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公开(公告)号：US06649130B1
公开(公告)日：2003-11-18
申请号：US09635953
申请日：2000-08-10
申请人： Robert L. Zhou , W. Patrick Dennler , Anil R. Oroskar , Bipin V. Vora , Hayim Abrevaya , Laurence O. Stine
发明人： Robert L. Zhou , W. Patrick Dennler , Anil R. Oroskar , Bipin V. Vora , Hayim Abrevaya , Laurence O. Stine
IPC分类号： B01J808
CPC分类号： B01J8/0055 , B01J8/1827 , B01J8/26 , B01J19/26 , B01J2208/00132 , B01J2208/00292 , B01J2208/00548 , C07C253/26 , Y02P20/52 , C07C255/08
摘要： A hybrid reactor arrangement provides a reactive design that achieves higher acrylonitrile yield and lower catalyst circulating rate. The hybrid reactor design first passes a mixture of reactants and catalyst through a circulating bubbling bed reaction section. Heat exchange coils or other cooling medium in the bubbling bed reactor section maintain temperature in a range that will maximize the selectivity of reactants to the acrylonitrile product. The bubbling bed reactor section provides the initial conversion of the reactant. A circulating fluidized bed reaction zone finishes the conversion of reactants to a high yield under conditions that reduce the occurrence of secondary reactions that could otherwise produce unwanted by-products. The circulating fluidized bed reactor section maintains nearly plug flow conditions that allow continued conversion of unreacted feed components through primary reactions while limiting the time for secondary reactions to continue and diminish the final yield of products. Selectivity and conversion may also be improved by sequential addition of oxygen into the CFB reaction section. The sequential addition of oxygen may occur by the direct injection of an oxygen-containing gas or by the delivery of re-oxidized catalyst particles that are fully recharged with the lattice oxygen necessary for the reaction. Through this method the hybrid reactor provides the typical 5% improvement of higher acrylonitrile product yield from CFB-type reaction zones while reducing the required catalyst circulation by a factor of 10 or more.
摘要翻译： 混合反应器装置提供了实现较高丙烯腈产率和较低催化剂循环速率的反应性设计。 混合反应器设计首先将反应物和催化剂的混合物通过循环鼓泡床反应段。 鼓泡床反应器部分中的热交换盘管或其它冷却介质将温度保持在使反应物对丙烯腈产物的选择性最大化的范围内。 起泡床反应器部分提供反应物的初始转化。 循环流化床反应区在减少可能产生不需要的副产物的次级反应的情况下，完成反应物转化为高收率。 循环流化床反应器部分保持几乎堵塞流动条件，其允许未反应的进料组分继续转化通过初级反应，同时限制二级反应的持续时间并降低产物的最终产率。 还可以通过将顺序加入到CFB反应部分中来提高选择性和转化率。 氧的顺序添加可以通过直接注入含氧气体或通过输送用反应所需的晶格氧充分再充电的再氧化的催化剂颗粒进行。 通过该方法，混合反应器提供了CFB型反应区中较高丙烯腈产物产率的典型的5％的改进，同时将需要的催化剂循环减少10倍或更多。
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公开(公告)号：US6143915A
公开(公告)日：2000-11-07
申请号：US198300
申请日：1998-11-23
申请人： Lubo Zhou , W. Patrick Dennler , Anil R. Oroskar , Bipin V. Vora , Hayim Abrevaya , Laurence O. Stine
发明人： Lubo Zhou , W. Patrick Dennler , Anil R. Oroskar , Bipin V. Vora , Hayim Abrevaya , Laurence O. Stine
IPC分类号： B01J8/00 , B01J8/24 , B01J8/26 , B01J19/26 , C07C253/26 , C07C255/08 , C07C253/00
CPC分类号： B01J8/0055 , B01J19/26 , B01J8/1827 , B01J8/26 , C07C253/26 , B01J2208/00132 , B01J2208/00292 , B01J2208/00548 , Y02P20/52
摘要： A hybrid reactor arrangement provides a reactive design that achieves higher acrylonitrile yield and lower catalyst circulating rate. The hybrid reactor design first passes a mixture of reactants and catalyst through a circulating bubbling bed reaction section. Heat exchange coils or other cooling medium in the bubbling bed reactor section maintain temperature in a range that will maximize the selectivity of reactants to the acrylonitrile product. The bubbling bed reactor section provides the initial conversion of the reactant. A circulating fluidized bed reaction zone finishes the conversion of reactants to a high yield under conditions that reduce the occurrence of secondary reactions that could otherwise produce unwanted by-products. The circulating fluidized bed reactor section maintains nearly plug flow conditions that allow continued conversion of unreacted feed components through primary reactions while limiting the time for secondary reactions to continue and diminish the final yield of products. Selectivity and conversion may also be improved by sequential addition of oxygen into the CFB reaction section. The sequential addition of oxygen may occur by the direct injection of an oxygen-containing gas or by the delivery of re-oxidized catalyst particles that are fully recharged with the lattice oxygen necessary for the reaction. Through this method the hybrid reactor provides the typical 5% improvement of higher acrylonitrile product yield from CFB-type reaction zones while reducing the required catalyst circulation by a factor of 10 or more.
