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0 前 言六七年前,在华东理工大学辅导石化总公司工程硕士研究生期间,不时有研究生向我提出以下问题:尿素合成的高效塔板采用什么型式为好?安装几块塔板为佳?传统法安装高效塔板后可否使转化率提高至70%以上?传统法和汽提法如何融合UTI的等温合成技术?等等。诸如此类的问题一
0 Preface Six or seven years ago, at East China University of Science and Technology Guiding Petrochemical Corporation master of engineering during the graduate students from time to time to ask the following questions: What type of high-efficiency urea synthesis is better? Install a few trays is better? Traditional After the installation of efficient trays, can the conversion rate be raised to more than 70%? How can the traditional and stripping methods integrate the isothermal synthesis technology of UTI? One such issue