1930 Clark Thermal Requirements and Operating Characteristics of the Urea Autoclave

The thermal requirements of, and the temperature distributions within, the autoclave used for the direct synthesis of urea from liquid ammonia and liquid carbon dioxide have been determined under both operative and non-operative conditions. The over-all autoclave reaction has been shown definitely to be exothermic for 35 to 40 per cent conversion of the reactants. Data are given for the corrosion resistance of a number of metals under operative conditions.

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