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Exploring NH3 Transport Properties by Tailoring Ionic Liquids in Pebax-Based Hybrid Membranes
Yang, Bingbing1,2; Bai, Lu1; Wang, Zhenlei1,3; Jiang, Haiyan1,2; Zeng, Shaojuan1; Zhang, Xiaochun1; Zhang, Xiangping1,2,4
2021-07-07
Source PublicationINDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
ISSN0888-5885
Volume60Issue:26Pages:9570-9577
AbstractAmmonia (NH3) separation and recovery from NH3-containing gases favor resource utilization and ecological protection. Ionic liquids (ILs) are promising alternatives to fabricate polymer-based hybrid membranes with excellent and tunable properties. Herein, [Eim][NTf2] and [Emim][NTf2], with different hydrogen bond donating abilities and viscosities, were used to tailor NH3 transport properties in the membranes for enhancing NH3 separation performance. Poly(ether-block-amide) (Pebax)/[Eim][NTf2] membranes exhibit superior NH3 permeability of 2118.7 Barrer with NH3/N-2 and NH3/H-2 selectivities of 467.0 and 127.2, respectively. NH3 solubility in Pebax/[Eim][NTf2] membranes increases significantly when increasing the IL content, while the solubility in Pebax/[Emim][NTf2] membranes is almost unchanged, mainly because the hydrogen bond interaction between NH3 and [Eim][NTf2] is stronger. NH3 diffusion in Pebax/[Eim][NTf2] membranes decreases when increasing the IL content, while the diffusion in Pebax/[Emim][NTf2] membranes exhibits the reverse trend, corresponding to NH3 diffusion properties in pure ILs. Therefore, NH3 solubility is the more dominant factor in improving NH3 permeability in the membranes.
DOI10.1021/acs.iecr.1c01408
Language英语
WOS KeywordMOLECULAR-DYNAMICS ; HIGHLY EFFICIENT ; PERMEATION ; SEPARATION
Funding ProjectNational Natural Science Foundation of China[21978306] ; National Natural Science Foundation of China[21978293] ; National Natural Science Foundation of China[U1704251] ; Science Fund for Creative Research Groups of the National Natural Science Foundation of China[21921005]
WOS Research AreaEngineering
WOS SubjectEngineering, Chemical
Funding OrganizationNational Natural Science Foundation of China ; Science Fund for Creative Research Groups of the National Natural Science Foundation of China
WOS IDWOS:000672589000024
PublisherAMER CHEMICAL SOC
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/49378
Collection中国科学院过程工程研究所
Corresponding AuthorBai, Lu; Zhang, Xiangping
Affiliation1.Chinese Acad Sci, Inst Proc Engn, Beijing Key Lab Ion Liquids Clean Proc, CAS Key Lab Green Proc & Engn,State Key Lab Multi, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Sch Chem Engn, Beijing 100049, Peoples R China
3.Qingdao Univ, Sch Chem & Chem Engn, Qingdao 266071, Shandong, Peoples R China
4.Zhengzhou Inst Emerging Ind Technol, Zhengzhou 450000, Peoples R China
Recommended Citation
GB/T 7714
Yang, Bingbing,Bai, Lu,Wang, Zhenlei,et al. Exploring NH3 Transport Properties by Tailoring Ionic Liquids in Pebax-Based Hybrid Membranes[J]. INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH,2021,60(26):9570-9577.
APA Yang, Bingbing.,Bai, Lu.,Wang, Zhenlei.,Jiang, Haiyan.,Zeng, Shaojuan.,...&Zhang, Xiangping.(2021).Exploring NH3 Transport Properties by Tailoring Ionic Liquids in Pebax-Based Hybrid Membranes.INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH,60(26),9570-9577.
MLA Yang, Bingbing,et al."Exploring NH3 Transport Properties by Tailoring Ionic Liquids in Pebax-Based Hybrid Membranes".INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH 60.26(2021):9570-9577.
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