Process for the rapid cooling of gases which contain caprolactam

Details Process for the rapid cooling of gases which contain caprolactam Process for the rapid cooling of gases which contain caprolactam

1980-04-09

1981-05-12

Bond, Robert T.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07D20116

Patent

active

042671051

ABSTRACT:
A process for rapidly cooling gases which contain caprolactam vapor and which have been obtained by catalytic rearrangement of cyclohexanone-oxime in the gas phase in the presence of a supported catalyst containing boric acid, wherein a finely divided coolant at from 90.degree. to 200.degree. C. is fed into a cooling zone from above, gases which are at 330.degree.-400.degree. C. and contain caprolactam vapor are introduced radially at high speed through nozzle orifices over the downstream portion of the cooling zone, and are cooled to 100.degree.-200.degree. C. by thorough mixing with the finely divided coolant, and the cooled mixture is discharged.

REFERENCES:
patent: 3154539 (1964-10-01), Irnich
patent: 3210338 (1965-10-01), Huber et al.
patent: 3350393 (1967-10-01), Petri et al.

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