-
1.发明授权Integrated two step process for conversion of methane to liquid hydrocarbons of gasoline range 失效将甲烷转化为汽油范围的液态烃的综合两步法
公开(公告)号：US5336825A
公开(公告)日：1994-08-09
申请号：US912969
申请日：1992-07-10
CPC分类号： C07C2/76 , C07C2/84 , C07C2521/10 , C07C2523/02 , C07C2523/10 , C07C2529/40 , C07C2529/44 , Y10S585/943
摘要： This invention discloses an improved integrated two step process for conversion of methane to liquid hydrocarbons of gasoline range. The invention particularly comprises catalytic oxidative conversion of methane with free oxygen to ethylene and higher olefins containing gaseous product in the first step and catalytic conversion of the olefins from the product stream of the first step without separating them to liquid hydrocarbons of gasoline range in the second step, for the conversion of methane to liquid hydrocarbons. The process of the present invention could be used in the petroleum industry for the production of gasoline and liquid hydrocarbon fuels and aromatic hydrocarbons.
摘要翻译： 本发明公开了一种用于将甲烷转化为汽油范围的液体烃的改进的一体化二步法。 本发明特别包括在第一步骤中甲烷与游离氧的催化氧化转化为乙烯和含较高级烯烃的气态产物，并且将烯烃从第一步骤的产物流中进行催化转化，而不将它们分离成第二个汽油范围的液体烃 一步，用于将甲烷转化为液态烃。 本发明的方法可用于石油工业中用于生产汽油和液态烃燃料和芳烃。
-
2.发明授权Process for the preparation of an improved Li-promoted MgO catalyst useful for oxidative coupling of methane to ethane and ethylene 失效制备用于甲烷氧化偶联甲烷和乙烯的改进的Li-促进的MgO催化剂的方法
公开(公告)号：US5118654A
公开(公告)日：1992-06-02
申请号：US748772
申请日：1991-08-22
CPC分类号： C07C2/84 , B01J21/10 , B01J23/02 , B01J37/04 , C07C2521/10 , C07C2523/04 , Y02P20/52 , Y10S585/943
摘要： A process for preparation of an improved Li-promoted MgO catalyst useful for oxidative coupling of methane to ethane and ethylene, in presence of free oxygen, which comprises (i) mixing thoroughly powdered magnesium acetate and lithium acetate, which are catalyst precursors, with Li/Mg mole ratio of 0.01-1.0 with or without water, the H.sub.2 O/magnesium acetate weight ratio being in the range of 0-5.0, (ii) heating the mixture, while stirring, to dryness at a temperature of about 60.degree.-300.degree.C., (iii) powdering and calcining the dried mixture at a temperature of about 500.degree.-1000.degree.C. in presence of air, O.sub.2, CO.sub.2, inert gas (like N.sub.2, He, Ar, etc.) or their mixture or under vacuum for about 1-100 h and (iv) making by known methods the pellets, extrudates or granules of the catalyst of required size.
