公开(公告)号：US4212772A

公开(公告)日：1980-07-15

申请号：US31039

申请日：1979-04-18

申请人： Wolf D. Mross ,  Eckart Titzenthaler ,  Matthias Schwarzmann ,  Juergen Koopmann

发明人： Wolf D. Mross ,  Eckart Titzenthaler ,  Matthias Schwarzmann ,  Juergen Koopmann

IPC分类号： B01J23/66 ,  C07D301/10 ,  B01J23/04 ,  B01J23/50

CPC分类号： C07D301/10 ,  B01J23/66

摘要： A novel catalyst for the manufacture of ethylene oxide from ethylene by means of oxygen or air, comprising from 2 to 12% of silver on a conventional carrier, together with from 0.1 to 2 atom% (based on silver) of lithium and from 0.05 to 0.35 atom% of potassium or 0.003 to 0.25 atom% of rubidium or 0.0005 to 0.2 atom% of cesium or mixtures of potassium, rubidium and/or cesium in amounts exhibiting corresponding catalytic activity. The catalyst is advantageously obtained by heating a carrier which is impregnated with a silver complex compound.

摘要翻译： 一种用于通过氧气或空气从乙烯生产环氧乙烷的新型催化剂，其在常规载体上含有2至12％的银，以及0.1至2原子％（基于银）的锂和0.05至 0.35原子％的钾或0.003至0.25原子％的铷或0.0005至0.2原子％的铯或钾，铷和/或铯的混合物，其量具有相应的催化活性。 催化剂有利地通过加热浸渍有银络合物的载体来获得。

公开(公告)号：US4278562A

公开(公告)日：1981-07-14

申请号：US959684

申请日：1978-11-13

申请人： Wolf D. Mross ,  Eckart Titzenthaler ,  Juergen Koopmann ,  Matthias Schwarzmann ,  Volker Vogt

发明人： Wolf D. Mross ,  Eckart Titzenthaler ,  Juergen Koopmann ,  Matthias Schwarzmann ,  Volker Vogt

IPC分类号： B01J23/66 ,  B01J23/78 ,  B01J31/22 ,  C07B61/00 ,  C07D301/10 ,  C07D303/04 ,  B01J31/02 ,  B01J23/50 ,  B01J23/96

CPC分类号： C07D301/10 ,  B01J23/66 ,  Y02P20/52 ,  Y10S502/514

摘要： A catalyst for the manufacture of ethylene oxide, giving improved yield and having a long life, based on an alkali metal-modified silver catalyst on an oxide carrier is obtained by providing the silver-containing catalyst, in the reduced state, with the alkali metal by applying an alcoholic alkali metal salt solution which also contains an organic oxygen compound or nitrogen compound which forms complexes with silver ions.

摘要翻译： 通过提供还原状态的含银催化剂与碱金属来制备用于制备氧化乙烯的催化剂，其提供基于氧化物载体上的碱金属改性的银催化剂提高产率并且具有长寿命的催化剂 通过应用还含有与银离子形成络合物的有机氧化合物或氮化合物的醇类碱金属盐溶液。

公开(公告)号：US4324699A

公开(公告)日：1982-04-13

申请号：US115732

申请日：1980-01-28

申请人： Wolf D. Mross ,  Eckart Titzenthaler ,  Juergen Koopmann ,  Volker Vogt ,  Matthias Schwarzmann

发明人： Wolf D. Mross ,  Eckart Titzenthaler ,  Juergen Koopmann ,  Volker Vogt ,  Matthias Schwarzmann

IPC分类号： B01J23/66 ,  B01J23/96 ,  B01J38/48 ,  C07B61/00 ,  C07D301/10 ,  B01J21/04 ,  B01J23/04 ,  B01J23/50

CPC分类号： B01J23/66 ,  B01J23/96 ,  B01J38/485 ,  C07D301/10 ,  Y02P20/52 ,  Y02P20/584

摘要： Supported catalysts containing silver and alkali metals, for the preparation of ethylene oxide from ethylene and oxygen in the gas phase, are prepared or regenerated by modifying, respectively, a new or spent supported catalyst which already contains metallic silver and may or may not contain the light alkali metals lithium and/or sodium and, where a spent catalyst is concerned, also contains the heavy alkali metals potassium, rubidium and/or cesium, with a solution containing the heavy alkali metals, the modifier solution used containing(a) a surfactant and/or a reducing agent, in the case of the preparation of a new catalyst or(b) a surfactant, in the case of the regeneration of a spent catalyst.

摘要翻译： 含有银和碱金属的载体催化剂，用于从气相中的乙烯和氧气制备环氧乙烷，分别通过修饰已经含有金属银的新的或废弃的载体催化剂来制备或再生，并且可以含有或不含有 轻质碱金属锂和/或钠，并且在涉及废催化剂的情况下，还含有重碱金属钾，铷和/或铯与含有重碱金属的溶液，所用改性剂溶液含有（a）表面活性剂 和/或还原剂，在制备新催化剂的情况下，或（b）表面活性剂，在废催化剂再生的情况下。