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    • 8. 发明专利
    • Method for synthesizing urea by using artificial zeolite
    • 通过使用人造沸石合成尿素的方法
    • JP2008094757A
    • 2008-04-24
    • JP2006278276
    • 2006-10-12
    • Yukio KawakamiEtsuro SakagamiHisayo Sakagamiヒサヨ 坂上越朗 坂上行雄 川上
    • KAWAKAMI YUKIOSAKAGAMI ETSUROSAKAGAMI HISAYO
    • C07C273/02B09B3/00C01B39/02C07B61/00C07C275/00
    • PROBLEM TO BE SOLVED: To provide a method for producing urea from an artificial zeolite by effectively utilizing carbon dioxide generated by a large scale consumption of fossil fuel and becoming a cause of global warming.
      SOLUTION: This method for synthesizing the urea is provided by comprising an ammonia type artificial zeolite production process C of forming the ammonia type artificial zeolite by immersing a sodium type or potassium type artificial zeolite in an aqueous solution of ammonium chloride and a urea-synthesizing process D of reacting the ammonia type artificial zeolite with carbon dioxide. The urea-synthesizing process D is provided by putting the ammonia type artificial zeolite with carbon dioxide in a high temperature pressurized oven (an autoclave) at 100 to 150°C and 15 to 25 MPa pressure, to synthesize urea.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供一种通过有效地利用大量消耗化石燃料产生的二氧化碳并成为全球变暖的原因从人造沸石生产尿素的方法。 解决方案:用于合成尿素的方法通过包括通过将钠型或钾型人造沸石浸入氯化铵水溶液和尿素中形成氨型人造沸石的氨型人造沸石制备方法C来提供 使氨型人造沸石与二氧化碳反应的合成方法D。 通过将氨型人造沸石与二氧化碳置于100〜150℃,压力为15〜25MPa的高温加压炉(高压釜)中,合成尿素来提供尿素合成工序D. 版权所有(C)2008,JPO&INPIT