Research Progress in Non Amine Carbon Dioxide Absorbents
In response to the global climate change issues brought about by carbon dioxide,this article reviews the types of non amine absorbents that can be used to capture carbon dioxide.It is believed that amino acid salts,amino acid potassium carbonate systems,ionic liquids,and biological absorbers have the advantages of high carbon dioxide cycle absorption load,low toxicity,good thermal stability,and low cost,respectively,which can compensate for the shortcomings of amine absorbents in terms of strong corrosiveness,high energy consumption and secondary pollution to the environment during the absorption-desorption process of CO2.Amino acid salts and amino acid potassium carbonate systems can be applied to carbon dioxide capture industries with a certain scale;Ionic liquids can be applied in precise,green,and environmentally friendly carbon dioxide removal industries;Biological absorbents can be used in small-scale and low carbon dioxide concentration industries.The above absorbents all have certain industrial prospects.
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