Method for removing 6-aminocapronitrile from mixtures that contain 6-aminocapronitrile, adipodinitrile and hexamethylenediamine
    22.
    发明授权
    Method for removing 6-aminocapronitrile from mixtures that contain 6-aminocapronitrile, adipodinitrile and hexamethylenediamine 失效
    从含有6-氨基己腈,己二胺和六亚甲基二胺的混合物中除去6-氨基己腈的方法

    公开(公告)号:US06972075B2

    公开(公告)日:2005-12-06

    申请号:US10311376

    申请日:2001-06-13

    CPC classification number: C07C253/34 C07C209/48 Y10S203/20 C07C255/24

    Abstract: The invention relates to a method for removing, by distillation, 6-aminocapronitrile from mixtures that contain 6-aminocapronitrile, adipodinitrile and hexamethylenediamine, by a) removing the hexamethylenediamine from the mixture while obtaining a mixture (I) that has a hexamethylenediamine content of less than 1 wt. -%, b) removing completely or partially the 6-aminocapronitrile from mixture (I) while obtaining a mixture (II) whose content in substances that have a higher boiling point as 6-aminocapronitrile under distillation conditions and that cannot be formed by dimerization reactions when 6-aminocapronitrile is thermally treated is less than 1 wt. -%, and c) completely or partially removing from mixture (II) the hexamethylenediamine that might be present while obtaining a mixture (IV) whose hexamethylenediamine content is higher than that of mixture (II), and a mixture (V) whose hexamethylenediamine content is lower than that of mixture (II).

    Abstract translation: 本发明涉及一种通过以下方法:从含有6-氨基己腈,己二腈和六亚甲基二胺的混合物中蒸馏除去6-氨基己腈,方法是a)从混合物中除去六亚甲基二胺,同时得到六亚甲基二胺含量少的混合物(I) 超过1wt。 - %,b)从混合物(I)中完全或部分地除去6-氨基己腈,同时得到其在蒸馏条件下具有较高沸点的物质中的含量为6-氨基己腈的混合物(II),并且不能通过二聚反应形成 当6-氨基己腈被热处理时小于1wt。 - %,和c)在获得六亚甲基二胺含量高于混合物(II)的混合物(Ⅳ)的同时,可能存在的六亚甲基二胺的混合物(II)完全或部分地除去,和(VI)的六亚甲基二胺含量 低于混合物(II)。

    Method for generating catalysts
    23.
    发明授权
    Method for generating catalysts 失效
    生成催化剂的方法

    公开(公告)号:US06905997B2

    公开(公告)日:2005-06-14

    申请号:US10380550

    申请日:2001-09-20

    CPC classification number: B01J38/52 B01J23/94 C07C209/48 Y02P20/584

    Abstract: A process is provided for the regeneration of a heterogeneous catalyst used for the preparation of compounds containing NH2 groups by the hydrogenation, with hydrogen, of compounds containing at least one unsaturated carbon-nitrogen bond, wherein a) the feed of the compound to be hydrogenated is stopped and b) the heterogeneous catalyst is treated with a compound of the formula R1R2N—CO—R3  (I), in which R1 is hydrogen or C1-C4 alkyl and R2, R3 independently of one another are each hydrogen or C1-C4 alkyl or together are a C3-C6 alkylene group, or mixtures of such compounds, at a pressure ranging from 0.1 to 30 MPa and a temperature ranging from 100 to 300° C., with the proviso that the compound of formula (I) is in liquid form during the treatment.

