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公开(公告)号:US5183797A
公开(公告)日:1993-02-02
申请号:US789217
申请日:1991-11-07
申请人: Michael T. Holbrook , Lawrence A. Hebert , Stephen W. Najmy , Ernest F. Stine, Jr. , Reimer Hasche
发明人: Michael T. Holbrook , Lawrence A. Hebert , Stephen W. Najmy , Ernest F. Stine, Jr. , Reimer Hasche
IPC分类号: B01J27/10 , B01J27/138 , C07C17/16
CPC分类号: B01J27/138 , B01J27/10 , C07C17/16
摘要: A process for hydrohalogenating methanol with a hydrogen halide using a catalyst having an initial zone of lower activity and subsequent zones of higher activity so that coke formation and pressure drop are decreased and catalyst life is increased while overall high catalyst activity is maintained. One example of such a process uses a low surface area amorphous alumina in an initial zone and then progressively higher surface area alumina in subsequent zones.
摘要翻译: 使用具有较低活性的初始区域的催化剂和随后的活性较高的区域的卤化氢氢卤化甲醇的方法,使得焦炭形成和压降降低,并且催化剂寿命增加,同时保持总的高催化剂活性。 这种方法的一个实例在初始区域中使用低表面积无定形氧化铝,然后在随后的区域中逐渐变高的表面积氧化铝。
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公开(公告)号:US5109138A
公开(公告)日:1992-04-28
申请号:US699530
申请日:1991-05-14
申请人: Michael T. Holbrook , Lawrence A. Hebert , Stephen W. Najmy , Ernest F. Stine, Jr. , Reimer Hasche
发明人: Michael T. Holbrook , Lawrence A. Hebert , Stephen W. Najmy , Ernest F. Stine, Jr. , Reimer Hasche
IPC分类号: B01J27/10 , B01J27/138 , C07C17/16
CPC分类号: B01J27/138 , B01J27/10 , C07C17/16
摘要: A process for hydrohalogenating methanol with a hydrogen halide using a catalyst having an initial zone of lower activity and subsequent zones of higher activity so that coke formation and pressure drop are decreased and catalyst life is increased while overall high catalyst activity is maintained. One example of such a process uses a low surface area amorphous alumina in an initial zone and then progressively higher surface area alumina in subsequent zones.
摘要翻译: 使用具有较低活性的初始区域的催化剂和随后的活性较高的区域的卤化氢氢卤化甲醇的方法,使得焦炭形成和压降降低,并且催化剂寿命增加,同时保持总的高催化剂活性。 这种方法的一个实例在初始区域中使用低表面积无定形氧化铝,然后在随后的区域中逐渐变高的表面积氧化铝。
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