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Mass transfer process of CO2 absorption through non-porous hollow fibre contactor
Sun, CG; Cao, YM; Zuo, L; Lin, B; Jie, XM; Yuan, Q
关键词Membrane-based Absorption Carbon Dioxide Mechamism Of Mass Transfer
刊名CHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE
2005-11-10
26期:11页:2097-2102
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Physical Sciences
类目[WOS]Chemistry, Multidisciplinary
研究领域[WOS]Chemistry
关键词[WOS]MEMBRANE MODULES ; GAS-ABSORPTION ; CARBON-DIOXIDE ; LIQUID ; PERMEATION ; REDUCTION
英文摘要A non-porous hollow fiber contactor containing silicone rubber-polysulphone hollow fiber composite membranes is used for the absorption of CO2. The effects of various absorbents, liquid volumetric velocity, liquid pressure, concentration of NaOH solution and gas pressure on the efficiency of CO2 absorption are investigated. The experiment results indicate that the chemical absorption has a higher absorption efficiency than the physical absorption does and the membrane resistance controls the mass transfer accompanied by chemical absorption. Furthermore, when 2 x 10(3) mol/m(3) NaOH solution is employed as the absorbent, the overall mass transfer coefficient(5.21 X 10(-6) Mol (.) m(-2) (.) s(-1) (.) kPa(-1)) almost reaches the value of permeation without absorption(5.85 X 10(-6) Mol (.) m(-2 .) s(-1) (.) kPa(-1)) and non-porous hollow fiber contactor has a higher selectivity for the existence of liquid film. Finally, the smooth mass transfer process shows that non-porous hollow fiber composite membrane eliminates bubbling and weeping in the liquid phase, which are frequently encountered in microporous hollow fiber contactor. Therefore, non-porous hollow fiber contactor used in this experiment has a potential for using as a gas-liquid contactor.
语种英语
WOS记录号WOS:000233392400029
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被引频次:6[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/139791
专题中国科学院大连化学物理研究所
作者单位1.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Peoples R China
2.Engn Design & Res Inst Second Artillery, Beijing 100011, Peoples R China
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GB/T 7714
Sun, CG,Cao, YM,Zuo, L,et al. Mass transfer process of CO2 absorption through non-porous hollow fibre contactor[J]. CHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE,2005,26(11):2097-2102.
APA Sun, CG,Cao, YM,Zuo, L,Lin, B,Jie, XM,&Yuan, Q.(2005).Mass transfer process of CO2 absorption through non-porous hollow fibre contactor.CHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE,26(11),2097-2102.
MLA Sun, CG,et al."Mass transfer process of CO2 absorption through non-porous hollow fibre contactor".CHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE 26.11(2005):2097-2102.
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