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公开(公告)号:US20110105815A1
公开(公告)日:2011-05-05
申请号:US12864995
申请日:2009-02-05
IPC分类号: C07C1/24
摘要: The present invention relates to a process for the conversion of ethanol to make essentially ethylene and propylene, comprising: a) introducing in a reactor (A) (also called the first low temperature reaction zone) a stream comprising ethanol, optionally water, optionally an inert component, b) contacting said stream with a catalyst (A1) in said reactor (A) at conditions effective to dehydrate at least a portion of the ethanol to essentially ethylene, c) recovering from said reactor an effluent comprising: essentially ethylene, minor amounts of various hydrocarbons, water, optionally unconverted ethanol and the optional inert component of step a), d) fractionating said effluent of step c) to remove water, unconverted ethanol, optionally the inert component, and optionally the whole or a part of the various hydrocarbons to get a stream (D) comprising essentially ethylene and optionally the inert component, e) introducing at least a part of said stream (D) mixed with a stream (D1) comprising olefins having 4 carbon atoms or more (C4+ olefins) in a OCP reactor (also called the second high temperature reaction zone) under the condition that the mixture (D)+(D1) comprises at least 10 wt % of C4+ olefins, f) contacting said stream comprising at least a part of (D) and the stream (D1) in said OCP reactor with a catalyst which is selective towards light olefins in the effluent, to produce an effluent with an olefin content of lower molecular weight than that of the feedstock, g) fractionating said effluent of step f) to produce at least an ethylene stream, a propylene stream and a fraction consisting essentially of hydrocarbons having 4 carbon atoms or more, optionally recycling ethylene in whole or in part at the inlet of the OCP reactor of step f), or at the inlet of the reactor (A) or in part at the inlet of the OCP reactor of step f) and 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 OCP reactor.
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公开(公告)号:US20100076240A1
公开(公告)日:2010-03-25
申请号:US12374811
申请日:2007-07-13
申请人: Jean-Pierre Dath , Walter Vermeiren
发明人: Jean-Pierre Dath , Walter Vermeiren
IPC分类号: C07C4/06
CPC分类号: C10G11/05 , C10G2300/1037 , C10G2300/4018 , C10G2400/20
摘要: A process for converting a hydrocarbon feedstock to provide an effluent containing light olefins, the process comprising passing a hydrocarbon feedstock, the feedstock containing at least 25 wt % C5+ paraffins, through a reactor containing a crystalline silicate catalyst to produce an effluent including propylene.
摘要翻译: 一种用于转化烃原料以提供含有轻质烯烃的流出物的方法,该方法包括使含烃原料(含有至少25wt%的C 5+链烷烃的原料)通过含有结晶硅酸盐催化剂的反应器,以产生包含丙烯的流出物。
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公开(公告)号:US07375257B2
公开(公告)日:2008-05-20
申请号:US10398603
申请日:2001-10-03
申请人: Jean-Pierre Dath , Walter Vermeiren
发明人: Jean-Pierre Dath , Walter Vermeiren
CPC分类号: C10G11/16 , C10G2400/20
摘要: A process for cracking an olefin containing hydrocarbon feedstock which is selective towards light olefins in the effluent, the process comprising passing a hydrocarbon feedstock containing one or more olefins through a moving bed reactor containing a crystalline silicate catalyst selected from an MFI-type crystalline silicate having a silicon/aluminium atomic ratio of at least 180 and an MEL-type crystalline silicate having a silicon/aluminium atomic ration of from 150 to 800 which has been subjected to a steaming step, at an inlet temperature of from 500 to 600° C., at an olefin partial pressure of from 0.1 to 2 bars and the feedstock being passed over the catalyst at an LHSV of from 5 to 30 h−1 to produce an effluent with an olefin content of lower molecular weight than that of the feedstock, intermittently removing a first fraction of the catalyst from the moving bed reactor, regenerating the first fraction of the catalyst in a regenerator and intermittently feeding into the moving bed reactor a second fraction of the catalyst which has been regenerated in the regenerator, the catalyst regeneration rate being controlled whereby the propylene purity is maintained constant at a value corresponding to the average value observed in a fixed bed reactor using the same feedstock, catalyst and cracking conditions, for example at least 94 wt. %.
