结晶硅酸盐，或FER，MWW，EUO等的脱铝结晶硅酸盐，具有Si / Al大于10的MFS，ZSM-48，MTT，MFI，MEL或TON，或FER，MWW，EUO，MFS，ZSM-48，MTT，MFI，MEL或TON的磷改性结晶硅酸盐，其具有 Si / Al高于10，或AEL的硅铝磷酸盐分子筛，或硅化，锆酸化或钛酸化或氟化氧化铝。有利地，在步骤d）中将流（B）分馏以产生正丁烯料流（N），并除去任选与料流（A）一起循环的异丁烯的主要部分至步骤b）的脱水/异构化反应器。

8. 发明授权

US09079813B2 Process to make propylene from isobutanol by dehydration and subsequent cracking 有权
标题翻译：通过脱水和随后开裂从异丁醇制备丙烯的方法
公开(公告)号：US09079813B2
公开(公告)日：2015-07-14
申请号：US13813107
申请日：2011-07-08
申请人： Cindy Adam , Delphine Minoux , Nikolai Nesterenko , Sander Van Donk , Jean-Pierre Dath
发明人： Cindy Adam , Delphine Minoux , Nikolai Nesterenko , Sander Van Donk , Jean-Pierre Dath
IPC分类号： C07C1/22 , C07C1/24 , C07C4/06 , C10G3/00 , C12P5/02 , C12P7/16 , B01J21/04 , B01J29/40 , B01J29/65
CPC分类号： C07C1/24 , B01J21/04 , B01J29/40 , B01J29/65 , C07C4/06 , C07C2521/04 , C07C2529/40 , C07C2529/65 , C07C2529/85 , C10G3/44 , C10G3/49 , C10G2300/1014 , C10G2300/201 , C10G2300/4081 , C10G2400/20 , C10G2400/22 , C12P5/026 , C12P7/16 , Y02E50/10 , Y02P20/52 , Y02P30/20 , Y02P30/42 , C07C11/08 , C07C11/06
摘要： A process for conversion of isobutanol to make propylene can include dehydrating the isobutanol to produce butenes. The process can include cracking the butenes to produce propylene.
摘要翻译：异丁醇转化成丙烯的方法可以包括使异丁醇脱水以制备丁烯。该方法可以包括裂解丁烯以产生丙烯。

9. 发明授权

US09000236B2 Purification of alcohols prior to their use in the presence of an acid catalyst 有权
标题翻译：醇在使用前在酸催化剂存在下进行纯化
公开(公告)号：US09000236B2
公开(公告)日：2015-04-07
申请号：US13131407
申请日：2009-11-27
申请人： Delphine Minoux , Walter Vermeiren , Nikolai Nesterenko , Sander Van Donk , Jean-Pierre Dath
发明人： Delphine Minoux , Walter Vermeiren , Nikolai Nesterenko , Sander Van Donk , Jean-Pierre Dath
IPC分类号： C07C29/74 , C07C1/24 , C07C29/76 , C07C29/90
CPC分类号： C07C29/76 , C07C1/24 , C07C29/74 , C07C29/90 , C07C11/04 , C07C31/08
摘要： Process for the purification of an alcohol in the course of a process comprising: (1) providing a reaction zone (C) comprising an acid type catalyst; (2) providing a reaction zone (B) comprising an acid adsorbent material; (3) providing an alcohol stream comprising impurities; (4) introducing the alcohol stream of (3) into the reaction zone (B) and bringing said stream into contact with the acid adsorbent material at conditions effective to reduce the amount of impurities having an adverse effect on the acid type catalyst of the reaction zone (C); (5) recovering from step (4) an alcohol stream and introducing it into the reaction zone (C); (6) optionally introducing one or more reactants (R) into the reaction zone (C); (7) operating said reaction zone (C) at conditions effective to recover a valuable effluent.
摘要翻译：在包括以下步骤的过程中醇的纯化方法：（1）提供包含酸型催化剂的反应区（C）; （2）提供包含酸吸附材料的反应区（B）; （3）提供包含杂质的醇流; （4）将（3）的醇流引入反应区（B）中，并使所述物流与酸吸附剂材料接触，有效地减少对反应的酸型催化剂具有不利影响的杂质的量区（C）; （5）从步骤（4）中回收醇流并将其引入反应区（C）中; （6）任选地将一种或多种反应物（R）引入反应区（C）中; （7）在有效回收有价值流出物的条件下操作所述反应区（C）。

