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题名: Numerical investigation on CO2 absorbed in aqueous N-methyldiethanolamine plus piperazine
作者: Huang, Jicai1, 2;  Gong, Maoqiong1;  Sun, Zhaohu1;  Dong, Xueqiang1;  Shen, Jun1;  Wu, Jianfeng1
关键词: chemical absorption ;  computational fluid dynamics ;  carbon dioxide ;  N-methyldiethanolamine ;  piperazine
刊名: AICHE JOURNAL
发表日期: 2017-06-01
DOI: 10.1002/aic.15590
卷: 63, 期:6, 页:2386-2393
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Technology
类目[WOS]: Engineering, Chemical
研究领域[WOS]: Engineering
英文摘要: A multiphase and multicomponent mass transfer model of CO2 absorbed in aqueous N-methyldiethanolamine and piperazine (PZ) was built in the study. In the model, a simple method of mass transfer between phases was proposed. Besides, the hydrodynamics, thermodynamics, and complex reversible chemical reaction were considered simultaneously. The model was validated by comparing with the previous experimental data which showed that simulated results can represent the experimental data with reasonable accuracy. Based on the model, the effects of gas velocity, liquid load and CO2 loading on the absorption rate, and enhancement factor were analyzed. Model results showed that the enhancement factor increased with a rising gas velocity while decreased with a rising liquid load or CO2 loading. The change of enhancement factor with CO2 loading was similar to that of equilibrium concentration of PZ which indicated that PZ was significant to the absorption process. Furthermore, the distributions of specie concentrations were discussed in detail. (c) 2016 American Institute of Chemical Engineers AIChE J, 63: 2386-2393, 2017
关键词[WOS]: INSTANTANEOUS CHEMICAL-REACTION ;  LAMINAR FALLING FILM ;  PHASE MASS-TRANSFER ;  GAS LOADING REGION ;  CARBON-DIOXIDE ;  ENHANCEMENT FACTORS ;  ABSORPTION ;  LIQUID ;  SOLUBILITY ;  FLOW
语种: 英语
WOS记录号: WOS:000400658400051
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/151971
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Tech Inst Phys & Chem, Key Lab Cryogen, Beijing 100190, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, Div Fuel Cell & Battery, Dalian Natl Lab Clean Energy, Dalian 116023, Peoples R China

Recommended Citation:
Huang, Jicai,Gong, Maoqiong,Sun, Zhaohu,et al. Numerical investigation on CO2 absorbed in aqueous N-methyldiethanolamine plus piperazine[J]. AICHE JOURNAL,2017,63(6):2386-2393.
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