Production of methylamines
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United States of America Patent
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Nov 18, 1997
Grant Date -
N/A
app pub date -
Sep 12, 1996
filing date -
Sep 14, 1995
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Disclosed is an improvement in a process for catalytic production of methylamines from methanol and NH.sub.3, or methanol, a mixture of methylamines and NH.sub.3, or a mixture of methylamines and NH.sub.3, in a gaseous phase, over a bed of a zeolite catalyst, where the improvement is that the catalyst bed is divided into two or more sub-beds, and the difference between the inlet and outlet temperatures of each catalyst sub-bed is kept in the range of approximately 5.degree. C. to approximately 70.degree. C. while the reaction is carried out.
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