| 脱硝供氨系统中尿素制氨技术探讨 |
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| 引用本文： | 王福伟,王倩,刘晓明,阿布都拉江·那斯尔,宋名秀,朱维群. 脱硝供氨系统中尿素制氨技术探讨[J]. 现代化工, 2011, 0(3): 63-65,67 |
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| 作者姓名： | 王福伟 王倩 刘晓明 阿布都拉江·那斯尔 宋名秀 朱维群 |
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| 作者单位： | 山东大学化学与化工学院,山东,济南,250100 |
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| 摘 要： | 提出一种尿素制氨新工艺,即将尿素发生缩合或取代反应生成的氨用于选择性催化还原法(SCR)脱硝,副产尿素衍生物,而不生成CO2,从而达到节能减排的目的。对尿素反应得到三聚氰酸的工艺进行了分析,并与目前尿素制氨工艺进行了比较。结果表明,制备三聚氰酸过程中各时间段放出的氨气量基本一致,反应的起动时间在几十分钟内,氨气的响应时间在1m in内。该工艺在工艺条件、经济效益和节能减排方面优于目前的尿素制氨技术。
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| 关 键 词： | 尿素制氨 选择性催化还原法 烟气脱硝 三聚氰酸 |
Technical research on ammonia preparation from urea for denitrification |
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| WANG Fu-wei,WANG Qian,LIU Xiao-ming,Abudulajiang·Nasi'er,SONG Mingiu,ZHU Wei-qun. Technical research on ammonia preparation from urea for denitrification[J]. Modern Chemical Industry, 2011, 0(3): 63-65,67 |
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| Authors: | WANG Fu-wei WANG Qian LIU Xiao-ming Abudulajiang·Nasi'er SONG Mingiu ZHU Wei-qun |
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| Affiliation: | WANG Fu-wei,WANG Qian,LIU Xiao-ming,Abudulajiang·Nasi'er,SONG Ming-xiu,ZHU Wei-qun(School of Chemistry and Chemical Engineering,Shandong University,Jinan 250100,China) |
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| Abstract: | A new ammonia production technology from urea,which is energy saving and environmental friendly,has been developed,ammonia collected in condensation reaction and displacement reaction of urea can be available in denitrification and derivatives is obtained,without CO2 releasing.The reaction of urea preparing cyanuric acid is analyzed in the paper,and a comparison is carried out between the new technology and the one applied today.According to results,the amount of ammonia released at different times is almos... |
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| Keywords: | production of ammonia from urea SCR flue gas denitrification cyanuric acid |
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