Absorption of Sulfur Dioxide by Tetraglyme–Sodium Salt Ionic Liquid

A series of tetraglyme–sodium salt ionic liquids have been prepared and found to be promising solvents to absorb SO(2). The experiments here show that [Na–tetraglyme][SCN] ionic liquid has excellent thermal stability and a 30% increase in SO(2) absorption capacity compared to other sodium salt ionic...

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Detalles Bibliográficos
Autores principales: Xu, Qiang, Jiang, Wei, Xiao, Jianbai, Wei, Xionghui
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2019
Materias:
Article
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6384689/
https://www.ncbi.nlm.nih.gov/pubmed/30691089
http://dx.doi.org/10.3390/molecules24030436
Descripción
Sumario:A series of tetraglyme–sodium salt ionic liquids have been prepared and found to be promising solvents to absorb SO(2). The experiments here show that [Na–tetraglyme][SCN] ionic liquid has excellent thermal stability and a 30% increase in SO(2) absorption capacity compared to other sodium salt ionic liquids and the previously studied lithium salt ionic liquids in terms of molar absorption capacity. The interaction between SO(2) and the ionic liquid was concluded to be physical absorption by IR and NMR.

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