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基于离子液体的合成氨驰放气中氨回收工艺模拟计算
Authors
任保增
姚月华
+5 more
张香平
王蕾
田肖
董海峰
陈晏杰
Publication date
1 January 2011
Publisher
Abstract
设计并模拟优化了以[C4mim]BF4离子液体为吸收剂的吸收与多级闪蒸回收氨的工艺,采用NRTL活度系数模型对氨和甲烷在[C4mim]BF4中的气液平衡数据进行拟合,结果表明,该模型能很好地关联和预测含离子液体的二元体系气液平衡.应用AspenPlus软件灵敏度分析模块,对吸收剂流量、温度进行了灵敏度分析和优化,结果表明,增大流量和降低温度有利于[C4mim]BF4对氨的吸收,优化操作条件为流量2000kg/h、温度30℃.该回收工艺净化气和再生气中氨摩尔浓度分别为32.4×10-6和95.2%,满足设计要求,标准煤耗预计为940kg/t,比传统工艺节能200kg/t
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Institutional Repository of Institute of Process Engineering, CAS (IPE-IR)
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Last time updated on 09/11/2016
Institutional Repository of Institute of Process Engineering, CAS (IPE-IR)
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oai:ir.ipe.ac.cn:122111/36921
Last time updated on 05/12/2019
Institutional Repository of Institute of Process Engineering, CAS (IPE-IR)
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oai:ir.ipe.ac.cn:122111/47217
Last time updated on 11/04/2021