    Abstract translation: 提供了一种用于通过氢化含有至少一个不饱和碳 - 氮键的化合物再生用于制备含有NH 2基团的化合物的非均相催化剂的再生方法,其中a) 待氢化的化合物的进料停止,b)用式<β的化合物处理非均相催化剂。在线式描述=“In-line Formulas”end =“lead”→> (I),<?in-line-formula description =“In-line Formulas”end =“tail 其中R 1是氢或C 1 -C 4烷基,R 2,R 2,R 3, 各自独立地为氢或C 1 -C 4烷基,或者一起为C 3 -C 3 亚烷基或这些化合物的混合物,在0.1至30MPa的压力和100至300℃的温度范围内,条件是式(I)化合物为 液体 在治疗过程中形成。

    Supported cobalt catalysts for nitrile hydrogenations
    26.
    发明授权
    Supported cobalt catalysts for nitrile hydrogenations 失效
    用于腈氢化的负载钴催化剂

    公开(公告)号:US06790996B2

    公开(公告)日:2004-09-14

    申请号:US10271977

    申请日:2002-10-17

    CPC classification number: C07C209/48 C07C211/11 C07C211/12

    Abstract: The invention relates to a process for preparing primary amines by hydrogenating nitrites in the presence of a catalyst comprising cobalt and optionally, in addition, nickel and also at least one further doping metal on a particulate support material, the cobalt and, if present, the nickel having an average particle size of from 3 to 30 nm in the active catalyst. The invention further relates to the use of the catalyst in a process for preparing primary amines by hydrogenating nitrites.

    Abstract translation: 本发明涉及通过在包含钴的催化剂和任选另外的镍的存在下氢化亚硝酸盐并且还在颗粒载体材料上还含有至少一种另外的掺杂金属,钴和(如果存在) 活性催化剂中的平均粒径为3〜30nm的镍。 本发明还涉及催化剂在通过氢化亚硝酸盐制备伯胺的方法中的用途。

    Hydrogenation of nitriles over Raney catalysts
    27.
    发明授权
    Hydrogenation of nitriles over Raney catalysts 失效
    在阮内催化剂上氢化腈

    公开(公告)号:US06469211B2

    公开(公告)日:2002-10-22

    申请号:US09987243

    申请日:2001-11-14

    CPC classification number: C07C209/48 C07C211/14

    Abstract: In a process for the continuous hydrogenation of nitrites to primary amines in the liquid phase over a suspended, activated Raney catalyst based on an alloy of aluminum and at least one transition metal selected from the group consisting of iron, cobalt and nickel, and, if desired, one or more further transition metals selected from the group consisting of titanium, zirconium, chromium and manganese, the hydrogenation is carried out in the absence of ammonia and basic alkali metal compounds or alkaline earth metal compounds.

    Abstract translation: 在一种基于铝合金和至少一种选自铁,钴和镍的过渡金属的悬浮活性阮内催化剂上,在液相中将亚硝酸盐连续氢化成伯胺的方法中,如果 所需的一种或多种选自钛,锆,铬和锰的过渡金属,氢化在不存在氨和碱性碱金属化合物或碱土金属化合物的情况下进行。

    Preparation of C10-C30-alkenes by partial hydrogenation of alkynes over fixed-bed supported palladium catalysts
    28.
    发明授权
    Preparation of C10-C30-alkenes by partial hydrogenation of alkynes over fixed-bed supported palladium catalysts 失效
    通过固定床负载的钯催化剂上的炔进行部分氢化制备C10-C30-烯烃

    公开(公告)号:US06365790B2

    公开(公告)日:2002-04-02

    申请号:US09734024

    申请日:2000-12-12

    Abstract: Alkenes are prepared by partial hydrogenation of alkynes in the liquid phase at from 20 to 250° C. and hydrogen partial pressures of from 0.3 to 200 bar over fixed-bed supported palladium catalysts which are obtainable by heating the support material in the air, cooling, applying a palladium compound and, if required, additionally other metal ions for doping purposes, molding and processing to give monolithic catalyst elements, by a process in which A) alkynes of 10 to 30 carbon atoms are used as starting compounds, B) the palladium compound and, if required, the other metal ions are applied to the support material by impregnation of the heated and cooled support material with a solution containing palladium salts and, if required, other metal ions and subsequent drying, and C) from 10 to 2000 ppm of carbon monoxide (CO) are added to the hydrogenation gas or a corresponding amount of CO is allowed to form in the liquid phase by slight decomposition of a compound which is added to the reaction mixture and eliminates CO under the reaction conditions. The process is particularly advantageous if the partial hydrogenation is carried out in a tube reactor by the trickle-bed or liquid phase procedure with product recycling at cross-sectional loadings of from 20 to 500 m3/m2*h. The process is particularly suitable for the preparation of 3,7,11,15-tetramethyl-1-hexadecen-3-ol (isophytol), 3,7,11-trimethyl-l-dodecen-3-ol (tetrahydronerolidol), 3,7,11-trimethyl-1,4-dodecadien-3-ol, 3,7,11-trimethyl-1,6-dodecadien-3-ol (dihydronerolidol), 3,7-dimethyloct-1,6-dien-3-ol or 3,7-dimethyloct-1-en-3-ol from the corresponding alkynes.

