Studies on CO2 Adsorption and Desorption Properties from Various Types of Iron Oxides (FeO, Fe2O3, and Fe3O4)

Azizul Hakim, Tengku S. Marliza, Najiha M. Abu Tahari, Wan Isahak Wan Nor Roslam, Muhammad Rahimi Usop, Wahab M. Mohamed Hisham, Mohd. Ambar Yarmo

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28 Citations (Scopus)

Abstract

Various type iron oxides of FeO, Fe2O3, and Fe3O4 were used for carbon dioxide (CO2) capture at room temperature and pressure by studying its adsorption-desorption properties. Several interactions of carbonate species were detected on its surface. The morphology of carbonate formation shows different structures on FeO (grooves-like), Fe2O3 (fine sharp particles), and Fe3O4 (aggregated nanoparticles). CO2 chemisorption discovered a potential adsorbent of Fe2O3 with an adsorption capacity of 3.95 mgCO2/gadsorbent. The adsorption capacity increased up to 62.8% by using concentrated 99.9% CO2 for adsorption. At higher concentration of CO2 exposure, it partially turns to red color which indicated the less stable Fe3O4 was easily oxidized to Fe2O3 after CO2 regeneration with temperatures up to 500 °C. Hence, Fe2O3 possessed the highest basicity strength (1.26 cm3/g), and the adsorption capacity after four cycles was not significantly reduced by 8.6% indicating an effective chemical or physical adsorption in CO2 capture.

Original languageEnglish
Pages (from-to)7888-7897
Number of pages10
JournalIndustrial and Engineering Chemistry Research
Volume55
Issue number29
DOIs
Publication statusPublished - 27 Jul 2016

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Iron oxides
Desorption
Adsorption
Carbonates
Chemisorption
Alkalinity
Carbon Dioxide
Adsorbents
ferric oxide
Carbon dioxide
Nanoparticles
Color
Temperature

ASJC Scopus subject areas

  • Chemistry(all)
  • Chemical Engineering(all)
  • Industrial and Manufacturing Engineering

Cite this

Studies on CO2 Adsorption and Desorption Properties from Various Types of Iron Oxides (FeO, Fe2O3, and Fe3O4). / Hakim, Azizul; Marliza, Tengku S.; Abu Tahari, Najiha M.; Wan Nor Roslam, Wan Isahak; Usop, Muhammad Rahimi; Mohamed Hisham, Wahab M.; Yarmo, Mohd. Ambar.

In: Industrial and Engineering Chemistry Research, Vol. 55, No. 29, 27.07.2016, p. 7888-7897.

Research output: Contribution to journalArticle

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