CONTINUOUS METHOD FOR THE HYDROGENATION OF AROMATIC COMPOUNDS
    23.
    发明申请
    CONTINUOUS METHOD FOR THE HYDROGENATION OF AROMATIC COMPOUNDS 审中-公开
    用于芳香化合物加氢的连续方法

    公开(公告)号:US20120172632A1

    公开(公告)日:2012-07-05

    申请号:US13381999

    申请日:2010-06-10

    IPC分类号: C07C29/20

    摘要: The invention relates to a continuous method for the catalytic hydrogenation of an aromatic compound into a cycloaliphatic compound, wherein said method is carried out in a piston reactor provided with a mechanical axially agitating means and comprises continuously feeding a liquid phase comprising said aromatic compound and a catalyst dispersed to the liquid phase, subjecting said liquid phase, at a temperature of between 100° C. and 300° C. and while being mechanical axially agitated, to the effects of a hydrogen pressure of between 10 and 250 bars in the presence of said catalyst dispersed in the liquid phase for a residence time of between 1 second and 10 minutes, and removing the liquid phase from the reactor.

    摘要翻译: 本发明涉及一种用于将芳族化合物催化氢化成脂环族化合物的连续方法,其中所述方法在具有机械轴向搅拌装置的活塞反应器中进行,并且包括连续地供给包含所述芳族化合物的液相和 催化剂分散到液相中,在100℃和300℃之间的温度下对所述液相进行机械轴​​向搅拌,在10巴和250巴之间的氢气压力的作用下,在 所述催化剂在液相中分散1秒至10分钟的停留时间,并从反应器中除去液相。

    Catalyst and process for hydrogenating organic compounds comprising hydrogenatable groups
    24.
    发明授权
    Catalyst and process for hydrogenating organic compounds comprising hydrogenatable groups 有权
    用于氢化包含可氢化基团的有机化合物的催化剂和方法

    公开(公告)号:US08207327B2

    公开(公告)日:2012-06-26

    申请号:US11993777

    申请日:2006-06-20

    摘要: The invention relates to a shell catalyst containing ruthenium as an active metal, alone or together with at least one other metal of the auxiliary group IB, VIIB or VIII of the periodical system of the elements (CAS version), and applied to a carrier containing silicon dioxide as a carrier material. The invention also relates to a method for producing said shell catalyst, and to a method for hydrogenating an organic compound containing hydrogenable groups, preferably for hydrogenating a carbocyclic aromatic group to form the corresponding carbocyclic aliphatic groups or for hydrogenating aldehydes to form the corresponding alcohols, using the inventive shell catalyst. The invention further relates to the use of the inventive shell catalyst for hydrogenating an organic compound containing hydrogenable groups, preferably for hydrogenating a carbocyclic aromatic group to form the corresponding carbocyclic aliphatic groups or for hydrogenating aldehydes to form the corresponding alcohols.

    摘要翻译: 本发明涉及含有钌作为活性金属的壳催化剂,其单独或与元素周期性系统(CAS版)的辅助基团IB,VIIB或VIII的至少一种其它金属一起应用于含有 二氧化硅为载体材料。 本发明还涉及一种用于生产所述壳催化剂的方法,以及用于氢化含有可氢化基团的有机化合物的方法,优选用于氢化碳环芳族基团以形成相应的碳环脂族基团或用于氢化醛以形成相应的醇, 使用本发明的壳催化剂。 本发明还涉及本发明的壳催化剂用于氢化含有可氢化基团的有机化合物,优选用于氢化碳环芳族基团以形成相应的碳环脂族基团或用于氢化醛以形成相应的醇。

    Preparation of cycloalkanols
    26.
    发明授权
    Preparation of cycloalkanols 失效
    环烷醇的制备

    公开(公告)号:US5475158A

    公开(公告)日:1995-12-12

    申请号:US159706

    申请日:1993-12-01

    CPC分类号: C07C29/095 C07C2101/14

    摘要: A process for the preparation of cycloalkanols by the hydrolysis of cycloalkyl C.sub.1 -C.sub.4 fatty acid esters, which comprises the following steps:a) reaction of cycloalkyl C.sub.1 -C.sub.4 fatty acid esters with water at a temperature of from 30.degree. to 250.degree. in the liquid phase yielding a reaction mixture consisting of cycloalkyl C.sub.1 -C.sub.4 fatty acid esters, cycloalkanol, C.sub.1 -C.sub.4 fatty acids, and water.b) separation of the reaction mixture obtained in stage a) at a temperature of from 0.degree. to 200.degree. C. into a top phase consisting substantially of cycloalkanol and cycloalkyl C.sub.1 -C.sub.4 fatty acid esters and a bottom phase consisting substantially of water and C.sub.1 -C.sub.4 fatty acids.c) separation of cycloalkanol from the top phase obtained in stage b) by distillation and recycling unconverted cycloalkyl C.sub.1 -C.sub.4 fatty acid esters to stage a).

