Natural deep eutectic solvents (NADES) as green solvents for carbon dioxide capture

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21 Citations (Scopus)

Abstract

This study was conducted to determine the effectiveness of Natural Deep Eutectic Solvent (NADES), consisting of choline chloride and a hydrogen bonding donor (HBD) compound, in terms of carbon dioxide absorption. Solubility of carbon dioxide in NADES was found to be influenced HBD compound used and choline chloride to HBD ratio, carbon dioxide pressure, and contact time. HBD and choline/HBD ratios used were 1,2-propanediol (1:2), glycerol (1:2), and malic acid (1:1). The carbon dioxide absorption measurement was conducted using an apparatus that utilizes the volumetric method. Absorption curves were obtained up to pressures of 30 bar, showing a linear relationship between the amount absorbed and the final pressure of carbon dioxide. The choline and 1,2-propanediol eutectic mixture absorbs the highest amount of carbon dioxide, approaching 0.1 mole-fraction at 3.0 MPa and 50°C. We found that NADES ability to absorb carbon dioxide correlates with its polarity as tested using Nile Red as a solvatochromic probe.

Original languageEnglish
Title of host publicationInternational Conference on Chemistry, Chemical Process and Engineering, IC3PE 2017
EditorsIs Fatimah, Gani Purwiandono
PublisherAmerican Institute of Physics Inc.
ISBN (Electronic)9780735414914
DOIs
Publication statusPublished - 17 Mar 2017
EventInternational Conference on Chemistry, Chemical Process and Engineering, IC3PE 2017 - Yogyakarta, Indonesia
Duration: 15 Nov 201616 Nov 2016

Publication series

NameAIP Conference Proceedings
Volume1823
ISSN (Print)0094-243X
ISSN (Electronic)1551-7616

Conference

ConferenceInternational Conference on Chemistry, Chemical Process and Engineering, IC3PE 2017
Country/TerritoryIndonesia
CityYogyakarta
Period15/11/1616/11/16

Keywords

  • Deep eutectic solvent
  • absorption
  • carbon dioxide
  • choline chloride

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