Process and apparatus for the production of phosgene

Details Process and apparatus for the production of phosgene Process and apparatus for the production of phosgene

2005-08-25

2008-10-28

Zucker, Paul A (Department: 1621)

Organic compounds -- part of the class 532-570 series

Organic compounds

Carboxylic halides

Reexamination Certificate

active

07442835

ABSTRACT:
The invention relates to a process for the production of phosgene, in which chlorine and carbon monoxide are reacted in the presence of an activated charcoal catalyst in a shell-and-tube reactor which contains a plurality of reaction tubes and a coolant space surrounding the reaction tubes, in whicha) cooling of the reaction tubes is from the outside through the coolant space with water by evaporative cooling, andb) operation of the reaction tubes is at a pressure above the pressure in the coolant space.

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patent: 4231959 (1980-11-01), Obrecht
patent: 4764308 (1988-08-01), Sauer et al.
patent: 6054612 (2000-04-01), Cicha et al.
patent: 2005/0118068 (2005-06-01), Olbert et al.
patent: 0003530 (1982-05-01), None
patent: 583477 (1946-12-01), None
Wikipedia at “http://en.wikipedia.org/wiki/Reboiler”, Aug. 10, 2007, pp. 1-3.

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