Adsorption-desorption system for CO2 removal in biogas using natural zeolite-based adsorbent

Irvan, Bambang Trisakti, Seri Maulina, Rivaldi Sidabutar, Iriany, Mohd Sobri Takriff

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

This study aimed to remove CO2 from air-CO2 mixture using natural zeolite-based adsorbent pellets through adsorption and to regenerate the adsorbents using air through desorption. The experiment was conducted to determine the percentage of CO2 removal and breakthrough curve characteristics by varying the flow rate of the air-CO2 mixture and the type of adsorbent pellet. The residual CO2 content of purified gas was analysed every minute and stored in the gas collector. Pure air with ambient temperature ranging from 30 to 40 °C flowed through a column for desorption of CO2 in the saturated pellet adsorbent. Results concluded that the best percentage of CO2 removal was 92.5% by using adsorbent pellet with particle size of 140 mesh, calcination temperature 400 °C for four hours and a flow rate of mixed gas at 200 ml/min. This characteristic also described the optimum CO2 desorption that is achieved at 40 °C of air temperature and flow rate of 200 ml/min for 20 minutes. The adsorption equilibrium was fitted using Langmuir isotherm with R2 correlation value of 0.9962. Modelling of adsorption kinetics to describe breakthrough curve used pseudo-order and Elovich kinetics. The results showed that the pseudo-order kinetics provided good results under operating conditions.

Original languageEnglish
Pages (from-to)3058-3070
Number of pages13
JournalJournal of Engineering Science and Technology
Volume13
Issue number10
Publication statusPublished - 1 Oct 2018

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Biogas
Adsorbents
Desorption
Adsorption
Air
Flow rate
Kinetics
Gases
Calcination
Temperature
Isotherms
Particle size
Experiments

Keywords

  • Adsorption
  • Biogas
  • Carbon dioxide
  • Desorption
  • Zeolite

ASJC Scopus subject areas

  • Engineering(all)

Cite this

Adsorption-desorption system for CO2 removal in biogas using natural zeolite-based adsorbent. / Irvan; Trisakti, Bambang; Maulina, Seri; Sidabutar, Rivaldi; Iriany, ; Takriff, Mohd Sobri.

In: Journal of Engineering Science and Technology, Vol. 13, No. 10, 01.10.2018, p. 3058-3070.

Research output: Contribution to journalArticle

Irvan ; Trisakti, Bambang ; Maulina, Seri ; Sidabutar, Rivaldi ; Iriany, ; Takriff, Mohd Sobri. / Adsorption-desorption system for CO2 removal in biogas using natural zeolite-based adsorbent. In: Journal of Engineering Science and Technology. 2018 ; Vol. 13, No. 10. pp. 3058-3070.
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