Method for producing prussic acid

Details Method for producing prussic acid Method for producing prussic acid

2007-08-28

2010-12-14

Vanoy, Timothy C (Department: 1793)

Chemistry of inorganic compounds

Nitrogen or compound thereof

Carbon containing

C423S373000

Reexamination Certificate

active

07850939

ABSTRACT:
Process for preparing hydrocyanic acid, which comprises catalytic dehydration of gaseous formamide to give a product mixture comprising hydrocyanic acid, water, formamide, ammonia, CO and high boilers, separation of the product mixture by condensation of a condensate comprising water, formamide, high boilers and possibly ammonia and hydrocyanic acid from the product mixture obtained and partial or total recirculation of the condensate into a heat exchanger located downstream of the reactor.

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