Preparation of cyclododecatriene
    31.
    发明授权
    Preparation of cyclododecatriene 失效
    环十二碳三烯的制备

    公开(公告)号:US3878258A

    公开(公告)日:1975-04-15

    申请号:US48781274

    申请日:1974-07-11

    申请人: DU PONT

    摘要: Process for preparing 1,5,9-cyclododecatriene by contacting butadiene with a catalyst system resulting from the mixing of an aluminum composition of the structure Z(2.5 3.5)Al2Cl(3.5 2.5) wherein Z is selected from the group consisting of alkyl radicals containing from 2 to 4 carbon atoms and the phenyl radical; a titanium compound of the formula TiA4 wherein A is selected from the class consisting of Cl, Br, I and OR wherein R is an organic radical of from 1 to 20 carbon atoms; and a promoter for the catalyst system wherein the promoter is selected from the group consisting of water, oxygen and oxygen-containing organic compounds, at a temperature in the range of 20* to 120*C. and at a pressure of 0.5 to 50 atmospheres and recovering cyclododecatriene-1,5,9 along with by-products 1,5-cyclooctadiene and 4-vinylcyclohexene, the improvement which comprises adding an iodide-containing composition or compound selected from the group consisting of Z(2.5 3.5)Al2I(3.5 2.5), Z2AlI, ZAlI2, and I2 wherein Z is selected from the group consisting of alkyl radicals containing from 2 to 4 carbon atoms and the phenyl radical, the molar ratio of iodine or iodide-containing composition or compound to aluminum composition being in the range of 0.05:10 to 5:10.

    摘要翻译: 通过使丁二烯与由Z(2.5-3.5)Al 2 Cl(3.5-2.5)结构的铝组合物混合而得到的催化剂体系制备1,5,9-环十二碳三烯的方法,其中Z选自烷基 含有2至4个碳原子的基团和苯基; 式TiA 4的钛化合物,其中A选自Cl,Br,I和OR,其中R是1至20个碳原子的有机基团; 和催化剂体系的助催化剂,其中助催化剂选自水,氧和含氧有机化合物,温度范围为20-120℃,压力为0.5至50大气压 并且与副产物1,5-环辛二烯和4-乙烯基环己烯一起回收环十二碳三烯-1,5,9,其改进包括加入选自Z(2.5-3.5)Al 2 I的含碘化物的组合物或化合物 3.5-2.5),Z2AlI,ZAlI2和I2,其中Z选自含有2至4个碳原子的烷基和苯基,碘或含碘化合物或化合物与铝组成的摩尔比为 在0.05:10至5:10的范围内。

    Hydrocarbon conversion with a trimetallic catalytic composite
    32.
    发明授权
    Hydrocarbon conversion with a trimetallic catalytic composite 失效
    具有三元催化复合材料的碳氢转化

    公开(公告)号:US3839193A

    公开(公告)日:1974-10-01

    申请号:US36578273

    申请日:1973-05-31

    发明人: HAYES J

    摘要: A trimetallic acidic catalytic composite, comprising a combination of catalytically effective amounts of a platinum or palladium component, an iridium component, a germanium component and a halogen component with a porous carrier material, is disclosed. The principal utility of this composite is in the conversion of hydrocarbons, particularly in the reforming of a gasoline fraction. A specific example of the disclosed catalytic composite is a combination of catalytically effective amounts of a platinum component, an iridium component, a germanium component, and a chloride component with an alumina carrier material.

    摘要翻译: 公开了一种三金属酸性催化复合材料,其包含催化有效量的铂或钯组分,铱组分,锗组分和具有多孔载体材料的卤素组分的组合。 该复合材料的主要用途是在烃的转化中,特别是在汽油馏分的重整中。 所公开的催化复合材料的具体实例是催化有效量的铂组分,铱组分,锗组分和具有氧化铝载体材料的氯化物组分的组合。

    Hydrocarbon conversion with a catalytic composite of palladium, iridium and halogen
    33.
    发明授权
    Hydrocarbon conversion with a catalytic composite of palladium, iridium and halogen 失效
    具有钯,铱和卤素的催化复合物的氢转移

    公开(公告)号:US3839192A

    公开(公告)日:1974-10-01

    申请号:US23633472

    申请日:1972-03-20

    发明人: HAYES J

    摘要: Hydrocarbons are converted by contacting them at hydrocarbon conversion conditions with a platinum-free catalytic composite containing catalytically effective amounts of palladium, iridium and halogen combined with a porous carrier material. A specific example of the type of hydrocarbon conversion process disclosed is a process for the catalytic reforming of a gasoline fraction in the presence of hydrogen, which comprises contacting the gasoline fraction and hydrogen, at reforming conditions, with a platinum-free combination of catalytically effective amounts of a palladium component, an iridium component and a chlorine component with a gamma-alumina carrier material.

