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Eco-Friendly Fabrication of a Highly Selective Amide-Based Polymer for CO2 Capture

  • Kehinde A. Fayemiwo
  • , Nutchapon Chiarasumran
  • , Seyed A. Nabavi
  • , Konstantin N. Loponov
  • , Vasilije Manović
  • , Brahim Benyahia*
  • , Goran T. Vladisavljević
  • *Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

25 Scopus citations

Abstract

Porous polymeric adsorbents for CO2 capture (HCP-MAAMs) were fabricated by copolymerization of methacrylamide (MAAM) and ethylene glycol dimethacrylate using acetonitrile and azobisisobutyronitrile as a porogen and initiator, respectively. The X-ray photoelectron and Fourier transform infrared spectra revealed a high density of amide groups in the polymer matrix of HCP-MAAMs, which enabled high selectivity to CO2. The polymer BET surface area and total pore volume was up to 277 m2 g-1 and 0.91 cm3 g-1, respectively. The highest CO2 uptake at 273 K and 1 bar CO2 pressure was 1.45 mmol g-1, and the heat of adsorption was 27-35 kJ mol-1. The polymer with the lowest cross-linking density exhibited an unprecedented CO2/N2 selectivity of 394 at 273 K. Life cycle assessment revealed a lower environmental impact of HCP-MAAMs compared to molecularly imprinted polymers. HCP-MAAMs are eco-friendly CO2 adsorbents owing to their low regeneration energy, environmentally benign fabrication process, and high selectivity.

Original languageEnglish
Pages (from-to)18160-18167
Number of pages8
JournalIndustrial and Engineering Chemistry Research
Volume58
Issue number39
DOIs
StatePublished - 2 Oct 2019
Externally publishedYes

Bibliographical note

Publisher Copyright:
© 2019 American Chemical Society.

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 9 - Industry, Innovation, and Infrastructure
    SDG 9 Industry, Innovation, and Infrastructure
  2. SDG 12 - Responsible Consumption and Production
    SDG 12 Responsible Consumption and Production
  3. SDG 13 - Climate Action
    SDG 13 Climate Action

ASJC Scopus subject areas

  • General Chemistry
  • General Chemical Engineering
  • Industrial and Manufacturing Engineering

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