Process for preparation of diamines by catalytic amination of
aminoalcohols
    4.
    发明授权
    Process for preparation of diamines by catalytic amination of aminoalcohols 失效
    通过氨基醇的催化胺化制备二胺的方法

    公开(公告)号:US5608113A

    公开(公告)日:1997-03-04

    申请号:US513632

    申请日:1995-08-10

    摘要: In a process for preparing diamines from aminoalcohols and nitrogen compounds selected from the group consisting of ammonia and primary and secondary amines at from 80.degree. to 250.degree. C. and pressures of from 1 to 400 bar using hydrogen in the presence of a zirconium, copper, nickel catalyst, the catalytically active composition comprises from 20 to 85% by weight of oxygen-containing zirconium compounds, calculated as ZrO.sub.2, from 1 to 30% by weight of oxygen-containing compounds of copper, calculated as CuO, from 30 to 70% by weight of oxygen-containing compounds of nickel, calculated as NiO, from 0.1 to 5% by weight of oxygen-containing compounds of molybdenum, calculated as MoO.sub.3, and from 0 to 10% by weight of oxygen-containing compounds of aluminum and/or manganese, calculated as Al.sub.2 O.sub.3 and MnO.sub.2 respectively.

    摘要翻译: 在使用氢存在下,在锆存在下,使用氢气从80℃至250℃,压力为1至400巴的氨基和伯胺和仲胺从氨基醇和氮化合物中制备二胺的方法中, 镍催化剂,催化活性组合物包含20至85重量%的以ZrO 2计算的含氧锆化合物,1至30重量%的以CuO计的含氧化合物铜30至70 按NiO计的含镍化合物的重量百分比为0.1至5重量%的按MoO 3计算的含氧化合物的钼和0至10重量%的含氧化合物的铝和 /或锰,分别计算为Al2O3和MnO2。

    Method for separating triethanolamin from a mixture obtainable by ammonia and ethylene oxide reaction
    8.
    发明申请
    Method for separating triethanolamin from a mixture obtainable by ammonia and ethylene oxide reaction 有权
    从由氨和环氧乙烷反应获得的混合物中分离三乙醇胺的方法

    公开(公告)号:US20060293541A1

    公开(公告)日:2006-12-28

    申请号:US10573498

    申请日:2004-10-02

    IPC分类号: C07C213/10

    CPC分类号: C07C213/10 C07C215/12

    摘要: Process for separating triethanolamine continuously by distillation from a mixture of monoethanolamine, diethanolamine and triethanolamine together with ethanolamine ethers and water obtained by reaction of ammonia with ethylene oxide in the liquid phase under superatmospheric pressure and at elevated temperature, in which the mixture is distilled in two stages. The low-boiling fraction and the high-boiling fraction are taken off and discharged in the first stage and the intermediate-boiling fraction comprising >99.4% by weight of triethanolamine and

    摘要翻译: 通过蒸馏从单乙醇胺,二乙醇胺和三乙醇胺的混合物中连续分离三乙醇胺的方法以及乙醇胺醚和水,其通过在超大气压和升高的温度下在液相中将氨与环氧乙烷反应而获得,其中将混合物在两 阶段 在第一阶段中将低沸点馏分和高沸点馏分取出并排出,在第二阶段中蒸馏出包含> 99.4重量%的三乙醇胺和<0.2重量%的二乙醇胺的中间沸点馏分。 混合物的蒸馏优选在连接到该塔或在分隔壁塔中的第一塔和第二塔中进行。

    Method for safely preventing backflowing in the conveying of a fluid
    9.
    发明授权
    Method for safely preventing backflowing in the conveying of a fluid 有权
    用于在流体输送中安全防止回流的方法