摘要翻译: 一种用于裂解对流出物中的轻质烯烃具有选择性的含烯烃的原料的方法,该方法包括使含有一种或多种烯烃的烃原料通过含有结晶硅酸盐催化剂的移动床反应器,该结晶硅酸盐催化剂选自MFI型结晶硅酸盐, 入口温度为500-600℃的硅/铝原子比至少为180的硅/铝原子比为150〜800的MEL型结晶硅酸盐,其进行了蒸汽工序。 ,烯烃分压为0.1至2巴,原料以5至30小时-1的LHSV通过催化剂以产生具有较低分子量的烯烃含量的流出物 比原料间歇地从移动床反应器中除去催化剂的第一部分,在再生器中再生催化剂的第一馏分并间歇地进料 在移动床反应器中,在再生器中再生的催化剂的第二部分,控制催化剂再生速率,由此丙烯纯度保持恒定在与使用相同原料的固定床反应器中观察到的平均值的值 ,催化剂和裂化条件,例如至少94wt。 %。
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公开(公告)号:US20050222342A1
公开(公告)日:2005-10-06
申请号:US10484484
申请日:2002-07-16
申请人: Jean-Pierre Dath , Walter Vermeiren
发明人: Jean-Pierre Dath , Walter Vermeiren
摘要: A process for hydrogenating unsaturations in polymers, the process comprising contacting at least one polymer having unsaturations with a catalyst comprising at least one Group Ia, Ib, IIb, VIb, VIIb or VIII metal on a support of an alkaline earth metal silicate having a surface area of at least 30 m2/g at a temperature of from 50 to 250° C. and a pressure of from 5 to 150 bar.
摘要翻译: 一种用于氢化聚合物中的不饱和度的方法,该方法包括使具有不饱和度的至少一种聚合物与包含至少一种Ia,Ib,IIb,VIb,VIIb或VIII族金属的催化剂接触在具有表面的碱土金属硅酸盐的载体上 在50至250℃的温度和5至150巴的压力下至少30m 2 / g的面积。
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公开(公告)号:US06388161B1
公开(公告)日:2002-05-14
申请号:US09594282
申请日:2000-06-15
申请人: Jean-Pierre Dath , Walter Vermeiren
发明人: Jean-Pierre Dath , Walter Vermeiren
IPC分类号: C10G4702
CPC分类号: C10G11/00 , C10G2400/20 , C10G2400/22
摘要: A process for cracking an olefin-rich hydrocarbon feedstock which is selective towards propylene in the effluent, the process comprising contacting a hydrocarbon feedstock containing one or more olefinic components of C4 or greater with a crystalline silicate catalyst to produce an effluent having a second composition of one or more olefinic components of C3 or greater, the feedstock and the effluent having substantially the same olefin content by weight therein characterized in that ethylene is added to the feedstock before the feedstock contacts the catalyst.
摘要翻译: 一种用于裂解在流出物中对丙烯有选择性的富烯烃的原料的方法,该方法包括将含有一种或多种C4或更多烯烃组分的烃原料与结晶硅酸盐催化剂接触以产生具有第二组成的流出物 C3或更高的一种或多种烯烃组分,所述原料和流出物具有基本上相同的烯烃含量,其特征在于在原料接触催化剂之前将乙烯加入到原料中。
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公开(公告)号:US09115040B2
公开(公告)日:2015-08-25
申请号:US13825749
申请日:2011-09-06
摘要: The present invention is a process to make isoprene comprising: a) providing a reaction zone comprising an acidic aqueous solution, b) introducing, continuously or intermittently, in said reaction zone a mixture comprising (i) isobutanol and optionally (ii) t-butanol or an iso-butene precursor which is not isobutanol and not t-butanol or iso-butene or any combination of two or three of these (ii) components, an aqueous solution of formaldehyde, c) operating said reaction zone at conditions effective to dehydrate isobutanol and optionally (ii) t-butanol and optionally the iso-butene precursor to iso-butene and produce isoprene by reaction of formaldehyde and iso-butene while distilling away a mixture comprising produced isoprene, water, unreacted starting materials and other low boiling point components from this reaction zone to the outside of the reaction zone. In another embodiment isobutanol provides 10% or more of the iso-butene for the isoprene synthesis.In another embodiment isobutanol provides 20% or more of the iso-butene for the isoprene synthesis.In another embodiment isobutanol provides 30% or more of the iso-butene for the isoprene synthesis.In another embodiment isobutanol provides 40% or more of the iso-butene for the isoprene synthesis.In another embodiment isobutanol provides 50% to 100% of the iso-butene for the isoprene synthesis.