摘要翻译： 一种在游离氧存在下，用于制备可用于甲烷氧化偶联甲烷和乙烯的改进的Li-促进的MgO催化剂的方法，其包括（i）将完全粉末状的乙酸镁和催化剂前体的乙酸锂与Li / Mg摩尔比为0.01〜1.0，H 2 O /醋酸镁重量比在0-5.0的范围内，（ii）在搅拌下将混合物加热至约60-300℃的温度 （iii）在空气，O 2，CO 2，惰性气体（如N 2，He，Ar等）或其混合物存在下，在约500-1000℃的温度下粉化和煅烧干燥的混合物 或在真空下约1-100小时，和（iv）通过已知方法制备所需尺寸的催化剂的颗粒，挤出物或颗粒。
-
3.发明授权Composite catalysts containing transitional and alkaline earth metal oxides useful for oxidative conversion of methane (or natural gas) to carbon monoxide and hydrogen (or synthesis gas) 失效含有用于甲烷（或天然气）氧化转化为一氧化碳和氢气（或合成气））的过渡碱土金属氧化物的复合催化剂，
公开(公告)号：US5756421A
公开(公告)日：1998-05-26
申请号：US531125
申请日：1995-09-20
申请人： Vasant R. Choudhary , Amarjeet M. Rajput , Subhash D. Sansare , Bathula Prabhakar , Ajit S. Mamman
发明人： Vasant R. Choudhary , Amarjeet M. Rajput , Subhash D. Sansare , Bathula Prabhakar , Ajit S. Mamman
CPC分类号： B01J23/78 , B01J37/088 , C01B3/386 , C01B3/40 , C01B2203/0261 , C01B2203/0495 , C01B2203/1041 , C01B2203/1052 , C01B2203/1064 , C01B2203/1241 , C01B2203/1619 , Y02P20/52
摘要： The invention relates to a process for the preparation of novel composite catalysts useful for the oxidative conversion of methane to synthesis gas. The catalysts are represented by the formula: T.sub.m AO.sub.n, wherein T is a transition metal or metals, m is equal to the T/A mole ratio and is from 0.01 to 100, A is an alkaline earth metal or metals, O is oxygen and n is the number of oxygen atoms needed to form a catalyst composite wherein each element of the composite has a complete set of valence electrons. The process includes mixing compounds containing the transition metal or metals in finely ground form with the compounds containing the alkaline earth metals or metals in finely ground form in a T/A mole ratio of about 0.01 to about 100, heating the mixture to dryness at a temperature of about 80.degree. to 250.degree. C., decomposing the dried mixture at a temperature of about 400.degree. to 1200.degree. C., powdering the decomposed mixture and forming catalyst pellets thus formed at a temperature of about 400.degree. to 1500.degree. C.
摘要翻译： 本发明涉及制备用于将甲烷氧化转化为合成气的新型复合催化剂的方法。 催化剂由下式表示：TmAOn，其中T是过渡金属或金属，m等于T / A摩尔比，为0.01至100，A为碱土金属或金属，O为氧和n 是形成催化剂复合物所需的氧原子的数目，其中复合材料的每个元素具有完整的价电子组。 该方法包括以细磨的形式将含有过渡金属或金属的化合物与含有碱土金属或金属的化合物以约0.01至约100的T / A摩尔比混合，将混合物在 温度在约80℃至250℃，在约400℃至1200℃的温度下分解干燥的混合物，粉碎分解的混合物并在约400℃至1500℃的温度下形成催化剂颗粒。
-
4.发明授权Process for the production of synthesis gas by oxidative converson of methane (or natural gas) using composite catalyst containing transitional and alkine earth metal oxides 失效使用含有过渡金属和碱土金属氧化物的复合催化剂通过甲烷（或天然气）的氧化反应生产合成气的方法
公开(公告)号：US5338488A
公开(公告)日：1994-08-16
申请号：US943181
申请日：1992-09-10
申请人： Vasant R. Choudhary , Amarjeet M. Rajput , Subhash D. Sansare , Bathula Prabhakar , Ajit S. Mamman
发明人： Vasant R. Choudhary , Amarjeet M. Rajput , Subhash D. Sansare , Bathula Prabhakar , Ajit S. Mamman
CPC分类号： C01B3/40 , B01J23/78 , C01B3/386 , C01B2203/0261 , C01B2203/1011 , C01B2203/1041 , C01B2203/1052 , C01B2203/1064 , C01B2203/1241 , Y02P20/52
摘要： The invention relates to a process for the production of synthesis gas by oxidative conversion of methane using composite catalysts having the formula: T.sub.m AO.sub.n, wherein T is a transition metal or metals, m is the T/A mole ratio and is from 0.01 to 100, A is an alkaline earth metal or metals, O is oxygen and n is the number of oxygen atoms needed to form a catalyst composite wherein each element of the composite has a complete set of valence electrons. In a preferred embodiment, the process includes passing a gas containing methane and oxygen over the composite catalyst in a fixed bed reactor at a pressure in the range of 0.5-50 atm, and at a temperature in the range of 200.degree.-1000.degree. C., and recovering the synthesis gas.
