| 氨汽提尿素装置缩二脲超标原因探讨 |
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| 引用本文： | 叶陈,凌辉勋.氨汽提尿素装置缩二脲超标原因探讨[J].广州化工,2011,39(17):97-98,113. |
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| 作者姓名： | 叶陈 凌辉勋 |
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| 作者单位： | 1. 东华工程科技股份有限公司,安徽合肥,230024
2. 中盐安徽红四方股份有限公司,安徽合肥,230022 |
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| 摘 要： | 贵州赤天化氨汽提尿素装置由于长期低负荷运行,造成缩二脲严重超标,为了找到解决办法,结合中盐安徽红四方尿素装置运行情况,总结分析了氨汽提尿素装置里影响缩二脲的主要原因,并针对赤天化尿素装置缩二脲超标问题,提出了建议解决思路。
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| 关 键 词： | 氨汽提 缩二脲 二段真空 |
Reason of Over-standard of Bi in Ammonia Stripping Process |
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| YE Chen,LING Hui-xun.Reason of Over-standard of Bi in Ammonia Stripping Process[J].GuangZhou Chemical Industry and Technology,2011,39(17):97-98,113. |
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| Authors: | YE Chen LING Hui-xun |
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| Affiliation: | 1East China Engineering Science and Technology Co.,Ltd.,Anhui Hefei 230024;2 Anhui Hongsifang Co.,Ltd., CNSG,Anhui Hefei 230022,China) |
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| Abstract: | Guizhou Chitianhua Urea Plant was in underload over a long period,which lead over-standard of Bi concentration.In order to find out the countermeasures,the main reason of affecting Bi in ammonia stripping pracess was analyzed based on the device operation of Hongsifang Urea Plant.Some suggestions were proposed to solve the over-standard of Bi in ChiTianHua Urea Plant. |
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| Keywords: | ammonia stripping process Bi 2nd vocuum system |
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