Study of CO2 adsorption and desorption on activated carbon supported iron oxide by temperature programmed desorption

Azizul Hakim, Maratun Najiha Abu Tahari, Tengku Sharifah Marliza, Wan Isahak Wan Nor Roslam, Muhammad Rahimi Usop, Mohamed Wahab Mohamed Hisham, M. O. Yarmoa

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Anthropogenic gas of CO2 level was higher than CO2 atmospheric safety limit of 350 ppm since 80’s. It can be assumed that CO2 level growth directly proportional to the population and development. Hence, studies on CO2 capture have been extensively established in between year of 2000-2010. Metal oxide can be a good adsorbent but it has the weakness in surface area and sintered after regeneration process. Thus, activated carbon was used to enhance the surface area which mainly responsible for physical adsorption. Fe2O3 supported on activated carbon (Fe2O3/AC) were prepared by impregnation method and used for CO2 adsorption-desorption studies. The XRD result shows that precursor of ferric nitrate used to impregnated on AC (activated carbon) support was directly dissociated to Fe2O3 metal oxide by thermal treatment under N2 atmosphere temperature at 450 °C. The loading amount of Fe2O3 by weight ratio affect the textural properties and CO2 capturing capacity. The surface area and pore volume of the catalyst decrease with the loading of Fe2O3. Highest Fe2O3 loading shows greater amount chemically adsorbed of CO2. Nevertheless, it drastically reduced the surface area of the AC, which is chiefly responsible for CO2 physisorption, thus decreasing the carrying capacity of ACs at 25 °C. The 20Fe2O3/AC was found to be optimum loading for better physi and chemisorptions of CO2.

Original languageEnglish
Pages (from-to)75-84
Number of pages10
JournalJurnal Teknologi
Volume77
Issue number33
DOIs
Publication statusPublished - 2015

Fingerprint

Temperature programmed desorption
Iron oxides
Activated carbon
Desorption
Adsorption
Physisorption
Oxides
Chemisorption
Metals
Impregnation
Adsorbents
Nitrates
Heat treatment
Catalysts
Gases
Temperature

Keywords

  • Activated carbon
  • Adsorption
  • Carbon dioxide
  • Iron oxide

ASJC Scopus subject areas

  • Engineering(all)

Cite this

Study of CO2 adsorption and desorption on activated carbon supported iron oxide by temperature programmed desorption. / Hakim, Azizul; Abu Tahari, Maratun Najiha; Marliza, Tengku Sharifah; Wan Nor Roslam, Wan Isahak; Usop, Muhammad Rahimi; Mohamed Hisham, Mohamed Wahab; Yarmoa, M. O.

In: Jurnal Teknologi, Vol. 77, No. 33, 2015, p. 75-84.

Research output: Contribution to journalArticle

Hakim, Azizul ; Abu Tahari, Maratun Najiha ; Marliza, Tengku Sharifah ; Wan Nor Roslam, Wan Isahak ; Usop, Muhammad Rahimi ; Mohamed Hisham, Mohamed Wahab ; Yarmoa, M. O. / Study of CO2 adsorption and desorption on activated carbon supported iron oxide by temperature programmed desorption. In: Jurnal Teknologi. 2015 ; Vol. 77, No. 33. pp. 75-84.
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