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151 条记录 (耗时 0.02 秒)

    Process for mixing an oxidant having explosive potential with a hydrocarbon
    11.
    发明授权
    Process for mixing an oxidant having explosive potential with a hydrocarbon 失效
    用于将具有爆炸电位的氧化剂与烃混合的方法

    公开(公告)号：US07750170B2

    公开(公告)日：2010-07-06

    申请号：US11613809

    申请日：2006-12-20

    申请人： Jeroen Willem Bolk ,  Alouisius Nicolaas Renée Bos

    发明人： Jeroen Willem Bolk ,  Alouisius Nicolaas Renée Bos

    IPC分类号： C07D301/08

    CPC分类号： C07D301/10

    摘要： The invention provides a process for the mixing of an oxidant having explosive potential with a hydrocarbon material, which comprises conveying a first stream comprising the hydrocarbon material and a second stream comprising the oxidant into a microchannel apparatus, allowing mixing to occur, and withdrawing the mixture. The process is useful for the preparation of ethylene oxide.

    摘要翻译： 本发明提供了一种用于将具有爆炸电位的氧化剂与烃类材料混合的方法，其包括将包含烃材料的第一物流和包含氧化剂的第二物流输送到微通道装置中，使混合发生并抽出混合物 。 该方法可用于制备环氧乙烷。

    Ethylene oxide production
    12.
    发明授权
    Ethylene oxide production 失效
    环氧乙烷生产

    公开(公告)号：US07153985B1

    公开(公告)日：2006-12-26

    申请号：US11333077

    申请日：2006-01-17

    申请人： Melvin R. Gary ,  Jimmy W. White ,  Michael G. Lenway

    发明人： Melvin R. Gary ,  Jimmy W. White ,  Michael G. Lenway

    IPC分类号： C07D301/08

    CPC分类号： C07D301/08

    摘要： A process for the formation of ethylene oxide wherein the presence of at least one hydrocarbon having four carbon atoms per molecule in the recycle loop gas of the process is used as an indicator of impending post-ignition conditions.

    摘要翻译： 用于形成环氧乙烷的方法，其中在该方法的循环回路气体中每分子存在至少一个具有四个碳原子的烃被用作即将到来的点火后条件的指标。

    Direct epoxidation process using modifiers
    13.
    发明授权
    Direct epoxidation process using modifiers 失效
    直接环氧化工艺使用改性剂

    公开(公告)号：US07026492B1

    公开(公告)日：2006-04-11

    申请号：US10977444

    申请日：2004-10-29

    申请人： Mark P. Kaminsky

    发明人： Mark P. Kaminsky

    IPC分类号： C07D301/06 ,  C07D301/08 ,  C07D301/04 ,  C07D301/10

    CPC分类号： C07D301/06

    摘要： The invention is a process for epoxidizing an olefin with hydrogen and oxygen in the presence of a noble metal-containing titanium or vanadium zeolite and a modifier selected from the group consisting of carbon monoxide, methylacetylene, and propadiene. The process results in significantly reduced alkane by-product formed by the hydrogenation of olefin compared to processes that do not use the carbon monoxide, methylacetylene, and/or propadiene modifier.

    摘要翻译： 本发明是在含贵金属的钛或钒沸石和选自一氧化碳，甲基乙炔和丙二烯的改性剂的存在下，用氢和氧环氧化烯烃的方法。 与不使用一氧化碳，甲基乙炔和/或丙二烯改性剂的方法相比，该方法显着降低了通过烯烃氢化形成的烷烃副产物。

    Ethylene oxide catalyst and process
    15.
    发明授权
    Ethylene oxide catalyst and process 失效
    环氧乙烷催化剂及工艺

    公开(公告)号：US5801259A

    公开(公告)日：1998-09-01

    申请号：US643158

    申请日：1996-04-30

    申请人： Ruth Mary Kowaleski

    发明人： Ruth Mary Kowaleski

    IPC分类号： C07D301/08 ,  B01J23/66 ,  B01J37/00 ,  C07D301/10 ,  C07D303/04 ,  C07D301/03

    CPC分类号： C07D301/10 ,  B01J23/66 ,  B01J37/0009 ,  Y02P20/52

    摘要： This invention relates to an ethylene oxide catalyst which contains silver and one or more alkali metal promoters supported on a carrier prepared by a process comprising the use of ceramic particle components with particle sizes chosen to ensure that a desired degree of porosity is obtained without the use of organic burnout materials.