摘要翻译： 本发明涉及一种通过使用具有下式的复合催化剂氧化甲烷来生产合成气的方法：TmAOn，其中T是过渡金属或金属，m是T / A摩尔比，为0.01至100， A是碱土金属或金属，O是氧，n是形成催化剂复合物所需的氧原子数，其中复合材料的每个元素具有完整的价电子。 在优选的实施方案中，该方法包括在固定床反应器中在0.5-50atm范围内的压力和200-1000℃的温度范围内将含有甲烷和氧气的气体通过复合催化剂 并回收合成气。
-
5.发明授权
公开(公告)号：US5306854A
公开(公告)日：1994-04-26
申请号：US911448
申请日：1992-07-10
CPC分类号： C10G50/00 , C07C2/00 , C07C2/82 , C07C2529/44 , Y10S585/943
摘要： The invention discloses a two step process for conversion of natural gas to liquid hydrocarbons of gasoline range comprising oxidation pyrolysis of natural gas olefins containing gaseous products in the first stage and conversion of the olefins, formed in the first step, without separating them from the gaseous product stream to liquid hydrocarbons of gasoline range in the second step. The process of the invention could be used in petrolium industries for producing gasoline liquid hydrocarbon fuels and aromatic hydrocarbons. The present invention is commercially viable and energy efficient.
摘要翻译： 本发明公开了一种用于将天然气转化为汽油范围的液体烃的两步法，其包括在第一阶段含有气态产物的天然气烯烃的氧化热解和在第一步中形成的烯烃的转化，而不将其与气态 产品流到汽油的液态碳氢化合物范围在第二步。 本发明的方法可用于石油工业生产汽油液烃燃料和芳烃。 本发明具有商业可行性和能量效率。
-
6.发明授权公开(公告)号：US06933397B2
公开(公告)日：2005-08-23
申请号：US10665356
申请日：2003-09-22
IPC分类号： C07D301/12 , C07D301/19
CPC分类号： C07D301/19
摘要： The present invention relates to a process for the liquid phase epoxidation of a normally liquid olefinic compound to corresponding organic epoxide compound using aqueous or anhydrous organic hydroperoxide as an oxidizing agent in the presence of a supported nano-gold catalysts at the effective organic hydroperoxide/olefinic compound mole ratio, catalyst/olefinic compound weight ratio and temperature to yield the epoxide.
-
公开(公告)号：US5936135A
公开(公告)日：1999-08-10
申请号：US917347
申请日：1997-08-26
CPC分类号： C07C2/00 , C07C2529/40 , C07C2529/87
摘要： The present invention describes a process for the conversion of a lower alkane or a mixture of lower alkanes or a feed containing lower alkane(s) to aromatics or higher hydrocarbons, which comprises (i) treating a bifunctional pentasil zeolite catalyst, optionally containing one or more transition elements, having strong dehydrogenation and acid sites with a mixture of H.sub.2, steam and optionally the presence of an inert gas at a gas hourly space velocity of at least about 500 cm.sup.3 g.sup.-1 h.sup.-1 at a temperature in the range of 400.degree.-800.degree. C. and pressure in the range of 1-5 atm. for a period of at least 0.5 h; (ii) treating the catalyst obtained in step (i) with air or O.sub.2 at a gas hourly space velocity of at least about 200 cm.sup.3 g.sup.-1 h.sup.-1) at a temperature in the range of 400-800.degree. C. and pressure in the range of 1-5 atm for a period of at least 0.2 h, and (iii) contacting the catalyst obtained in step (ii) with a lower alkane or mixture of lower alkanes and at least one olefin or at least one higher paraffin or both, at a gas hourly space velocity in the range of 1000-100000 cm.sup.3 g.sup.-1 h.sup.-1 at a temperature in the range of 300.degree.-600.degree. C. and pressure in the range of 1-5 atm, (iv) separating the aromatics formed from the reaction mixture by known methods and if desired, (v) recycling the unconverted lower alkanes and non-aromatics to step (iii) for further conversion.
