ScholarLens Back to search
2017•Energy ProcediaOpen access

Chemical Conversion of CO2: Evaluation of Different Ionic Liquids as Catalysts in Dimethyl Carbonate Synthesis

Michele O. Vieira, Aline S. Aquino, Marta K. Schütz, Felipe Dalla Vecchia, Rosane Angélica Ligabue, Marcus Seferin, Sandra Einloft

Open full text 27 citations

Abstract

Dimethyl carbonate (DMC) synthesis from methanol and CO2was investigated using ionic liquids (ILs) as catalysts. ILs based on 1-alkyl-3-methyl imidazolium and N-alkylpyridine cations and [Cl−], [BF4−], [PF6−], [Tf2N−] anions were used in this study. Selectivity in DMC increased in the anion order: [Tf2N−] < [PF6−] < [Cl−] < [BF4−], following the same behavior for both cations. Methanol conversion was similar for all tested ILs. The best result for DMC selectivity (83%) was obtained when [emim][BF4] was used as catalyst. After 5 recycling tests, a loss of 8.5% in the catalyst activity was observed for [bmim][BF4].

Open-access reader

About this research paper

What this paper is about

Dimethyl carbonate (DMC) synthesis from methanol and CO2was investigated using ionic liquids (ILs) as catalysts. ILs based on 1-alkyl-3-methyl imidazolium and N-alkylpyridine cations and [Cl−], [BF4−], [PF6−], [Tf2N−] anions were used in this study. Selectivity in DMC increased in the anion order: [Tf2N−] < [PF6−] < [Cl−] < [BF4−], following the same behavior for both cations. Methanol conversion was similar for all tested ILs. The best result for DMC selectivity (83%) was obtained when [emim][BF4] was used as catalyst. After 5 recycling tests, a loss of 8.5% in the catalyst activity was observed for [bmim][BF4].

Why it matters

OpenAlex reports 27 citations for this work. Citation counts describe recorded attention and do not establish research quality.

Key contribution

A contribution statement is not available in the OpenAlex record.

Method / approach

Method details are not available in the OpenAlex metadata.

Main findings

Findings are not separately available in the OpenAlex metadata.

Limitations

Limitations are not available in the OpenAlex metadata.

Applications

Application details are not available in the OpenAlex metadata.

Available abstract

Dimethyl carbonate (DMC) synthesis from methanol and CO2was investigated using ionic liquids (ILs) as catalysts. ILs based on 1-alkyl-3-methyl imidazolium and N-alkylpyridine cations and [Cl−], [BF4−], [PF6−], [Tf2N−] anions were used in this study. Selectivity in DMC increased in the anion order: [Tf2N−] < [PF6−] < [Cl−] < [BF4−], following the same behavior for both cations. Methanol conversion was similar for all tested ILs. The best result for DMC selectivity (83%) was obtained when [emim][BF4] was used as catalyst. After 5 recycling tests, a loss of 8.5% in the catalyst activity was observed for [bmim][BF4].

Key concepts: Dimethyl carbonate, Ionic liquid, Catalysis, Methanol, Selectivity, Chemistry, Carbonate, Inorganic chemistry

Related papers

Related paper 1Related paper 2Related paper 3
Back to paper searchBrowse research topicsOriginal source
Chemical Conversion of CO2: Evaluation of Different Ionic Liquids as Catalysts in Dimethyl Carbonate Synthesis — Research Paper | ScholarLens