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联产超细碳酸钙的尿素合成新工艺
引用本文:颜鑫,王佩良,刘跃进. 联产超细碳酸钙的尿素合成新工艺[J]. 化工生产与技术, 2003, 10(3): 8-10
作者姓名:颜鑫  王佩良  刘跃进
作者单位:1. 湘潭大学化工学院,湖南湘潭,410005
2. 湖南大乘资氮集团有限公司,湖南冷水江,417506
摘    要:以尿素生产过程的未反应气为碳化气,采用连续鼓泡碳化法联产超细碳酸钙,使传统的氮肥工业与新兴的纳米产业实现联合生产,这对提高尿素转化率、简化尿素生产流程、降低能耗,同时联产高附加值的超细碳酸钙,具有广阔的应用前景。

关 键 词:超细碳酸钙 尿素 合成工艺 碳化气 连续鼓泡碳化法 联产技术 未反应气

Study on New Urea Synthesis Process in Co-production of Superfine Calcium Carbonate
Yan Xin,Wang Peiliang,Liu Yuejin. Study on New Urea Synthesis Process in Co-production of Superfine Calcium Carbonate[J]. Chemical Production and Technology, 2003, 10(3): 8-10
Authors:Yan Xin  Wang Peiliang  Liu Yuejin
Affiliation:Yan Xin1,Wang Peiliang2,Liu Yuejin1
Abstract:Unreacted gas from the urea production process is used as a carbonizing gas to co produce superfine calcium carbonate by continuous bubbling carbonation.Thus,production of traditional nitrogen fertilizer can be combined with modern nanometer technology.It has a broad prospect in improvement of urea conversion,simplification of production process reduction of capacity consumption and co production of high additional value superfine calcium carbonate.
Keywords:superfine calcium carbonate  urea synthesis  co production  unreacted gas  
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