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Efficient and reversible absorption of ammonia by cobalt ionic liquids through Lewis acid-base and cooperative hydrogen bond interactions
Zeng, Shaojuan1; Liu, Lei2; Shang, Dawei1,3; Feng, Jianpeng1; Dong, Haifeng1; Xu, Qiuxia1; Zhang, Xiangping1,3; Zhang, Suojiang1
2018-05-07
Source PublicationGREEN CHEMISTRY
ISSN1463-9262
Volume20Issue:9Pages:2075-2083
Abstract

Ammonia (NH3) emissions have caused a wide range of environmental problems and serious harm to human health. However, efficiently separating NH3 and simultaneously recovering high purity NH3 easily remains a great challenge. A new strategy to design transition metal ionic liquids (MILs) by combining specific metal centers and ligands with ILs was proposed for efficient and reversible absorption of NH3. Not only exceptional NH3 absorption capacity and high NH3/CO2 selectivity, but also excellent recyclability were achieved by cobalt ILs [C(n)mim](2)[Co(NCS)(4)]. The maximal capacity of NH3 is up to 6.09 mol NH3 mol IL-1 at 30 degrees C and 0.10 MPa, which is much higher than all reported ILs to date, and is over 30 times higher than the conventional ILs [C(n)mim][SCN]. The superior NH3 capacity and desorption performance originate from the moderate Lewis acid-base and cooperative hydrogen bond interactions between the metal center-ligands and NH3.

SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.1039/c8gc00215k
Indexed BySCI
Language英语
WOS KeywordSo2 Capture ; Basis-sets ; Highly Efficient ; Low-viscosity ; Co2 Capture ; Adsorption ; Carbon ; Environment ; Conversion ; Framework
WOS Research AreaChemistry ; Science & Technology - Other Topics
WOS SubjectChemistry, Multidisciplinary ; Green & Sustainable Science & Technology
Funding OrganizationNational Natural Science Foundation of China(21425625 ; Beijing Municipal Natural Science Foundation(2182071) ; Beijing Hundreds of Leading Talents Training Project of Science and Technology(Z171100001117154) ; U1662122 ; 21506219 ; 21776277)
WOS IDWOS:000432203600017
Citation statistics
Cited Times:7[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/24427
Collection多相复杂系统国家重点实验室
Affiliation1.Chinese Acad Sci, Beijing Key Lab Ion Liquids Clean Proc, State Key Lab Multiphase Complex Syst, Key Lab Green Proc & Engn,Inst Proc Engn, Beijing 100190, Peoples R China
2.Univ Bonn, Mulliken Ctr Theoret Chem, Inst Phys & Theoret Chem, Beringstr 4, D-53115 Bonn, Germany
3.Univ Chinese Acad Sci, Coll Chem & Engn, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Zeng, Shaojuan,Liu, Lei,Shang, Dawei,et al. Efficient and reversible absorption of ammonia by cobalt ionic liquids through Lewis acid-base and cooperative hydrogen bond interactions[J]. GREEN CHEMISTRY,2018,20(9):2075-2083.
APA Zeng, Shaojuan.,Liu, Lei.,Shang, Dawei.,Feng, Jianpeng.,Dong, Haifeng.,...&Zhang, Suojiang.(2018).Efficient and reversible absorption of ammonia by cobalt ionic liquids through Lewis acid-base and cooperative hydrogen bond interactions.GREEN CHEMISTRY,20(9),2075-2083.
MLA Zeng, Shaojuan,et al."Efficient and reversible absorption of ammonia by cobalt ionic liquids through Lewis acid-base and cooperative hydrogen bond interactions".GREEN CHEMISTRY 20.9(2018):2075-2083.
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