Preparation of ammonium carbamate
AssigneeBASF SE
InventorsManfred Dressel, Heinrich Eberle, Willi Ripperger, Wolfgang Ruehenbeck, Werner Zwick
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Abstract
In the preparation of ammonium carbamate by reacting ammonia with carbon dioxide, the reactants are introduced into a layer of ammonium carbamate which is kept in the fluidized state by gaseous ammonia or carbon dioxide. The temperature is kept below 25.degree. C. by removing the heat of reaction.
Claims4
A process for the preparation of ammonium carbamate by reacting ammonia with carbon dioxide, wherein the reactants are introduced into a layer of ammonium carbamate which is kept in the fluidized state by means of gaseous ammonia or carbon dioxide, and the temperature is kept below 25.degree. C. by cooling.
Dependencies are inferred from the claim text.