    摘要翻译： 本发明涉及一种环氧乙烷催化剂，其包含银和一种或多种碱金属助催化剂，负载在载体上，所述载体通过包括使用选择的粒度的陶瓷颗粒组分的方法制备，以确保在不使用的情况下获得所需程度的孔隙率 的有机烧尽材料。

    Process for the production of hydrocarbon partial oxidation products
    16.
    发明授权
    Process for the production of hydrocarbon partial oxidation products 失效
    生产烃部分氧化产物的方法

    公开(公告)号：US5466837A

    公开(公告)日：1995-11-14

    申请号：US232544

    申请日：1994-04-22

    申请人： Ramakrishnan Ramachandran ,  Loc H. Dao

    发明人： Ramakrishnan Ramachandran ,  Loc H. Dao

    IPC分类号： C07B33/00 ,  C07B41/00 ,  C07C29/50 ,  C07C45/34 ,  C07C45/35 ,  C07C51/25 ,  C07C253/26 ,  C07D301/08 ,  C07D301/10 ,  C07C17/08 ,  C07C47/22

    CPC分类号： C07D301/10 ,  C07B33/00 ,  C07B41/00 ,  C07C253/26 ,  C07C29/50 ,  C07C45/34 ,  C07C45/35 ,  C07C51/252 ,  C07D301/08

    摘要： An ethylene stream which contains ethane as an impurity or a propylene stream which contains propane as an impurity is subjected to adsorption at a temperature of 50.degree. to 200.degree. C. in a bed of adsorbent which selectively adsorbs ethylene or propylene, thereby adsorbing substantially all of the ethylene or propylene. The purified ethylene or propylene stream is then subjected to partial oxidation in the presence of oxygen and, optionally ammonia to produce various partial oxidation products. The process is operated on a low per pass conversion with recycle of unreacted ethylene or propylene. In the system of the invention the adsorption unit may be upstream or downstream of the partial oxidation reactor.

    摘要翻译： 将含有杂质的乙烷或含有丙烷作为杂质的丙烯流在50℃〜200℃的温度下吸附在选择性吸附乙烯或丙烯的吸附剂床中，从而基本上全部吸附 的乙烯或丙烯。 然后将纯化的乙烯或丙烯流在氧气和任选的氨的存在下进行部分氧化以产生各种部分氧化产物。 该方法通过未反应的乙烯或丙烯的再循环在低通过转化率下操作。 在本发明的系统中，吸附单元可以在部分氧化反应器的上游或下游。

    Process for the production of nitriles
    20.
    发明授权
    Process for the production of nitriles 失效
    腈类生产工艺

    公开(公告)号：US4849538A

    公开(公告)日：1989-07-18

    申请号：US215858

    申请日：1988-07-06

    申请人： Ramakrishnan Ramachandran ,  Donald L. MacLean ,  Donald P. Satchell, Jr.

    发明人： Ramakrishnan Ramachandran ,  Donald L. MacLean ,  Donald P. Satchell, Jr.

    IPC分类号： C07D301/08 ,  C07B61/00 ,  C07C253/24 ,  C07C253/26 ,  C07C253/34 ,  C07C255/08

    CPC分类号： C07C253/26

    摘要： An improved process is provided for the production of nitriles from hydrocarbons by reaction with oxygen, air or a gas enriched in oxygen relative to air, preferably the latter, and ammonia in the presence of an ammoxidation catalyst. An alkane, e.g. propane, is converted to an alkene in a dehydrogenator. The product stream is introduced into an ammoxidation reactor. The product formed therein is recovered in a conventional quench tower. The gaseous effluent from the quench tower is treated in a PSA unit to form a gas stream containing the unreacted alkane and alkene as well as a minor amount, i.e. less than about 1 percent by volume, of oxygen and nitrogen, if present in the feed to the ammoxidation reactor. The gas stream, which may or may not contain hydrogen depending on the absorbent in the PSA unit, is introduced into a selective oxidation unit to remove the remaining oxygen and then recycled to the dehydrogenator. Hydrogen may be introduced into or removed from the PSA effluent, depending on the function of the adsorbent therein, to obtain an optimum concentration for introduction into the dehydrogenator. A particularly preferred PSA system for use in the subject process comprises two parallel PSA units containing different adsorbents such that the gas stream formed in one contains all of the hydrogen in the gas phase from the quench tower. The feed to the PSA units is divided disproportionately so that the combined PSA effluent recycle streams contain the optimum concentration of hydrogen for the dehydrogenator.