CO2 capture from air using supported polyethyleneimine type sorbent

Romesh P. Wijesiri, Gregory P. Knowles, Hasina Yeasmin, Andrew F.A. Hoadley, Alan L. Chaffee

Research output: Chapter in Book/Report/Conference proceedingConference PaperOther

1 Citation (Scopus)

Abstract

The potential of a highly loaded mesocellular silica supported polyethyleneimine sorbent to capture CO2 from air was investigated under a set of isothermal conditions between 36 °C and 81 °C. The highest capacity, 1.29 mmol/g, was observed at temperatures of 46 °C and 52 °C. At temperatures lower than 46 °C, the uptake of CO2 appeared to be limited by gas diffusion resistances, while at temperatures above 52 °C the uptake appeared to be limited by the thermodynamics of the reaction between CO2 and amines.

Original languageEnglish
Title of host publicationSSRN
Subtitle of host publicationGHGT 2018 - 14th International Conference on Greenhouse Gas Control Technologies
PublisherSSRN
Number of pages5
DOIs
Publication statusPublished - 2018
EventInternational Conference on Greenhouse Gas Control Technologies 2018 - Melbourne, Australia
Duration: 21 Oct 201825 Oct 2018
Conference number: 14th
https://ghgt.info (Website)

Conference

ConferenceInternational Conference on Greenhouse Gas Control Technologies 2018
Abbreviated titleGHGT 2018
Country/TerritoryAustralia
CityMelbourne
Period21/10/1825/10/18
Internet address

Keywords

  • adsorption
  • CO2
  • direct air capture
  • polyethyleneimine
  • solid supported amine

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