摘要翻译: 本发明是一种制备异戊二烯的方法,其包括:a)提供包含酸性水溶液的反应区,b)在所述反应区中连续或间歇地引入混合物,所述混合物包含(i)异丁醇和任选的(ii) 或不是异丁醇而不是叔丁醇或异丁烯的异丁烯前体或这些(ii)组分的两种或三种的任何组合,甲醛水溶液,c)在有效脱水的条件下操作所述反应区 异丁醇和任选的(ⅱ)叔丁醇和任选的异丁烯前体加成异丁烯,并通过甲醛和异丁烯的反应产生异戊二烯,同时蒸馏出包含产生的异戊二烯,水,未反应的起始原料和其它低沸点的混合物 组分从该反应区到反应区外。 在另一个实施方案中,异丁醇为异戊二烯合成提供10%或更多的异丁烯。 在另一个实施方案中,异丁醇为异戊二烯合成提供20%或更多的异丁烯。 在另一个实施方案中,异丁醇为异戊二烯合成提供30%或更多的异丁烯。 在另一个实施方案中,异丁醇为异戊二烯合成提供40%或更多的异丁烯。 在另一个实施方案中,异丁醇为异戊二烯合成提供50%至100%的异丁烯。
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公开(公告)号:US20140051901A9
公开(公告)日:2014-02-20
申请号:US12097537
申请日:2006-12-14
申请人: Jean-Pierre Dath , Walter Vermeiren , Andre Noiret
发明人: Jean-Pierre Dath , Walter Vermeiren , Andre Noiret
IPC分类号: B01J29/14 , C07C4/06 , B01J29/08 , B01J29/072 , B01J29/06
CPC分类号: B01J29/40 , B01J29/084 , B01J29/80 , B01J37/0045 , B01J2229/16 , B01J2229/36 , B01J2229/37 , B01J2229/42 , C10G11/05
摘要: A process for producing a catalyst additive for an FCC catalytic cracking process, the process comprising the steps of providing an MFI or MEL aluminosilicate having a silicon/aluminium atomic ratio of from 10 to 250; de-aluminating the MFI or MEL aluminosilicate by extracting from 20 to 40 wt % of the alumina therefrom; combining the de-aluminated MFI or MEL aluminosilicate with a binder; and calcining the combination of the de-aluminated MFI or MEL aluminosilicate and the binder at elevated temperature to produce the catalyst additive.
摘要翻译: 一种用于制备用于FCC催化裂化过程的催化剂添加剂的方法,所述方法包括以下步骤:提供硅/铝原子比为10至250的MFI或MEL硅铝酸盐; 通过从其中提取20至40重量%的氧化铝,使MFI或MEL硅铝酸盐脱铝; 将脱铝的MFI或MEL硅铝酸盐与粘合剂组合; 并在升高的温度下煅烧脱铝的MFI或MEL硅铝酸盐和粘合剂的组合以产生催化剂添加剂。
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公开(公告)号:US20130217943A1
公开(公告)日:2013-08-22
申请号:US13701774
申请日:2011-06-20
申请人: Delphine Minoux , Cindy Adam , Nikolai Nesterenko , Jean-Pierre Dath , Walter Vermeiren , Sander Van Donk
发明人: Delphine Minoux , Cindy Adam , Nikolai Nesterenko , Jean-Pierre Dath , Walter Vermeiren , Sander Van Donk
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: The present invention is a process for the dehydration of an alcohol having at least 2 carbon atoms to make the corresponding olefin, comprising: a) introducing in a reactor a stream (A) comprising at least an alcohol, optionally water, optionally an inert component, b) contacting said stream with an acidic catalyst in said reactor at conditions effective to dehydrate at least a portion of the alcohol to make an olefin, c) recovering from said reactor a stream (B) comprising: the inert component and at least an olefin, water and optionally unconverted alcohol, d) optionally fractionating the stream (B) to recover the unconverted alcohol and recycling said unconverted alcohol to the reactor of step a), e) optionally fractionating the stream (B) to recover the inert component, water and the olefin and optionally recycling said inert component and optionally a part of the water to the reactor of step a), wherein, f) an effective amount of a component capable to neutralize a part of the catalyst active site is introduced in stream (A) or directly in the dehydration reactor and g) optionally the temperature of the dehydration reactor is adjusted to increase the alcohol conversion or the olefin yield or both. In another embodiment at step f) an effective amount of a component capable to increase the selectivity for the desired corresponding olefin is introduced in stream (A) or directly in the dehydration reactor.The component introduced at step f) can be chosen from the group consisting of ammonia, organic ammonium salts, hydrazine, nitriles, amines (including pyridines, pyrrols, pyrrolydones and pyrrolidines), amides, imines, di-imines, imides, cyanates, isocyanates, nitrites and nitroso compounds, aldehydes, ketones, carboxylic esters, and their corresponding thio-compounds (thiols, sulphides, disulfides).