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3.发明授权Process for removing polymeric by-products from acetylene hydrogenation product 失效从乙炔氢化产物中除去聚合物副产物的方法
公开(公告)号：US6015933A
公开(公告)日：2000-01-18
申请号：US115481
申请日：1998-07-15
申请人： Hayim Abrevaya , Bipin V. Vora
发明人： Hayim Abrevaya , Bipin V. Vora
摘要： A process to remove polymeric by-products from the product of an acetylene selective hydrogenation reactor has been developed. The product is generated by introducing hydrogen and a liquid hydrocarbon stream containing largely butadiene and some acetylenes to a reactor containing a catalyst effective for the selective hydrogenation of acetylenes. The product contains at least hydrogen, butadiene, and polymeric by-products. The pressure of the product is reduced and the product cooled. The cooled product is conducted to a low pressure flash drum to produce a hydrogen enriched stream and a butadiene and polymeric by-product-enriched stream. The hydrogen-enriched stream is removed. The butadiene and polymeric by-product is passed to a knockout drum to produce a stream enriched in butadiene and polymeric by-products having less than about 12 carbon atoms and a stream enriched in polymeric by-products having about 12 or more carbon atoms. The stream enriched in polymeric by-products having about 12 or more carbon atoms is removed from the process. Polymeric by-products containing less than about 12 carbon atoms may be removed from the remaining stream by conducting a solvent and the stream enriched in butadiene and polymeric by-products containing less than about 12 carbon atoms to an extractive distillation column. In the extractive distillation column, the butadiene and polymeric by-products containing less than about 12 carbon atoms are carried with the solvent and removed in a bottoms stream as an extract mixture while the butanes and butenes are removed in an extractive distillation overhead stream. The bottoms extract stream is conducted to a stripper column where the solvent and the polymeric by-products are separated from the butadiene.
摘要翻译： 已经开发了从乙炔选择性氢化反应器的产物中除去聚合物副产物的方法。 该产物通过将含有大量丁二烯和一些乙炔的氢气和液体烃流引入含有对乙炔的选择性氢化有效的催化剂的反应器而产生。 该产品至少含有氢，丁二烯和聚合副产物。 产品的压力降低，产品冷却。 冷却的产物被传导到低压闪蒸鼓以产生富氢流和丁二烯和聚合副产物富集流。 除去富氢流。 丁二烯和聚合副产物被传送到分离鼓中以产生富含丁二烯的流和具有小于约12个碳原子的聚合副产物和富含约12个或更多个碳原子的聚合副产物的物流。 从该方法中除去富含约12个或更多个碳原子的聚合副产物的物流。 含有少于约12个碳原子的聚合副产物可以通过将富含丁二烯的溶剂和含有少于约12个碳原子的聚合副产物的物流引入萃取蒸馏塔从剩余物流中除去。 在萃取蒸馏塔中，含有少于约12个碳原子的丁二烯和聚合副产物与溶剂一起携带并在塔底物流中作为提取物混合物除去，同时在萃取蒸馏塔顶馏出物中除去丁烷和丁烯。 将塔底提取物流引入汽提塔，其中溶剂和聚合副产物与丁二烯分离。
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公开(公告)号：US5847252A
公开(公告)日：1998-12-08
申请号：US573089
申请日：1995-12-15
CPC分类号： C10G69/126 , Y02P20/582
摘要： A process for the production motor fuel components from isoparaffins by dehydrogenation, oligomerization and saturation uses a combination of low severity dehydrogenation, first and second feed input locations and a primary separation column that receives feed and effluent components to deliver a dehydrogenation zone feed and a motor fuel products. A separation column receives the an isobutane input stream and a product containing effluent stream to distill a dehydrogenation zone input steam. The dehydrogenation zone operates at low severity conditions to produce the effluent stream that compliments the operation of an oligomerization zone by delivering an effluent stream that is higher in pressure and contains inert paraffinic diluent materials. The oligomerization effluent passes to a saturation reaction zone that provides a saturated effluent stream. The saturation zone effluent is divided to provide quench to both the oligomerization reaction zone and the saturation zone and saturated motor fuel components to the separation column.