    摘要翻译: 通过环烷基C1-C4脂肪酸酯的水解制备环烷醇的方法,其包括以下步骤:a)环烷基C1-C4脂肪酸酯与水在30℃至250℃的温度下反应 产生由环烷基C1-C4脂肪酸酯,环烷醇,C1-C4脂肪酸和水组成的反应混合物。 b)将步骤a)中获得的反应混合物在0℃至200℃的温度下分离成基本上由环烷基醇和环烷基C1-C4脂肪酸酯组成的顶相和基本上由水和C1组成的底部相 -C4脂肪酸。 c)通过蒸馏并将未转化的环烷基C1-C4脂肪酸酯再循环到步骤a)中,从步骤b)中获得的顶部相分离环烷醇。

    Process for the preparation of a mixture of cyclohexanone and
cyclohexanol
    27.
    发明授权
    Process for the preparation of a mixture of cyclohexanone and cyclohexanol 失效
    制备环己酮和环己醇的混合物的方法

    公开(公告)号:US5395976A

    公开(公告)日:1995-03-07

    申请号:US166178

    申请日:1993-12-10

    摘要: In the hydrogenation of phenol with H.sub.2 over Pd supported catalysts, the ratio of the products formed, cyclohexanone and cyclohexanol, can be predetermined by specific treatment of the catalysts during the initial activation and regeneration by O.sub.2 pretreatment and H.sub.2 treatment, the following time/temperature conditions being used:a) Cyclohexanone:cyclohexanol=85:15 to 98:2a1) for initial activation, no O.sub.2 pretreatment and H.sub.2 treatment for 50-10 hours at 300.degree.-500.degree. C.;a2) for regeneration, O.sub.2 pretreatment for 30-0.5 hours at 220.degree.-380.degree. C. and H.sub.2 treatment for 2-6 hours at 150.degree.-250.degree. C.;b) Cyclohexanone:cyclohexanol=30:70 to below 85:15b1) for initial activation, O.sub.2 pretreatment for 40-3 hours at 250.degree.-500.degree. C. and H.sub.2 treatment for 2-6 hours at 150.degree.-250.degree. C.;b2) for regeneration, O.sub.2 pretreatment for 30-0.5 hours at 380.degree.-600.degree. C. and H.sub.2 treatment for 2-6 hours at 150.degree.-250.degree. C.

    摘要翻译: 在用Pd负载型催化剂对苯酚进行氢化反应中,形成的产物 - 环己酮和环己醇的比例可以通过催化剂在初始活化和再生过程中通过O2预处理和H2处理,以下时间/温度 使用的条件:a)环己酮:环己醇= 85:15至98:2 a1)初始活化,在300-500℃下不进行O 2预处理和H2处理50-10小时。 a2)用于再生,O2预处理在220-380℃下30-0.5小时,在150-250℃下H2处理2-6小时。 b)环己酮:环己醇= 30:70〜低于85:15 b1)初始活化,在250〜-500℃下进行O 2预处理40-3小时,在150〜250℃下H2处理2-6小时 。 b2)进行再生,在380〜-600℃下进行O 2预处理30〜0.5小时,在150〜250℃下进行H2处理2-6小时。

    Process for the preparation of d,1-menthol
    28.
    发明授权
    Process for the preparation of d,1-menthol 失效
    制备d,1-薄荷醇的方法

    公开(公告)号:US5300706A

    公开(公告)日:1994-04-05

    申请号:US28850

    申请日:1993-03-10

    CPC分类号: C07C35/12

    摘要: A process for the preparation of d,l-menthol by catalytic hydrogenation of aromatic or partly hydrogenated cyclic compounds which have the carbon skeleton of menthol having at least one double bond and are substituted by oxygen in the 3-position relative to the methyl group, with simultaneous rearrangement of optically active or inactive stereoisomers of menthol at elevated temperature and under pressure is described. The hydrogenation, which is to be carried out continuously, is carried out on a fixed bed catalyst which comprises, as active constituents, palladium, ruthenium or rhodium or a mixture of these elements, and comprises alkali metal hydroxides and/or alkali metal sulphates as promoters; the support for this catalyst is doped with a rare earth metal and manganese.

    摘要翻译: 一种通过芳香族或部分氢化的环状化合物的催化氢化制备d,l-薄荷醇的方法,其具有至少一个双键的薄荷醇的碳骨架并相对于甲基在3-位上被氧取代, 描述了在升高的温度和压力下同时重新配置薄荷醇的光学活性或无活性立体异构体。 要连续进行的氢化在固定床催化剂上进行,固定床催化剂包含作为活性组分的钯,钌或铑或这些元素的混合物,并且包括碱金属氢氧化物和/或碱金属硫酸盐作为 发起人; 该催化剂的载体掺杂有稀土金属和锰。