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High-purity urea solution manufacturing system for vehicle, has crystallization kettle whose upper part is equipped with heating device and stirring device, and distillation water storage tank connected with urea solution manufacturing tank. 专利
申请日期: 2016-01-01, 公开日期: 2016-05-18
作者:  HE G JIANG X LI P LI X LU D REN J
收藏  |  浏览/下载:7/0  |  提交时间:2019/12/09
Reducing biuret content in industrial urea involves adding industrial urea as raw material and anhydrous methanol or ethanol as extracting agent and then extracting obtained material. 专利
申请日期: 2016-01-01, 公开日期: 2016-01-13
作者:  HE G ZHANG X CUI Y LI Z
收藏  |  浏览/下载:2/0  |  提交时间:2019/12/09


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