    公开(公告)号:US09086191B2

    公开(公告)日:2015-07-21

    申请号:US13001467

    申请日:2009-06-16

    IPC分类号: F17D1/08 F17D1/14 F16K15/00

    摘要: A method for reliably avoiding backflow in the transport of a liquid under pressure via a transport pipe (1), in which a shut-off device (2) with differential pressure switching is arranged, into a container (3) which is under pressure and which comprises the liquid to be transported and/or another liquid is proposed, wherein a pressure accumulator (4) which is filled with the liquid to be transported up to a certain level and above the liquid level, in direct contact with the liquid to be transported, with an inert gas is arranged in the transport pipe (1) upstream from the shut-off device (2) in the transport direction, the inert gas being provided in the pressure accumulator (4) under an excess pressure and in an amount relative to the container (3) to be filled which are designed so that, in the case of a drop in the pressure in the transport pipe (1), the inert gas ensures a positive pressure difference in the transport pipe (1) to the container (3) over a period which is at least as long as the reaction time of the shut-off device (2) and the shut-off device (2) has an emptying pipe (6) with emptying valve (7).

    摘要翻译: 一种用于可靠地避免在压力下输送液体的回流的方法,该输送管(1)具有压差切换的切断装置(2),其中所述输送管(1)设置在处于压力下的容器(3)中, 其包括待运输的液体和/或另一种液体,其中填充有待运输的液体达到一定水平并高于液面的压力蓄积器(4)与液体直接接触 在输送方向上从切断装置(2)的上游配置有惰性气体输送的惰性气体,惰性气体在过压压力下设置在蓄压器(4)中, 相对于被填充的容器(3),其被设计成使得在输送管(1)中的压力下降的情况下,惰性气体确保输送管(1)中的正压差 容器(3)至少在一段时间内 只要关闭装置(2)和切断装置(2)的反应时间具有排空阀(7)的排空管(6)。

    Method for the continuous production of an amine
    10.
    发明授权
    Method for the continuous production of an amine 失效
    连续生产胺的方法

    公开(公告)号:US07405327B2

    公开(公告)日:2008-07-29

    申请号:US11596292

    申请日:2005-05-04

    IPC分类号: C07C209/26

    摘要: Process for the continuous preparation of an amine by reaction of a primary or secondary alcohol, aldehyde and/or ketone with hydrogen and a nitrogen compound selected from the group consisting of ammonia, primary and secondary amines at a temperature in the range from 60 to 300° C. in the presence of a copper-containing catalyst, wherein the catalytically active composition of the catalyst prior to reduction with hydrogen comprises from 20 to 85% by weight of aluminum oxide (Al2O3), zirconium dioxide (ZrO2), titanium dioxide (TiO2) and/or silicon dioxide (SiO2), from 1 to 70% by weight of oxygen-containing compounds of copper, calculated as CuO, from 0 to 50% by weight of oxygen-containing compounds of magnesium, calculated as MgO, oxygen-containing compounds of chromium, calculated as Cr2O3, oxygen-containing compounds of zinc, calculated as ZnO, oxygen-containing compounds of barium, calculated as BaO, and/or oxygen-containing compounds of calcium, calculated as CaO, and less than 30% by weight of oxygen-containing compounds of nickel, calculated as NiO, based on the oxygen-containing compounds of copper, calculated as CuO, and the reaction is carried out isothermally in the gas phase in a tube reactor.

    摘要翻译: 通过伯醇或仲醇,醛和/或酮与氢和选自氨,伯胺和仲胺的氮化合物在60至300℃的温度下反应来连续制备胺的方法 在含铜催化剂存在下,其中催化剂在用氢还原之前的催化活性组合物包含20至85重量%的氧化铝(Al 2 O 3 > 3),二氧化锆(ZrO 2),二氧化钛(TiO 2)和/或二氧化硅(SiO 2) ),1至70重量%的以CuO计的铜的含氧化合物,0至50重量%的以MgO计的含氧化合物的镁,含氧化合物的铬,其计算为Cr 以ZnO计算的含氧化合物锌,以BaO表示的含氧化合物的钡,以BaO计算, /或以CaO计的钙的含氧化合物,以NiO计,以CuO计的含铜化合物计,小于30重量%的含氧化合物的镍,反应为 在管式反应器中在气相中等温进行。