摘要翻译： 本发明描述了将低级烷烃或低级烷烃或含低级烷烃的进料的混合物转化为芳烃或高级烃的方法，其包括（i）处理双官能五硅烷沸石催化剂，任选地含有一种或多种 更多的过渡元素，具有H2和蒸汽的混合物的强脱氢和酸性位点，并且任选存在的惰性气体的气体时间空间速度为至少约500cm 3 g-1 h -1，其温度范围为 400°-800℃，压力范围为1-5atm。 至少0.5小时; （ii）在400-800℃的温度范围内以空气或O 2以至少约200cm 3 g-1 h-1的气时空速处理所述步骤（i）中获得的催化剂和压力 在1-5atm的范围内至少0.2h的时间，和（iii）使步骤（ii）中获得的催化剂与低级烷烃或低级烷烃和至少一种烯烃或至少一种较高级链烷烃 或二者在300〜600℃的温度范围内的气时空速为1000-100000cm 3 g-1h-1，压力为1-5atm，（iv ）通过已知方法分离由反应混合物形成的芳族化合物，如果需要，（v）将未转化的低级烷烃和非芳族化合物再循环到步骤（iii）以进一步转化。
-
8.发明授权Process for the preparation of carbonyl compounds with a carbonyl group attached to the aromatic ring 失效制备具有连接到芳环上的羰基的羰基化合物的方法公开(公告)号：US06828463B2
公开(公告)日：2004-12-07
申请号：US10396358
申请日：2003-03-26
IPC分类号： C07C4527
CPC分类号： B01J23/24 , B01J23/007 , B01J23/34 , B01J27/0573 , C07C45/36 , C07C45/38 , C07C45/39
摘要： The present invention relates to a process for the preparation of aromatic carbonyl compound with carbonyl group attached to its aromatic ring, particularly relates to a process for the preparation of aromatic carbonyl compound with carbonyl group attached to its aromatic ring, by oxidizing with molecular oxygen the methylene or alcoholic group attached to aromatic ring of an aromatic compound, using a polyoxotnetallate(s) anion exchanged hydrotalcite catalyst.
摘要翻译： 本发明涉及一种制备具有连接到其芳香环上的羰基的芳族羰基化合物的方法，特别涉及一种通过与其芳香环连接的羰基制备芳族羰基化合物的方法，通过用分子氧氧化 用芳香族化合物的芳环连接的亚甲基或醇基，使用聚氧乙烯酸钠阴离子交换的水滑石催化剂。
-
9.发明授权Process of preparing composite catalysts for production of synthesis gas by oxidative conversion of methane or natural gas 失效通过甲烷或天然气氧化转化制备合成气生产复合催化剂的方法
公开(公告)号：US5411927A
公开(公告)日：1995-05-02
申请号：US930007
申请日：1992-08-14
CPC分类号： B01J23/83 , C01B3/386 , C01B3/40 , C01B2203/0261 , C01B2203/1011 , C01B2203/1041 , C01B2203/1052 , C01B2203/1064 , C01B2203/1241 , Y02P20/52
摘要： An improved process for the production of synthesis gas (or carbon monoxide and hydrogen) by oxidative conversion of natural gas or methane, which comprises passing continuously a gaseous reactant mixture comprising methane (or natural gas) and oxygen (or air) with or without water vapors over reduced or unreduced composite catalyst, containing non-transition and/or transition metal oxides, represented by the formula T.sub.m.N.sub.n.R.O.sub.p, wherein T is selected from Ni, CO, Ir or the like or a mixture thereof, m is T/R mole ratio, N is a transition or non-transition element selected from Ti, Zr, Hf, Zn, Mg, Ca or the like or a mixture thereof, n represents the N/R mole ratio, R is a rare earth element selected from La, Ce, Pr, Ho, Yb or the like, or a mixture thereof, O is oxygen and p is the number of oxygen atoms required to fulfill the valence requirement of the elements in the composite catalyst. Synthesis gas can be produced in high yields and with very high production rate by oxidative conversion of methane or natural gas to CO and H.sub.2 or synthesis gas, using the composite catalyst containing non-transition and/or transition metal oxides.
