公开(公告)号：US07408086B2

公开(公告)日：2008-08-05

申请号：US10478475

申请日：2002-05-16

申请人： Dominic Vanoppen ,  Ekkehard Schwab ,  Joern Mueller ,  Ulrich Penzel ,  Gunter Georgi ,  Bernd Weidner ,  Dietrich Tittelbach-Helmrich ,  Juergen Dahlhaus

发明人： Dominic Vanoppen ,  Ekkehard Schwab ,  Joern Mueller ,  Ulrich Penzel ,  Gunter Georgi ,  Bernd Weidner ,  Dietrich Tittelbach-Helmrich ,  Juergen Dahlhaus

IPC分类号： C07C29/36 ,  B01J23/00

CPC分类号： B01J21/066 ,  B01J21/063 ,  B01J23/755 ,  B01J23/78 ,  B01J23/83 ,  B01J35/0013 ,  B01J35/002 ,  B01J35/006 ,  B01J37/03 ,  C07C209/36 ,  C07C211/46 ,  C07C211/47 ,  C07C211/51

摘要： A catalyst comprising nickel on a TiO2 support is obtainable by coprecipitation of nickel and at least one further metal selected from among Si, Zr, Hf, alkaline earth metals, Y, La and Ce, and optionally at least one dopant metal selected from groups 5 to 11 of the Periodic Table of the Elements, from a solution in which the corresponding metal salts are present onto a particulate TiO2 support, subsequent drying, calcination and reduction and optionally passivation to give the nickel-containing catalyst. It is used, in particular, for the hydrogenation of nitroaromatic compounds.

摘要翻译： 包含镍在TiO 2载体上的催化剂可通过镍和至少一种选自Si，Zr，Hf，碱土金属，Y，La和Ce中的至少一种金属的共沉淀和任选在 选自元素周期表第5至11组的至少一种掺杂剂金属，其中相应的金属盐存在于颗粒TiO 2载体上，然后干燥，煅烧和还原， 任选地钝化以得到含镍催化剂。 它特别用于硝基芳族化合物的氢化。

公开(公告)号：US07064237B2

公开(公告)日：2006-06-20

申请号：US10502779

申请日：2003-02-04

申请人： Peter Zehner ,  Joern Mueller

发明人： Peter Zehner ,  Joern Mueller

IPC分类号： C07C209/36

CPC分类号： C07C209/36 ,  C07C211/51

摘要： Amines are prepared by hydrogenation of the corresponding nitroaromatics in a vertical reactor whose length is greater than its diameter and which has in its upper region a downward-directed jet nozzle via which the reaction mixture and, if desired, part of the starting materials are introduced, has an outlet at any point on the reactor via which the reaction mixture is conveyed in an external circuit by means of a transport device back to the jet nozzle and has a flow reversal in its lower region, wherein at least part of the hydrogen and/or nitroaromatic starting materials used is fed into the liquid phase of the reactor in such a way that they travel upward in the liquid phase.

摘要翻译： 胺通过在垂直反应器中氢化相应的硝基芳族化合物制备，该反应器的长度大于其直径，并且在其上部区域中具有向下的喷射喷嘴，通过该喷嘴，反应混合物和（如果需要）引入部分起始材料 在反应器上的任何点具有出口，通过该出口，反应混合物通过输送装置在外部回路中被输送回到喷嘴并且在其下部区域具有流动反向，其中至少部分氢和 /或硝基芳族起始原料以使其在液相中向上行进的方式进料到反应器的液相中。