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    Integrated process for the production of 2,6-dimethylnaphthalene
    1.
    发明授权
    Integrated process for the production of 2,6-dimethylnaphthalene 有权
    用于生产2,6-二甲基萘的一体化方法

    公开(公告)号：US07718836B2

    公开(公告)日：2010-05-18

    申请号：US10162607

    申请日：2002-06-06

    申请人： Gianni Girotti ,  Giuseppe Terzoni ,  Oscar Cappellazzo ,  Renzo Bignazzi ,  Giannino Pazzuconi

    发明人： Gianni Girotti ,  Giuseppe Terzoni ,  Oscar Cappellazzo ,  Renzo Bignazzi ,  Giannino Pazzuconi

    IPC分类号： C07C15/067

    CPC分类号： C07C15/24 ,  Y02P20/125

    摘要： The present invention relates to an integrated process for the production of high purity 2,6-dimethylnaphthalene starting from hydrocarbon mixtures containing naphthalene and/or isomers of methylnaphthalene and/or isomers of dimethylnaphthalene and/or isomers of polymethylnaphthalene, and from an alkylating agent, preferably methanol, reacted in the presence of a methylated benzene solvent or mixture of various methylated benzene solvents, preferably selected from toluene, xylene and trimethylbenzene, and a catalyst consisting of ZSM-12 zeolite and an inorganic ligand.

    摘要翻译： 本发明涉及一种从含有萘和/或甲基萘异构体和/或二甲基萘异构体和/或聚甲基萘异构体的烃混合物和烷基化剂的制备高纯度2,6-二甲基萘的综合方法， 优选甲醇，在甲基化苯溶剂或各种甲基化苯溶剂，优选选自甲苯，二甲苯和三甲基苯的催化剂和由ZSM-12沸石和无机配体组成的催化剂的存在下反应。

    Process for the production of 2,6-dimethylnaphthalene
    2.
    发明授权
    Process for the production of 2,6-dimethylnaphthalene 有权
    生产2,6-二甲基萘的方法

    公开(公告)号：US07812204B2

    公开(公告)日：2010-10-12

    申请号：US11576412

    申请日：2005-11-30

    申请人： Gianni Girotti ,  Franco Rivetti ,  Renzo Bignazzi

    发明人： Gianni Girotti ,  Franco Rivetti ,  Renzo Bignazzi

    IPC分类号： C07C5/27 ,  C07C6/12 ,  C07C2/64

    CPC分类号： C07C5/2737 ,  C07C6/12 ,  C07C6/126 ,  C07C2529/70 ,  Y02P20/582 ,  C07C15/24

    摘要： The invention relates to a multi-step chemical transformation process for the production of 2,6-dimethylnaphthalene starting from one or more naphthalene hydrocarbons or hydrocarbon blends containing the same, one or more benzene hydrocarbons and, optionally, a methylating agent reacted in the presence of a catalyst containing a zeolite belonging to the MTW structural group, where hydrogen is fed in at least one of the steps.

    摘要翻译： 本发明涉及从一种或多种萘烃或含有它们的烃共混物，一种或多种苯烃和任选的甲基化剂在存在下反应的生产2,6-二甲基萘的多步化学转化方法 的含有属于MTW结构基团的沸石的催化剂，其中在至少一个步骤中进料氢。

    Process for the Production of 2,6-Dimethylnaphthalene
    3.
    发明申请
    Process for the Production of 2,6-Dimethylnaphthalene 有权
    2,6-二甲基萘的制备方法

    公开(公告)号：US20070265480A1

    公开(公告)日：2007-11-15

    申请号：US11576412

    申请日：2005-11-30

    申请人： Gianni Girotti ,  Franco Rivetti ,  Renzo Bignazzi

    发明人： Gianni Girotti ,  Franco Rivetti ,  Renzo Bignazzi

    IPC分类号： C07C15/24

    CPC分类号： C07C5/2737 ,  C07C6/12 ,  C07C6/126 ,  C07C2529/70 ,  Y02P20/582 ,  C07C15/24

    摘要： The invention relates to a multi-step chemical transformation process for the production of 2,6-dimethylnaphthalene starting from one or more naphthalene hydrocarbons or hydrocarbon blends containing the same, one or more benzene hydrocarbons and, optionally, a methylating agent reacted in the presence of a catalyst containing a zeolite belonging to the MTW structural group, where hydrogen is fed in at least one of the steps.

    摘要翻译： 本发明涉及从一种或多种萘烃或含有它们的烃共混物，一种或多种苯烃和任选的甲基化剂在存在下反应的生产2,6-二甲基萘的多步化学转化方法 的含有属于MTW结构基团的沸石的催化剂，其中在至少一个步骤中进料氢。

    Process for the separation of 2,6-dimethylnaphthalene from mixtures containing it
    5.
    发明授权
    Process for the separation of 2,6-dimethylnaphthalene from mixtures containing it 失效
    从含有它的混合物中分离2,6-二甲基萘的方法

    公开(公告)号：US06737558B2

    公开(公告)日：2004-05-18

    申请号：US09851131

    申请日：2001-05-09

    申请人： Renzo Bignazzi ,  Gianni Pandolfi

    发明人： Renzo Bignazzi ,  Gianni Pandolfi

    IPC分类号： C07C714

    CPC分类号： C07C7/14 ,  C07C15/24

    摘要： Process for the separation of 2,6-dimethylnaphthalene from mixtures containing it, comprising the following operations: crystallization by the addition of a solvent and cooling of the mixture to a temperature higher than the formation value of the first eutectic; removal of the mother liquor by repeated washings; dissolution of the solid obtained; crystallization by cooling; filtration.

