Process for the preparation of urea

Details Process for the preparation of urea Process for the preparation of urea

C - Chemistry, Metallurgy

07

C

C07C 273/04 (2006.01)

Patent

CA 2388887

Process for the preparation of urea from ammonia and carbon dioxide in which the composition of the various process streams is measured via an ultrasonic measuring principle and in which the results of these measurements are used for process control. The process is particularly suitable for continuous measurements in a urea process.

La présente invention concerne un processus de préparation d'urée à partir d'ammoniac et de dioxyde de carbone dans lequel la composition des divers flux du processus est mesurée via un principe de mesure par ultrasons et dans lequel les résultats de ces mesures sont utilisés pour contrôler ce processus. Ce processus convient particulièrement pour des mesures en continu dans un processus de préparation d'urée.

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