公开(公告)号：US08629079B2

公开(公告)日：2014-01-14

申请号：US13446379

申请日：2012-04-13

Applicant: Tobias Rosendahl ,  Torsten Mäurer ,  Cornelia Katharina Dobner ,  Thomas Geiger ,  Achim Gritsch

Inventor： Tobias Rosendahl ,  Torsten Mäurer ,  Cornelia Katharina Dobner ,  Thomas Geiger ,  Achim Gritsch

IPC: B01J23/48

CPC classification number: C07D301/10 ,  B01J23/50 ,  B01J23/6567 ,  B01J27/055 ,  B01J35/026 ,  B01J37/0201 ,  B01J37/08

Abstract: The invention relates to a process for producing a catalyst for the oxidation of ethylene to ethylene oxide, which comprises a) providing a support which comprises alumina and has been impregnated with silver or with a silver-comprising compound and has a temperature T0; and b) heating the impregnated support from the temperature T0 to a temperature T1 at a heating rate of at least 30 K/min, and also the catalyst itself which can be obtained by this process.

Abstract translation: 本发明涉及一种生产用于将乙烯氧化成环氧乙烷的催化剂的方法，其包括：a）提供包含氧化铝并已经用银或含有银的化合物浸渍并具有温度T0的载体; 和b）将浸渍的载体从温度T0加热到温度T1，加热速率至少为30K / min，还可以通过该方法获得催化剂本身。

公开(公告)号：US20120264954A1

公开(公告)日：2012-10-18

申请号：US13446197

申请日：2012-04-13

Applicant: Tobias Rosendahl ,  Torsten Mäurer ,  Cornelia Katharina Dobner

Inventor： Tobias Rosendahl ,  Torsten Mäurer ,  Cornelia Katharina Dobner

IPC: C07D301/10 ,  B01J27/02 ,  B01J21/04

CPC classification number: C07D301/10 ,  B01J21/04 ,  B01J23/688 ,  B01J35/023 ,  B01J35/04 ,  B01J35/1009 ,  B01J35/1066 ,  B01J35/1076 ,  B01J35/109 ,  B01J37/0201 ,  B01J37/0213 ,  Y02P20/52

Abstract: The present invention relates to a shaped catalyst body for preparing ethylene oxide, which comprises at least silver and rhenium applied to an alumina support, and also to a process for producing it, wherein the alumina support has the geometry of a hollow cylinder and the shaped catalyst body has a rhenium content CR and CR/ppm by weight, based on the wall thickness of the hollow cylinder dW in mm, and calculated as element, in the range 120≦CR/dW≦200.

Abstract translation: 本发明涉及一种用于制备环氧乙烷的成型催化剂体，其至少包含银和铼施加到氧化铝载体上，还涉及其制备方法，其中氧化铝载体具有中空圆柱体的几何形状，并且成形 催化剂体的铼含量CR和CR / ppm（以空心圆筒dW的壁厚为单位，mm），以元素计算，范围为120＆lt; lE; CR / dW＆nlE; 200。

公开(公告)号：US20110313192A1

公开(公告)日：2011-12-22

申请号：US13163928

申请日：2011-06-20

Applicant: Tobias ROSENDAHL ,  Torsten Mäurer ,  Eckhard Stroefer ,  Axel Franzke

Inventor： Tobias ROSENDAHL ,  Torsten Mäurer ,  Eckhard Stroefer ,  Axel Franzke

IPC: C07C263/04

CPC classification number: C07C263/04 ,  C07C265/14

Abstract: Proposed is a process for preparing isocyanates by dissociating the corresponding carbamates, which comprises dissociating the carbamates in the presence of a heterogeneous Lewis-acidic catalyst.

Abstract translation: 提出了通过解离相应的氨基甲酸酯来制备异氰酸酯的方法，其包括在异质路易斯酸性催化剂存在下使氨基甲酸酯解离。