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Procedure for the obtaining of crystallized urea with a low content of biuret. (Machine-translation by Google Translate, not legally binding)
Procedure for the obtaining of crystallized urea with a low content of biuret. (Machine-translation by Google Translate, not legally binding)
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机译：获得缩二脲含量低的结晶尿素的方法。 （通过Google翻译进行机器翻译，没有法律约束力）
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摘要
Procedure for obtaining crystallized urea with a low biuret content, characterized in that the biuret present in the solution with urea is transformed into urea by the action of practically pure gaseous ammonia, injected countercurrently at a temperature between 170 and 220ºC and at a pressure between 50 and 300 kg/cm2 in the carbamate decomposer, simultaneously with the decomposition of the carbamate itself from the synthesis zone. (Machine-translation by Google Translate, not legally binding)
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机译：获得低缩二脲含量的结晶尿素的方法，其特征在于，存在于尿素溶液中的缩二脲通过几乎纯的气态氨的作用转化为尿素，并在170至220ºC的温度和50之间的压力下逆流注入在氨基甲酸酯分解剂中加入300kg / cm 2，同时氨基甲酸酯本身从合成区分解。 （通过Google翻译进行机器翻译，没有法律约束力）
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