摘要翻译： 通过脱氢，低聚和饱和生产来自异构烷烃的马达燃料组分的方法使用低严重性脱氢，第一和第二进料输入位置的组合以及接收进料和流出物组分以输送脱氢区进料和马达的初级分离塔 燃料产品。 分离塔接收异丁烷输入流和含有流出物流的产物以蒸馏脱氢区输入蒸汽。 脱氢区在低苛刻度条件下操作以产生通过输送压力较高并含有惰性链烷烃稀释剂材料的流出物流来补充低聚区的操作的流出物流。 低聚流出物进入饱和反应区，提供饱和流出物流。 饱和区流出物被分开，以将低聚反应区和饱和区以及饱和运动燃料组分两者都冷却至分离塔。
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公开(公告)号：US20100240941A1
公开(公告)日：2010-09-23
申请号：US12406522
申请日：2009-03-18
申请人： Mark G. Riley , Bipin V. Vora
发明人： Mark G. Riley , Bipin V. Vora
IPC分类号： C07C5/333
CPC分类号： C07C5/3335 , C10G2400/20 , C10G2400/22
摘要： A process is presented for the dehydrogenation of hydrocarbons in a radial flow reactor. The process includes the continuous feeding of catalyst into the reactor and the continuous withdrawal of catalyst from the reactor, where the catalyst is modified to increase the increased density. The catalyst is a layered structure with a dense core and an active catalytic outer layer.
摘要翻译： 提出了一种用于在径向流动反应器中烃的脱氢的方法。 该方法包括将催化剂连续进料到反应器中，以及催化剂从反应器中连续排出，其中催化剂被改性以增加密度。 催化剂是具有致密核心和活性催化外层的层状结构。
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公开(公告)号：US07268265B1
公开(公告)日：2007-09-11
申请号：US10882531
申请日：2004-06-30
摘要： The present invention relates to a process and apparatus for the production of light olefins comprising olefins having from 2 to 3 carbon atoms per molecule from a feedstock containing heavier olefins. An intermediate cut from a fractionation column is used as olefinic feed to an olefin cracking process preferably after undergoing selective hydrogenation of diolefins. In one embodiment, a liquid side draw from a fractionation column is selectively hydrogenated and then returned to the fractionation column from which a vapor side draw containing olefins is cracked in the olefin cracking reactor.
摘要翻译： 本发明涉及一种用于生产轻质烯烃的方法和设备，其包含每分子含有2至3个碳原子的烯烃，其含有较重的烯烃的原料。 来自分馏塔的中间馏分用作烯烃裂化方法的烯烃进料，优选在进行二烯烃的选择性氢化之后。 在一个实施方案中，从分馏塔抽出的液体侧被选择性氢化，然后返回到在烯烃裂解反应器中含有烯烃的蒸汽侧馏分从其分馏的分馏塔。
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公开(公告)号：US07189885B1
公开(公告)日：2007-03-13
申请号：US10680683
申请日：2003-10-07
CPC分类号： C07C2/66 , B01J21/12 , B01J29/18 , B01J35/0006 , B01J37/26 , B01J2229/42 , C07C2/68 , C07C2521/12 , C07C2527/12 , C07C2529/18 , C07C15/107
摘要： The process disclosed herein is a process for producing phenyl-alkanes by alkylation of an aryl compound with an olefinic compound and which uses a mordenite catalyst and a silica-alumina catalyst. The selectivity of the process to 2-phenyl-alkanes can be varied over a wide range.
摘要翻译： 本文公开的方法是通过用烯烃化合物烷基化芳基化合物并使用丝光沸石催化剂和二氧化硅 - 氧化铝催化剂来生产苯基烷烃的方法。 该方法对2-苯基 - 烷烃的选择性可以在很宽的范围内变化。
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8.发明授权
公开(公告)号：US06156947A
公开(公告)日：2000-12-05
申请号：US340622
申请日：1999-06-28
申请人： Bipin V. Vora
发明人： Bipin V. Vora
CPC分类号： C07C11/08 , C07C41/06 , C07C41/42 , C07C2529/85 , Y02P20/127
摘要： A simplified process for jointly producing butene-1 and ether in a catalytic distillation column which comprises an upper catalytic zone for etherification and a lower catalytic zone for isomerization of C.sub.4 plus olefins and conversion of butadiene. The process is especially useful when combined with a process for the production of light olefins including ethylene and propylene from methanol. According to the invention, the produced butene-1 stream is combined with ethylene to produce polyethylene.
