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Article: Mass transfer process of CO2 absorption through non-porous hollow fibre contactor

TitleMass transfer process of CO2 absorption through non-porous hollow fibre contactor
Authors
KeywordsCarbon Dioxide
Mechanism Of Mass Transfer
Membrane-Based Absorption
Issue Date2005
PublisherJilin Daxue. The Journal's web site is located at http://www.cjcu.jlu.edu.cn/
Citation
Gaodeng Xuexiao Huaxue Xuebao/Chemical Journal of Chinese Universities, 2005, v. 26 n. 11, p. 2097-2102 How to Cite?
AbstractA 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 × 103 mol/m3 NaOH solution is employed as the absorbent, the overall mass transfer coefficient (5.21 × 10-6 mol·m-2 ·s-1·kPa-1) almost reaches the value of permeation without absorption (5.85 × 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.
Persistent Identifierhttp://hdl.handle.net/10722/90793
ISSN
2015 Impact Factor: 0.791
2015 SCImago Journal Rankings: 0.211

 

DC FieldValueLanguage
dc.contributor.authorSun, C-Gen_HK
dc.contributor.authorCao, Y-Men_HK
dc.contributor.authorZuo, Len_HK
dc.contributor.authorLin, Ben_HK
dc.contributor.authorJie, X-Men_HK
dc.contributor.authorYuan, Qen_HK
dc.date.accessioned2010-09-17T10:08:28Z-
dc.date.available2010-09-17T10:08:28Z-
dc.date.issued2005en_HK
dc.identifier.citationGaodeng Xuexiao Huaxue Xuebao/Chemical Journal of Chinese Universities, 2005, v. 26 n. 11, p. 2097-2102en_HK
dc.identifier.issn0251-0790en_HK
dc.identifier.urihttp://hdl.handle.net/10722/90793-
dc.description.abstractA 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 × 103 mol/m3 NaOH solution is employed as the absorbent, the overall mass transfer coefficient (5.21 × 10-6 mol·m-2 ·s-1·kPa-1) almost reaches the value of permeation without absorption (5.85 × 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.en_HK
dc.languageengen_HK
dc.publisherJilin Daxue. The Journal's web site is located at http://www.cjcu.jlu.edu.cn/en_HK
dc.relation.ispartofGaodeng Xuexiao Huaxue Xuebao/Chemical Journal of Chinese Universitiesen_HK
dc.subjectCarbon Dioxideen_HK
dc.subjectMechanism Of Mass Transferen_HK
dc.subjectMembrane-Based Absorptionen_HK
dc.titleMass transfer process of CO2 absorption through non-porous hollow fibre contactoren_HK
dc.typeArticleen_HK
dc.identifier.emailLin, B:blin@hku.hken_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.scopuseid_2-s2.0-28744446495en_HK
dc.identifier.volume26en_HK
dc.identifier.issue11en_HK
dc.identifier.spage2097en_HK
dc.identifier.epage2102en_HK

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