    摘要翻译： 用于从含有它的混合物的混合物中分离2,6-二甲基萘的方法，包括以下操作：通过加入溶剂进行结晶并将混合物冷却至比第一共晶体的形成值高的温度;除去母液 通过反复洗涤;溶解所得固体;通过冷却结晶;过滤。

    PROCESS FOR THE TREATMENT OF THE AQUEOUS STREAM COMING FROM THE FISCHER-TROPSCH REACTION BY MEANS OF ION EXCHANGE RESINS
    7.
    发明申请
    PROCESS FOR THE TREATMENT OF THE AQUEOUS STREAM COMING FROM THE FISCHER-TROPSCH REACTION BY MEANS OF ION EXCHANGE RESINS 有权
    通过离子交换树脂从FISCHER-TROPSCH反应处理水质流的处理方法

    公开(公告)号：US20110147313A1

    公开(公告)日：2011-06-23

    申请号：US12996464

    申请日：2009-05-28

    申请人： Roberta Miglio ,  Renzo Bignazzi

    发明人： Roberta Miglio ,  Renzo Bignazzi

    IPC分类号： B01J39/00

    CPC分类号： C02F1/42 ,  B01D1/0017 ,  B01D1/22 ,  B01D3/002 ,  B01J39/04 ,  B01J41/04 ,  B01J45/00 ,  B01J47/026 ,  C02F1/04 ,  C02F1/4693 ,  C02F1/683 ,  C02F2001/422 ,  C02F2001/425 ,  C02F2103/365

    摘要： Process for the treatment of the aqueous stream coming from the Fischer-Tropsch reaction comprising: feeding the aqueous stream containing the organic by products of the reaction to a distillation or stripping column; separation from the column of an aqueous stream enriched in alcohols having from 1 to 8 carbon atoms and other possible volatile compounds; feeding the aqueous stream containing the organic acids leaving the bottom of the distillation column to an ion exchange step wherein said aqueous stream is put in contact with an anionic exchange resin bed and the production of two outgoing aqueous streams: an aqueous stream (i) enriched in organic acids having from 1 to 8 carbon atoms; a purified aqueous stream (ii) with a low content of organic acids.

    摘要翻译： 用于处理来自费 - 托反应的水流的方法，包括：将含有反应产物的含水反应产物的水流送入蒸馏塔或汽提塔; 与富含1至8个碳原子的醇的水流柱和其它可能的挥发性化合物分离; 将含有离开蒸馏塔底部的有机酸的含水物流送入离子交换步骤，其中所述含水物流与阴离子交换树脂床接触并产生两个输出的含水物流：含水物流（i）富集 在具有1至8个碳原子的有机酸中; 具有低含量有机酸的纯化水流（ⅱ）。

    Process for separating mixtures of hydrocarbon isomers in gas phase on molecular sieves
    10.
    发明授权
    Process for separating mixtures of hydrocarbon isomers in gas phase on molecular sieves 有权
    在分子筛上分离气相中烃异构体的混合物的方法

    公开(公告)号：US06924406B2

    公开(公告)日：2005-08-02

    申请号：US09886994

    申请日：2001-06-25

    申请人： Gianluca Girardi ,  Gianni Pandolfi ,  Renzo Bignazzi ,  Renato Paludetto

    发明人： Gianluca Girardi ,  Gianni Pandolfi ,  Renzo Bignazzi ,  Renato Paludetto

    IPC分类号： C07C7/13 ,  C07C9/14 ,  C07C15/04 ,  C07C15/06 ,  C07C15/073 ,  C07C15/08 ,  C10G25/03 ,  C10G53/08 ,  C07C7/12

    CPC分类号： C07C7/13

    摘要： A process for separating mixtures of hydrocarbon isomers on molecular sieves, including providing columns which include molecular sieves and function alternatively as secondary adsorption, primary adsorption, and desorption devices, feeding the mixtures of hydrocarbon isomers to a column functioning as the primary adsorption device for adsorbing isomers with greater selectivity towards the molecular sieves, feeding effluent of the mixtures from the column functioning as the primary adsorption device to a column functioning as the secondary adsorption device for adsorbing remaining isomers with greater selectivity, discharging isomers with a lower selectivity from the column functioning as the secondary adsorption device and a desorbing agent therein, feeding a desorbing agent to the column functioning as the desorption device, discharging isomers with a greater selectivity towards the molecular sieves and the desorbing agent in the column functioning as the desorption device.

    摘要翻译： 分子筛上分离烃异构体的混合物的方法，包括提供包括分子筛的色谱柱，或者作为二次吸附，主要吸附和解吸装置的功能，将烃异构体的混合物供给到用作吸附的主要吸附装置的塔 对分子筛具有更高选择性的异构体，将来自作为主要吸附装置的塔的混合物的流出物供给到用作用于以更高选择性吸附剩余的异构体的第二吸附装置的塔，从柱的功能以较低的选择性排出异构体 作为第二吸附装置和解吸剂，将脱附剂供给到用作解吸装置的塔中，以用作解吸装置的塔中的分子筛和解吸剂以更大的选择性排出异构体。