    Abstract translation: 烯烃通过液相中炔烃在20至250℃的部分氢化和固定床负载的钯催化剂的0.3至200巴的氢分压来制备,其可通过加热空气中的载体材料,冷却 使用钯化合物,另外还需要另外的金属离子用于掺杂目的,通过使用10-30个碳原子的炔烃作为起始化合物的方法,模塑和加工以得到整体式催化剂元素,B)钯 如果需要,另外的金属离子通过用含有钯盐的溶液浸渍加热和冷却的载体材料以及如果需要的话其它金属离子并随后干燥而被施加到载体材料上,C)为10-2000ppm 的一氧化碳(CO)加入到氢化气体中,或者相应量的CO在液相中形成,通过轻微分解添加到真空中的化合物 并且在反应条件下消除CO。如果部分氢化在管式反应器中通过滴流床或液相方法进行,则该方法是特别有利的,其中产物回收的横截面负荷为20-500m 3 / m2 * h。 该方法特别适用于制备3,7,11,15-四甲基-1-十六碳烯-3-醇(异山梨糖醇),3,7,11-三甲基-1-十二碳烯-3-醇(四氢化吗啉醇),3 ,7,11-三甲基-1,4-十二碳二烯-3-醇,3,7,11-三甲基-1,6-十二碳二烯-3-醇(二氢吗啉醇),3,7-二甲基辛-1,6-二烯 - 3-醇或3,7-二甲基辛-1-烯-3-醇。

    Carrier catalytic converter for the selective hydrogenation of alkines and dienes
    30.
    发明授权
    Carrier catalytic converter for the selective hydrogenation of alkines and dienes 失效
    用于烷烃和二烯烃选择性氢化的载体催化转化器

    公开(公告)号:US07256153B2

    公开(公告)日:2007-08-14

    申请号:US10148798

    申请日:2000-12-06

    Abstract: A catalyst for the selective hydrogenation of alkynes and dienes in C2-C5+-olefin mixtures is described.These catalysts contain (a) a metal of the tenth group of the Periodic Table, (b) a metal of the eleventh group of the Periodic Table and (c) if required, a compound of a metal of the first or second group of the Periodic Table, these metals being applied to a support which is selected from the group consisting of silica, titanium dioxide, zirconium oxides, spinels, zinc aluminates, zinc titanates or mixtures of these substances, and the metal of the eleventh group being distributed homogeneously over the cross section of the catalyst particle and the metal of the tenth group being present in the edge layer close to the surface of the catalyst particle. Such a catalyst is prepared by applying the metal of the eleventh group, preferably during the preparation of the support itself, by impregnation with a solution of a suitable metal salt.

    Abstract translation: 描述了用于C2-C5 + - 烯烃混合物中炔和二烯的选择性氢化的催化剂。 这些催化剂含有(a)元素周期表第十组的金属,(b)元素周期表第十一组的金属和(c)如果需要,可以使用第一组或第二组的金属化合物 周期表中,这些金属被施加到选自二氧化硅,二氧化钛,氧化锆,尖晶石,铝酸锌,钛酸锌或这些物质的混合物的载体上,并且第十一基团的金属均匀地分布在 催化剂颗粒的横截面和第十组的金属存在于靠近催化剂颗粒表面的边缘层中。 这样的催化剂是通过施加第十一基团的金属,优选在制备载体本身期间通过用合适的金属盐的溶液浸渍来制备的。

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