Comparative study of digestibility of crude glycerol in anaerobic digestion of cow dung and municipal solid waste

M. Anitha, Siti Kartom Kamarudin, N. A. Ghazali

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

The digestibility of crude glycerin in anaerobic digestion was investigated in this present study. 2 sets of experiment were carried out at room temperature of 25-30°C for 28 days using lab-scaled reactor to determine biogas and methanol yield. Relationship between the methanol and biogas yield were studied and it was discovered that methanol, the intermediate product of anaerobic digestion, consumed by the microbes to further converted into biogas. Anaerobic digestion of solid wastes without the addition of crude glycerin resulted in higher biogas and methanol yield compared to digestion with the addition of crude glycerin. Banana peels was resulted in higher cumulative biogas production of 1670 mL and methanol yield was highest (0.51g/L, 1.05 vol.%) in digestion of cornhusk without addition of crude glycerin. Banana peels and cornhusk were identified as the best potential substrate for anaerobic digestion in this study.

Original languageEnglish
Pages (from-to)62-70
Number of pages9
JournalJournal of Engineering Science and Technology
Volume10
Issue numberSpec. Issue on 4th International Technical Conference (ITC) 2014
Publication statusPublished - 2015

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Anaerobic digestion
Municipal solid waste
Biogas
Glycerol
Methanol
Solid wastes
Substrates
Experiments
Temperature

Keywords

  • Biogas production
  • Cow dung
  • Crude glycerin
  • Methanol yield

ASJC Scopus subject areas

  • Engineering(all)

Cite this

Anitha, M., Kamarudin, S. K., & Ghazali, N. A. (2015). Comparative study of digestibility of crude glycerol in anaerobic digestion of cow dung and municipal solid waste. Journal of Engineering Science and Technology, 10(Spec. Issue on 4th International Technical Conference (ITC) 2014), 62-70.

Comparative study of digestibility of crude glycerol in anaerobic digestion of cow dung and municipal solid waste. / Anitha, M.; Kamarudin, Siti Kartom; Ghazali, N. A.

In: Journal of Engineering Science and Technology, Vol. 10, No. Spec. Issue on 4th International Technical Conference (ITC) 2014, 2015, p. 62-70.

Research output: Contribution to journalArticle

Anitha, M, Kamarudin, SK & Ghazali, NA 2015, 'Comparative study of digestibility of crude glycerol in anaerobic digestion of cow dung and municipal solid waste', Journal of Engineering Science and Technology, vol. 10, no. Spec. Issue on 4th International Technical Conference (ITC) 2014, pp. 62-70.
Anitha, M. ; Kamarudin, Siti Kartom ; Ghazali, N. A. / Comparative study of digestibility of crude glycerol in anaerobic digestion of cow dung and municipal solid waste. In: Journal of Engineering Science and Technology. 2015 ; Vol. 10, No. Spec. Issue on 4th International Technical Conference (ITC) 2014. pp. 62-70.
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