摘要翻译: 本发明是使具有至少2个碳原子的醇脱水以制备相应的烯烃的方法,其包括:a)在反应器中引入至少包含醇,任选的水,任选的惰性组分的流(A) b)使所述物流与所述反应器中的酸性催化剂接触,在有效使所述醇的至少一部分脱水以制备烯烃的条件下,c)从所述反应器回收流(B),其包含:所述惰性组分和至少一种 烯烃,水和任选的未转化的醇,d)任选地将料流(B)分馏以回收未转化的醇,并将所述未转化的醇再循环到步骤a)的反应器中,e)任选地将料流(B)分馏以回收惰性组分, 水和烯烃,并任选地将所述惰性组分和任选的一部分水再循环到步骤a)的反应器中,其中f)有效量的能够中和一部分Ca 天然气活性位点以流(A)或直接在脱水反应器中引入,并且g)任选地调节脱水反应器的温度以增加醇转化率或烯烃产率或两者。 在步骤f)的另一个实施方案中,有效量的能够增加所需相应烯烃的选择性的组分被引入到流(A)中,或直接在脱水反应器中引入。 在步骤f)引入的组分可以选自氨,有机铵盐,肼,腈,胺(包括吡啶,吡咯,吡咯烷酮和吡咯烷),酰胺,亚胺,二亚胺,酰亚胺,氰酸酯,异氰酸酯 ,亚硝酸盐和亚硝基化合物,醛,酮,羧酸酯及其相应的硫代化合物(硫醇,硫化物,二硫化物)。
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公开(公告)号:US08426663B2
公开(公告)日:2013-04-23
申请号:US12374814
申请日:2007-07-13
申请人: Jean-Pierre Dath , Walter Vermeiren
发明人: Jean-Pierre Dath , Walter Vermeiren
IPC分类号: C07C4/18
摘要: A process for catalytically converting alkylaromatic compounds in a hydrocarbon feedstock, the process comprising passing a hydrocarbon feedstock including at least one alkylaromatic compound, wherein the alkyl group comprises at least two carbon atoms, through a reactor containing a crystalline silicate catalyst to produce an effluent including at least one aromatic compound and at least one light olefin selected from C2 and C3 olefins.
摘要翻译: 一种用于在烃原料中催化转化烷基芳族化合物的方法,该方法包括使包含至少一种烷基芳族化合物的烃原料(其中烷基包含至少两个碳原子)通过含有结晶硅酸盐催化剂的反应器,以产生流出物,其包括 至少一种芳族化合物和至少一种选自C2和C3烯烃的轻质烯烃。
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公开(公告)号:US20130041196A1
公开(公告)日:2013-02-14
申请号:US13522619
申请日:2011-01-21
IPC分类号: C07C1/22
CPC分类号: C07C1/24 , B01J29/65 , B01J29/90 , B01J2229/16 , B01J2229/36 , C07C2529/65 , C07C2529/70 , C07C2529/85 , C23C18/00 , C25D7/0664 , C25D17/00 , Y02P20/52 , Y02P20/584 , C07C11/04
摘要: The present invention (in a first embodiment) relates to a process for the dehydration of an alcohol having at least 2 carbon atoms to make the corresponding olefin, comprising: introducing in a reactor a stream (A) comprising at least an alcohol, optionally water, optionally an inert component, contacting said stream with a catalyst in said reactor at conditions effective to dehydrate at least a portion of the alcohol to make an olefin, recovering from said reactor an olefin containing stream (B), Wherein, the catalyst is a crystalline silicate of the group FER, MWW, EUO, MFS, ZSM-48, MIT or TON having Si/Al under 100, or a dealuminated crystalline silicate of the group FER, MWW, EUO, MFS, ZSM-48, MTT or TON having Si/Al under 100, or a phosphorus modified crystalline silicate of the group FER, MWW, EUO, MFS, ZSM-48, MTT or TON having Si/Al under 100, the WHSV of the alcohol is at least 4 h−1 and/or the temperature ranges from 320° C. to 600° C.
摘要翻译: 本发明(在第一实施方案中)涉及使具有至少2个碳原子的醇脱水以制备相应烯烃的方法,包括:在反应器中引入至少包含醇,任选的水 ,任选的惰性组分,在所述反应器中使所述料流与催化剂接触,在有效使至少一部分醇脱水以制备烯烃的条件下,从所述反应器回收含烯烃的料流(B),其中催化剂为 具有Si / Al低于100的组FER,MWW,EUO,MFS,ZSM-48,MIT或TON的结晶硅酸盐,或FER,MWW,EUO,MFS,ZSM-48,MTT或TON组的脱铝结晶硅酸盐 Si / Al低于100,或具有Si / Al低于100的FER,MWW,EUO,MFS,ZSM-48,MTT或TON的磷改性结晶硅酸盐,醇的WHSV为至少4h -1 和/或温度范围为320℃至600℃。
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