Theoretical and Experimental Investigation on Ratio of Feed Stock for the Production of Percarbamide via Moist Method Wang Hongxian, Ren Baozeng*#, Liu Ying##, Zhao Hongkun## (Department of Chemistry, Nantong Normal Institute, Jiangsu Nantong 226007 # Institute of Chemical Engineering, Zhengzhou University, Zhengzhou 450002 ## Department of Chemistry,Shangqiu Normal Institute, He’nan Shangqiu 476000) Abstract Based on ternary phasediagram of urea-hydrogen peroxide-water at 10° C, the dependence of ratio of feed stock and yield to hydrogen peroxide for the production of percarbamide via moist method was investigated. The optimum ratio of feed stock was from 1.242 to 1.396 and the corresponding mass of percarbamide was 0.178kg and yield to hydrogen peroxide was 21.5%. Experiment was carried out in a batch reactor, the experimental result was consistent with that of theoretical analysis. Key words Percarbamide, Hydrogen peroxide, Urea, Ratio of feed stock 湿法生产过碳酰胺原料配比的理论分析和实验研究 王鸿显 任保增*# 刘瑛## 赵红坤## (南通师范学院化学系 江苏南通 226007 #郑州大学化工学院 郑州 450002 ##商丘师范学院化学系 河南商丘 476000） 摘要 以 10° C 下尿素-过氧化氢－水三元相图为基础，对湿法生产过碳酰胺过程中的原料配比（尿素饱和溶液质量/双氧水质量）对产品质量和过氧化氢收率进行了研究，确定了最佳原料配比为 1.242～1.396，此时过碳酰胺的析出量为 0.178kg，过氧化氢的收率为 21.5%。在间歇反应器中进行了试验验证，其结果与理论分析是一致的。 关键词 过碳酰胺 尿素 过氧化氢 最佳原料配比 王鸿显 男，46岁，教授，主要从事无机化学和无机化工的教学和科研工作。 *联系人 2002-04-08收稿，2002-05-31修回 (PDF全文下载c02097)