摘要翻译： 在催化蒸馏塔中共同生产丁烯-1和醚的简化方法，其包括用于醚化的上部催化区和用于C4加烯烃异构化的较低催化区和丁二烯的转化。 当与用于从甲醇生产包括乙烯和丙烯的轻质烯烃的方法组合时，该方法是特别有用的。 根据本发明，将生产的丁烯-1流与乙烯混合以制备聚乙烯。
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9.发明授权Method for treating a liquid stream contaminated with an iodine-containing compound using a solid absorbent comprising a metal phthalocyanine 失效使用含有金属酞菁的固体吸收剂处理被含碘化合物污染的液态物流的方法
公开(公告)号：US6007724A
公开(公告)日：1999-12-28
申请号：US216767
申请日：1998-12-21
申请人： Santi Kulprathipanja , Bipin V. Vora , Yan Li
发明人： Santi Kulprathipanja , Bipin V. Vora , Yan Li
CPC分类号： B01D15/00 , B01J20/20 , B01J20/223 , B01J20/3204 , B01J20/3265 , B01J20/3416 , B01J20/3425 , B01J20/3458 , B01J20/3475 , B01J2220/66
摘要： For the removal of trace quantities of iodine-containing contaminants from corrosive liquid feed streams, an adsorbent with distinct advantages over prior-art materials is provided. The treatment method involves the use of a metal phthalocyanine compound where the metal selected from the group consisting of silver, mercury, copper, lead, thallium, palladium, or mixtures thereof. Such metals are known to be reactive with the iodine-containing contaminants in the feed stream. Furthermore, the metal phthalocyanine is deposited on a carrier material selected from the group consisting of an activated carbon, a phenolic polymer, and an inorganic refractory metal oxide. Such adsorbent materials have proven substantially insoluble even in corrosive liquid feed streams associated with the invention. Reactivation and regeneration techniques, which are generally incompatible with prior-art adsorbent materials, are also disclosed.
摘要翻译： 为了从腐蚀性液体进料流中除去痕量的含碘污染物，提供了与现有技术材料相比具有明显优点的吸附剂。 处理方法涉及使用金属酞菁化合物，其中选自银，汞，铜，铅，铊，钯或其混合物的金属。 已知这些金属与进料流中的含碘污染物反应。 此外，金属酞菁沉积在选自活性炭，酚醛聚合物和无机难熔金属氧化物的载体材料上。 已经证明这种吸附材料即使在与本发明相关的腐蚀性液体进料流中也基本不溶。 还公开了通常与现有技术吸附材料不相容的再活化和再生技术。
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公开(公告)号：US5990369A
公开(公告)日：1999-11-23
申请号：US21044
申请日：1998-02-09
申请人： Paul T. Barger , R. Joe Lawson , Bipin V. Vora
发明人： Paul T. Barger , R. Joe Lawson , Bipin V. Vora
CPC分类号： C07C11/02 , C07C2529/85 , Y02P20/127
摘要： The present invention relates to a process for the production of light olefins comprising olefins having from 2 to 4 carbon atoms per molecule from an oxygenate feedstock. The process comprises passing the oxygenate feedstock to an oxygenate conversion zone containing a metal alumninophosphate catalyst to produce a light olefin stream. The light olefin stream is fractionated and a portion of the products are metathesized to enhance the yield of the ethylene, propylene, and/or butylene products. Propylene can be metathesized to produce more ethylene, or a combination of ethylene and butene can be metathesized to produce more propylene. This combination of light olefin production and metathesis, or disproportionation provides flexibility to overcome the equilibrium limitations of the metal aluminophosphate catalyst in the oxygenate conversion zone. In addition, the invention provides the advantage of extended catalyst life and greater catalyst stability in the oxygenate conversion zone.
摘要翻译： 本发明涉及一种用于生产轻质烯烃的方法，其包含每分子含有2至4个碳原子的含氧原料。 该方法包括使含氧化合物原料通入含有金属氨基磷酸盐催化剂的含氧化合物转化区以产生轻质烯烃流。 将轻质烯烃流分馏，并将一部分产物复分解，以提高乙烯，丙烯和/或丁烯产物的产率。 丙烯可以被复分解以产生更多的乙烯，或者乙烯和丁烯的组合可以被复分解以产生更多的丙烯。 轻烯烃生产和复分解的组合或歧化提供了克服金属磷酸铝催化剂在含氧化合物转化区中的平衡限制的灵活性。 此外，本发明提供了在含氧化合物转化区中延长的催化剂寿命和更大的催化剂稳定性的优点。
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