    摘要翻译: 通过在碳氢化合物转化条件下与含有催化有效量的钯,铱和卤素与多孔载体材料结合的不含铂的催化复合物将它们接触来转化烃。 所公开的烃转化方法的具体实例是在氢气存在下对汽油馏分进行催化重整的方法,该方法包括在重整条件下使汽油馏分和氢气与无铂催化有效的组合相接触 钯组分,铱组分和氯组分的量与γ-氧化铝载体材料的量。

    Combination reforming process
    34.
    发明授权
    Combination reforming process 失效
    组合改造工艺

    公开(公告)号:US3791961A

    公开(公告)日:1974-02-12

    申请号:US3791961D

    申请日:1971-12-07

    发明人: SINFELT J

    摘要: A CONVENTIONAL NAPHTHENE DEHYDROGENATION CATALYST, SUCH AS A PLATINUM-HALOGEN-ALUMINA CATALYST, IS USED IN THE INITIAL ZONE OR REACTORS IN A CATALYTIC REFORMING PROCESS; THE TAIL ZONE OR REACTORS CONTAINS A SUPPORTED GROUP VIII POLYMETALLIC CATALYST WITH PLATINUM AS ONE OF THE METALLIC COMPONENTS. IN A PREFERRED EMBODIMENT, THE TAIL ZONE CONTAINS A PLATINUM-IRIDIUM CATALYST ONE A POROUS SUPPORT SUCH AS ALUMINA. IN THE TAIL REACTORS, CONVERSION OF PARAFFINS IS OF PRIMARY IMPORTANCE, ALONG WITH DEALKYLATION OF ALKYLBENEZENES; IN THE INITIAL REACTORS, THE PREDOMINANT REACTION IS THE CONVERSION OF NAPHTTHENES TO AROMATICS. THE COMBINATION PROCESS RESULTS IN THE FORMATION OF A SIGNIFICANTLY GREATER OCTANE NUMBER PRODUCT THAN IS OBTAINED IN A CONVENTIONAL REOFMING PROCESS IN WHICH PLATINUM-ALUMINA CATALYST IS USED THROUGHOUT.

    Regeneration of a coke-deactivated bimetallic catalyst
    35.
    发明授权
    Regeneration of a coke-deactivated bimetallic catalyst 失效
    焦炭活化二元催化剂的再生

    公开(公告)号:US3751379A

    公开(公告)日:1973-08-07

    申请号:US3751379D

    申请日:1971-04-12

    发明人: HAYES J

    CPC分类号: B01J37/22 B01J23/96 C10G35/09

    摘要: A DEACTIVATED HYDROCARBON CONVERSION CATALYST, WHICH IS A COMBINATION OF A PLATINUM GROUP COMPONENT, A GROUP IV-A METALLIC COMPONENT, AND A HALOGEN COMPONENT WITH A POROUS CARRIER MATERIAL AND WHICH HAS BEEN DEACTIVATED BY DEPOSITION OF CARBONACEOUS MATERIALS THEREON DURING A PREVIOUSLY CONTACTING WITH A HYDROCARBON CHARGE STOCK AT AN ELEVATED TEMPERATURE, IS REGENERATED BY THE SEQUENTIAL STEPS OF: (1) BURNING CARBON THEREFROM AT A RELATIVELY LOW TEMPERATURE WITH A GAS STREAM CONTAINING HALOGEN OR A HALOGEN-CONTAINING COMPOUND, H2O, AND A RELATIVELY SMALL AMOUNT OF O2, (2) TREATING THE RESULTING PARTIALLY REGENERATED CATALYST AT A RELATIVELY HIGHER TEMPERATURE WITH A GAS STREAM CONTAINING A HALOGEN OR A HALOGEN-CONTAINING COMPOUND, H2O, AND A RELATIVELY HIGHER AMOUNT OF O2, (3) PURGING O2 AND H2O FROM CONTACT WITH THE RESULTING CATALYST, AND (4) SUBJECTING THE RESULTING CATALYST TO CONTACT WITH A SUBSTANTIALLY SULFUR-FREE HYDROGEN STREAM AT REDUCTION CONDITIONS. KEY FEATURES OF THE DISCLOSED METHOD ARE: (1) PRESENCE OF WATER AND HALOGEN IN THE GAS STREAM USED IN THE CARBON-BURNING STEP AND IN THE OXYGEN-TREATING STEP, (2) CAREFUL CONTROL OF THE TEMPERATURE DURING EACH STEP, (3) MAINTENANCE OF THE HALOGEN CONTENT OF THE CATALYST AT A RELATIVELY HIGH LEVEL DURING THE ENTIRE REGENERATION PROCEDURE, AND (4) CAREFUL CONTROL OVER THE COMPOSITION OF THE GAS STREAMS USED IN THE VARIOUS STEPS THEREOF.