Process for the phosgenation of amines in the gas phase using microstructure mixers
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United States of America Patent
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May 1, 2001
Grant Date -
N/A
app pub date -
Jan 6, 1999
filing date -
Jan 9, 1998
priority date (Note) -
Expired
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Abstract
A process for rapidly mixing phosgene and an amine in the gas phase to produce the corresponding isocyanate. Micro-structure mixers are used for the rapid mixing. The educts emerge from the micro-structure mixer in the form of thin free jets which mix very rapidly by diffusion and/or turbulence. As a result, the mixing operation is accelerated substantially as compared with conventional reactors. The isocyanate yield is also increased.
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