A study of upgrading real biogas via CO2 precipitation route under Indian Scenario

Avneesh Kumar Gehlaut, Ankur Gaur, Shabih Ul Hasan, Jin Won Park

Research output: Contribution to journalArticle

Abstract

Our study focuses on upgrading real biogas obtained under Indian scenario using carbon capture and utilization (CCU) technology to remove carbon dioxide (CO2) and utilize it by forming metal carbonate. Amines such as monoethanolamine (MEA), diethanolamine (DEA), and sodium hydroxide (NaOH) were used to rapidly convert gaseous CO2 to aqueous CO2, and BaCl2 was used as an additive to react with the aqueous CO2 and rapidly precipitating the aqueous CO2. All experiments were conducted at 25 °C and 1 atm. We analyzed the characteristics of the BaCO3 precipitates using X-ray diffractometry (XRD), scanning electron microscopy - Energy dispersive spectroscopy (SEM-EDS) and Fourier-transform infrared spectroscopy (FT-IR) analyses. The precipitates exhibited witherite morphology confirmed by the XRD results, and FT-IR confirmed that the metal salt formed was BaCO3, and EDS showed that there were no traces of impurities present in it. The quantity of the BaCO3 was larger when formed with DEA. Also, a comparison was done with a previous study of ours conducted in Korean conditions. Finally, we observed that the carbonate obtained using real biogas showed similar properties to carbonates available in the market. An economic analysis was done to show the cost effectiveness of the method employed by us.

Original languageEnglish
Pages (from-to)381-387
Number of pages7
JournalKorean Chemical Engineering Research
Volume56
Issue number3
DOIs
Publication statusPublished - 2018 Jun

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diethanolamine
Biofuels
Carbonates
Biogas
X ray diffraction analysis
Fourier transform infrared spectroscopy
Precipitates
Energy dispersive spectroscopy
Sodium Hydroxide
Carbon capture
Ethanolamine
Metal forming
Economic analysis
Cost effectiveness
Carbon Dioxide
Amines
Carbon dioxide
Salts
Metals
Sodium

All Science Journal Classification (ASJC) codes

  • Chemical Engineering(all)

Cite this

Gehlaut, Avneesh Kumar ; Gaur, Ankur ; Hasan, Shabih Ul ; Park, Jin Won. / A study of upgrading real biogas via CO2 precipitation route under Indian Scenario. In: Korean Chemical Engineering Research. 2018 ; Vol. 56, No. 3. pp. 381-387.
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A study of upgrading real biogas via CO2 precipitation route under Indian Scenario. / Gehlaut, Avneesh Kumar; Gaur, Ankur; Hasan, Shabih Ul; Park, Jin Won.

In: Korean Chemical Engineering Research, Vol. 56, No. 3, 06.2018, p. 381-387.

Research output: Contribution to journalArticle

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