Jet fuel manufacture
    1.
    发明授权
    Jet fuel manufacture 失效
    喷气机制造

    公开(公告)号:US3791958A

    公开(公告)日:1974-02-12

    申请号:US3791958D

    申请日:1972-11-06

    Applicant: TEXACO INC

    CPC classification number: C10L1/04 C07C2/74 C07C13/28

    Abstract: JET FUELS WHICH HAVE BOTH A HIGH HEAT CONTENT AND AN ACCEPTABLE LOW TEMPERATURE VISCOSITY ARE PREPARED BY THE HYDROALKYLATION OF MONONUCLEAR AROMATIC HYDROCARBON FRACTIONS. BENZENE, TOLUENE, AND UNDEX EXTRACT, AND MIXTURES THEREOF, ARE THE PREFERRED STARTING MATERIALS. THESE ARE HYDROALKYLATED BY REACTION AT ABOUT 30*-250*C. UN DER SUPER-ATMOSPHERIC PRESSURE OF ABOUT 20-70 ATMOSPHERES OF HYDROGEN, THUS PRODUCING HYDROALKYLATES CONTAINING CYCLOALKYL-SUBSTITUTED BENZENES, METHYLCYCLOHEXYLSUBSTITUTE TOLUENS AND THE LIKE. THESE ARE FURTHER REDUCED TO THE CORRESPONDING CYCLOALKYL-SUBSTITUTED CYCLOHEXANES, TOGETHER WITH METHYLCYCLOHEXYL METHYLCYCLOHEXANES AND METHYLCYCLOHEXANE WHEN TOLUENE IS USED, AND THE REDUCTION PRODUCTS ARE ADJUSTED TO A FINAL DESIRED HEAT CONTENT AND LOW TEMPERATURE VISCOSITY BY STRIPPING OFF OR ADDING METHYLCYCLOHEXANE. THE PREFERRED CATALYST IS FINELY DIVIDED NICKEL ON A SUPPORT CONTAINING BOTH A ZEOLITE AND A SILICA-ALUMINA CRACKING CATALYST.

    Hydroalkylation process
    2.
    发明授权

    公开(公告)号:US3839477A

    公开(公告)日:1974-10-01

    申请号:US36761173

    申请日:1973-06-06

    Applicant: TEXACO INC

    CPC classification number: C07C2/74 C07C2529/14 C07C2601/14

    Abstract: 1. THE METHOD OF HYDROALKYLATING A CHARGE MONONUCLEAR AROMATIC HYDROCARBON WITH A HYDROALKYLATING QUANTITY OF HYDROGEN WHICH COMPRISES PASSING SAID CHARGE HYDROCARBON AND SAID HYDROALKYLATION ING QUANTITY OF HYDROGEN THROUGH A HYDROALKYLATION OPERATION AT HYDROALKYLATING CONDITIONS IN THE PRESENCE OF A HYDROALKYLATION CATALYST CONTAINING (A) A CRYSTALLINE ALUMINOSILICATE, AT LEAST A PORTION OF THE METAL CATION CONTENT OF WHICH IS RARE EARTH METAL INTRODCED BY BASE EXCHANGE AND (B) COBALT OR NICKEL THEREBY FORMING A PRODUCT STREAM CONTAINING HYDROALKYLATE; AND RECOVERING SAID PRODUCT STREAM CONTAINING HYDROALKYLATE.

    Hydroalkylation catalyst and process
    3.
    发明授权
    Hydroalkylation catalyst and process 失效
    氢化催化剂和工艺

    公开(公告)号:US3760018A

    公开(公告)日:1973-09-18

    申请号:US3760018D

    申请日:1971-05-17

    Applicant: TEXACO INC

    Abstract: A method for the catalytic hydroalkylation of an aromatic hydrocarbon. An aromatic hydrocarbon, for example, benzene is contacted with hydrogen and a dual function catalyst at hydroalkylation conditions including a temperature within the range of about 200* to 450* F. and at a hydrogen pressure of at least one atmosphere. The dual function catalyst comprises rhenium and an acidic oxide support. The acidic oxide support may be a silica-alumina cracking catalyst or a substantially alkali metal-free mixture of about 5 to 60 percent by weight of a crystalline zeolite and about 95 to 40 percent by weight of an alumina or a silica-alumina cracking catalyst. The hydrogenation activity of the rhenium may be modified by the inclusion of a Group VIII metal, a Group VI metal or their mixtures. Before use the composite catalyst is calcined at a temperature within the range of about 800* to 1500*F. and is reduced with hydrogen at a temperature within the range of about 400* to 1200*F. The process is useful in the hydroalkylation of benzene to prepare cyclohexylbenzene.