摘要翻译： 通过天然气或甲烷的氧化转化生产合成气（或一氧化碳和氢气）的改进方法，其包括连续地连续包含含有或不含水的甲烷（或天然气）和氧气（或空气）的气态反应物混合物 含有非转化和/或过渡金属氧化物的还原或未还原复合催化剂的蒸气，其由式Tm.N.R.Op表示，其中T选自Ni，CO，Ir等或其混合物，m 是T / R摩尔比，N是选自Ti，Zr，Hf，Zn，Mg，Ca等的过渡或非过渡元素或其混合物，n表示N / R摩尔比，R是罕见的 选自La，Ce，Pr，Ho，Yb等的其它元素或其混合物，O是氧，p是满足复合催化剂中元素的化合价要求所需的氧原子数。 可以使用含有非过渡金属和/或过渡金属氧化物的复合催化剂，通过将甲烷或天然气氧化转化为CO和H 2或合成气，以高产率和非常高的生产率生产合成气。
-
10.发明授权Process for production of synthesis gas by oxidative conversion of methane or natural gas using composite catalysts 失效使用复合催化剂通过甲烷或天然气的氧化转化生产合成气的方法
公开(公告)号：US5368835A
公开(公告)日：1994-11-29
申请号：US33106
申请日：1993-03-16
CPC分类号： B01J23/83 , C01B3/386 , C01B3/40 , C01B2203/0261 , C01B2203/1011 , C01B2203/1041 , C01B2203/1052 , C01B2203/1064 , C01B2203/1241 , Y02P20/52
摘要： An improved process for the production of synthesis gas (or carbon monoxide and hydrogen) by oxidative conversion of natural gas or methane, which comprises passing continuously a gaseous reactant mixture comprising methane (or natural gas) and oxygen (or air) with or without water vapors over reduced or unreduced composite catalyst, containing non-transition and/or transition metal oxides, represented by the formula T.sub.m.sup.. N.sub.n.sup.. R.sup.. O.sub.p, wherein T is selected from Ni, CO, Ir or the like or a mixture thereof, m is T/R mole ratio, N is a transition or non-transition element selected from Ti, Zr, Hf, Zn, Mg, Ca or the like or a mixture thereof, n represents the N/R mole ratio, R is a rare earth element selected from La, Ce, Pr, Ho, Yb or the like, or a mixture thereof, O is oxygen and p is the number of oxygen atoms required to fulfill the valence requirement of the elements in the composite catalyst. Synthesis gas can be produced in high yields and with very high production rate by oxidative conversion of methane or natural gas to CO and H.sub.2 or synthesis gas, using the composite catalyst containing non-transition and/or transition metal oxides.
摘要翻译： 通过天然气或甲烷的氧化转化生产合成气（或一氧化碳和氢气）的改进方法，其包括连续地连续包含含有或不含水的甲烷（或天然气）和氧气（或空气）的气态反应物混合物 含有非转化和/或过渡金属氧化物的还原或未还原复合催化剂的蒸气，其由式Tm.N.R.Op表示，其中T选自Ni，CO，Ir等或其混合物，m 是T / R摩尔比，N是选自Ti，Zr，Hf，Zn，Mg，Ca等的过渡或非过渡元素或其混合物，n表示N / R摩尔比，R是罕见的 选自La，Ce，Pr，Ho，Yb等的其它元素或其混合物，O是氧，p是满足复合催化剂中元素的化合价要求所需的氧原子数。 可以使用含有非过渡金属和/或过渡金属氧化物的复合催化剂，通过将甲烷或天然气氧化转化为CO和H 2或合成气，以高产率和非常高的生产率生产合成气。
-
-
-
-
-
-
-
-
-
搜索结果
10 条记录 (耗时 0.032 秒)