10. 发明申请

US20130217935A1 PROCESS TO MAKE OLEFINS FROM METHANOL AND ISOBUTANOL 审中-公开
标题翻译：从甲醇和异丁醇制备油脂的方法
公开(公告)号：US20130217935A1
公开(公告)日：2013-08-22
申请号：US13813170
申请日：2011-07-08
申请人： Cindy Adam , Delphine Minoux , Nikolai Nesterenko , Sander Van Donk , Jean-Pierre Dath
发明人： Cindy Adam , Delphine Minoux , Nikolai Nesterenko , Sander Van Donk , Jean-Pierre Dath
IPC分类号： C07C1/22
CPC分类号： C07C1/22 , B01J29/40 , B01J2229/42 , C07C1/20 , C07C1/24 , C07C4/06 , C07C2529/40 , C10G3/44 , C10G3/49 , C10G3/62 , C10G2300/1014 , C10G2300/1022 , C10G2300/201 , C10G2300/4081 , C10G2400/20 , C12P5/026 , C12P7/16 , Y02E50/10 , Y02P20/52 , Y02P30/42 , C07C11/02 , C07C11/06 , C07C11/08 , C07C11/04
摘要： The present invention relates to a process for making essentially ethylene and propylene comprising: a) providing an alcohol mixture (A) comprising about 20 w % to 100% isobutanol, b) introducing in a reactor (A) a stream comprising the mixture (A) mixed with methanol or dimethyl ether or mixture thereof, optionally water, optionally an inert component, c) contacting said stream with a catalyst (A1) in said reactor (A), the MTO reactor, at conditions effective to convert at least a part of the alcohol mixture (A) and at least a part of the methanol and/or dimethyl ether to olefins, d) recovering from said reactor (A) an effluent comprising: ethylene, propylene, butene, water, optionally unconverted alcohols, various hydrocarbons, and the optional inert component of step b), e) fractionating said effluent of step d) to produce at least an ethylene stream, a propylene stream, a fraction consisting essentially of hydrocarbons having 4 carbon atoms or more, water and the optional inert component of step a), optionally recycling ethylene in whole or in part at the inlet of the reactor (A), optionally recycling the fraction consisting essentially of hydrocarbons having 4 carbon atoms or more at the inlet of the reactor (A).
摘要翻译：本发明涉及一种基本上制备乙烯和丙烯的方法，包括：a）提供包含约20重量％至100重量％异丁醇的醇混合物（A），b）在反应器（A）中引入包含混合物（A ）与甲醇或二甲醚或其混合物，任选的水，任选的惰性组分混合，c）使所述流与所述反应器（A）中的催化剂（A1），所述MTO反应器在有效地转化至少一部分的醇混合物（A）和至少一部分甲醇和/或二甲醚至烯烃，d）从所述反应器（A）回收包含乙烯，丙烯，丁烯，水，任选未转化的醇，各种烃和步骤b）的任选的惰性组分，e）将步骤d）的所述流出物分馏以产生至少一种乙烯流，丙烯料流，基本上由具有4个或更多个碳原子的烃组成的馏分，水和任选的惰性 com 步骤a）的方法，任选地在反应器（A）的入口处全部或部分地回收乙烯，任选地在反应器（A）的入口处循环基本上由具有4个或更多个碳原子的烃组成的馏分。

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