    Abstract translation: 一种用于芳烃的催化加氢烷基化的方法。 在包括温度在约200-450°F的温度和至少一个大气压的氢气压的加氢烷基化条件下,将芳烃例如苯与氢气和双功能催化剂接触。 双功能催化剂包含铼和酸性氧化物载体。 酸性氧化物载体可以是二氧化硅 - 氧化铝裂化催化剂或基本上不含碱金属的约5至60重量%结晶沸石的混合物和约95至40重量%的氧化铝或二氧化硅 - 氧化铝裂解催化剂 。 铼的氢化活性可以通过包含VIII族金属,第Ⅵ族金属或它们的混合物而改性。 在使用之前,复合催化剂在约800至1500°F范围内的温度下煅烧,并在约400至1200°F范围内的温度下用氢还原。该方法可用于加氢烷基化 苯制备环己基苯。

    Hydroalkylation catalyst and process
    4.
    发明授权
    Hydroalkylation catalyst and process 失效
    氢化催化剂和工艺

    公开(公告)号:US3760017A

    公开(公告)日:1973-09-18

    申请号:US3760017D

    申请日:1971-05-17

    Applicant: TEXACO INC

    Abstract: A method for the catalytic hydroalkylation of an aromatic hydrocarbon. An aromatic hydrocarbon, for example, benzene is contacted with hydrogen and a dual function catalyst at hydroalkylation conditions including a temperature within the range of about 110* to 450* F. and at a hydrogen pressure of at least one atmosphere. The dual function catalyst comprises a Group VIII metal or metal compound selected from the group consisting of nickel, cobalt and palladium and an acidic oxide suppport consisting essentially of a substantially alkali metalfree mixture of about 5 to 60 percent by weight of a crystalline zeolite and about 95 to 40 percent by weight of a silica-alumina cracking catalyst. Preferred Group VIII metals include nickel and palladium. The hydrogenation activity of the Group VIII metal may be modified by the inclusion of tungsten. Before use the composite catalyst is calcined at a temperature within the range of about 800* to 1,500* F. and is reduced with hydrogen at a temperature within the range of about 400* to 1,200*F. The process is useful in the hydroalkylation of benzene to prepare cyclohexylbenzene.

    Abstract translation: 由钴,镍和钯组成的基团和基本上由约5至60重量%的结晶沸石和约95至40重量%的二氧化硅氧化铝裂化催化剂的基本上不含碱金属的混合物组成的酸性氧化物载体。 上述组合物在约800至1500°F范围内的温度下煅烧,优选在约1000至1200°F的范围内煅烧,并在约400至1200°F范围内的温度下还原 ,优选在约500-1000°F的范围内,以制备我们改进方法的加氢烷基化催化剂。 通过在加氢烷基化条件下使选自苯,烷基苯及其混合物的芳族烃加料与加氢烷基化条件相接触进行加氢烷基化反应,所述加氢烷基化条件包括反应温度在约110-450°F范围内, 约为300至400°F,氢分压超过一​​个大气压,优选在约100至500磅/平方英寸表压的范围内。

    Hydroalkylation catalyst and process
    6.
    发明授权
    Hydroalkylation catalyst and process 失效
    氢化催化剂和工艺

    公开(公告)号:US3760019A

    公开(公告)日:1973-09-18

    申请号:US3760019D

    申请日:1971-05-17

    Applicant: TEXACO INC

    Inventor: CRONE J ARKELL A

    Abstract: A method for the catalytic hydroalkylation of an aromatic hydrocarbon. An aromatic hydrocarbon, for example, benzene is contacted with hydrogen and a dual function catalyst at hydroalkylation conditions including a temperature within the range of about 110* to 450* F. and at a hydrogen pressure of at least one atmosphere. The dual function catalyst comprises a Group VIII metal or metal compound selected from the group consisting of nickel, and cobalt and an acidic oxide support consisting essentially of a silica-alumina cracking catalyst. A preferred Group VIII metal is nickel. The hydrogenation activity of the Group VIII metal may be modified by the inclusion of tungsten. Before use the composite catalyst is steamed at a temperature within the range of about 800* to 1400* F. and is reduced with hydrogen at a temperature within the range of about 400* to 1200* F. The process is useful in the hydroalkylation of benzene to prepare cyclohexylbenzene.

    Abstract translation: 一种用于芳烃的催化加氢烷基化的方法。 在加氢烷基化条件下,将芳烃例如苯与氢气和双功能催化剂接触,包括在约110-450°F范围内的温度和至少一个大气压的氢气压力。 双功能催化剂包括选自镍和钴的第Ⅷ族金属或金属化合物和基本上由二氧化硅 - 氧化铝裂化催化剂组成的酸性氧化物载体。 优选的VIII族金属是镍。 第VIII族金属的氢化活性可以通过包含钨来改性。 在使用前,将复合催化剂在约800-1400°F的温度范围内蒸煮,并在约400-1200°F范围内的温度下用氢气还原。该方法可用于 苯制备环己基苯。

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