Dynamics of microbial populations responsible for biodegradation during the full-scale treatment of palm oil mill effluent

Diana Mohd-Nor, Norhayati Ramli, Siti Suhailah Sharuddin, Mohd Ali Hassan, Nurul Asyifah Mustapha, Hidayah Ariffin, Kenji Sakai, Yukihiro Tashiro, Yoshihito Shirai, Toshinari Maeda

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Abstract

Despite efforts to address the composition of the microbial community during the anaerobic treatment of palm oil mill effluent (POME), its composition in relation to biodegradation in the full-scale treatment system has not yet been extensively examined. Therefore, a thorough analysis of bacterial and archaeal communities was performed in the present study using MiSeq sequencing at the different stages of the POME treatment, which comprised anaerobic as well as facultative anaerobic and aerobic processes, including the mixed raw effluent (MRE), mixing pond, holding tank, and final discharge phases. Based on the results obtained, the following biodegradation processes were suggested to occur at the different treatment stages: (1) Lactobacillaceae (35.9%) dominated the first stage, which contributed to high lactic acid production; (2) the higher population of Clostridiaceae in the mixing pond (47.7%) and Prevotellaceae in the holding tank (49.7%) promoted acetic acid production; (3) the aceticlastic methanogen Methanosaetaceae (0.6–0.8%) played a role in acetic acid degradation in the open digester and closed reactor for methane generation; (4) Syntrophomonas (21.5–29.2%) appeared to be involved in the degradation of fatty acids and acetic acid by syntrophic cooperation with the hydrogenotrophic methanogen, Methanobacteriaceae (0.6–1.3%); and (5) the phenols and alcohols detected in the early phases, but not in the final discharge phase, indicated the successful degradation of lignocellulosic materials. The present results contribute to a better understanding of the biodegradation mechanisms involved in the different stages of the full-scale treatment of POME.

Original languageEnglish
Pages (from-to)121-128
Number of pages8
JournalMicrobes and Environments
Volume34
Issue number2
DOIs
Publication statusPublished - Jan 1 2019

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oil mill effluents
biodegradation
acetic acid
mill
methanogens
effluent
Syntrophomonas
degradation
Methanobacteriaceae
oil
Methanosaetaceae
Lactobacillaceae
Clostridiaceae
pond
phenols
lactic acid
methane
effluents
microbial communities
alcohols

All Science Journal Classification (ASJC) codes

  • Ecology, Evolution, Behavior and Systematics
  • Soil Science
  • Plant Science

Cite this

Mohd-Nor, D., Ramli, N., Sharuddin, S. S., Hassan, M. A., Mustapha, N. A., Ariffin, H., ... Maeda, T. (2019). Dynamics of microbial populations responsible for biodegradation during the full-scale treatment of palm oil mill effluent. Microbes and Environments, 34(2), 121-128. https://doi.org/10.1264/jsme2.ME18104

Dynamics of microbial populations responsible for biodegradation during the full-scale treatment of palm oil mill effluent. / Mohd-Nor, Diana; Ramli, Norhayati; Sharuddin, Siti Suhailah; Hassan, Mohd Ali; Mustapha, Nurul Asyifah; Ariffin, Hidayah; Sakai, Kenji; Tashiro, Yukihiro; Shirai, Yoshihito; Maeda, Toshinari.

In: Microbes and Environments, Vol. 34, No. 2, 01.01.2019, p. 121-128.

Research output: Contribution to journalArticle

Mohd-Nor, D, Ramli, N, Sharuddin, SS, Hassan, MA, Mustapha, NA, Ariffin, H, Sakai, K, Tashiro, Y, Shirai, Y & Maeda, T 2019, 'Dynamics of microbial populations responsible for biodegradation during the full-scale treatment of palm oil mill effluent', Microbes and Environments, vol. 34, no. 2, pp. 121-128. https://doi.org/10.1264/jsme2.ME18104
Mohd-Nor, Diana ; Ramli, Norhayati ; Sharuddin, Siti Suhailah ; Hassan, Mohd Ali ; Mustapha, Nurul Asyifah ; Ariffin, Hidayah ; Sakai, Kenji ; Tashiro, Yukihiro ; Shirai, Yoshihito ; Maeda, Toshinari. / Dynamics of microbial populations responsible for biodegradation during the full-scale treatment of palm oil mill effluent. In: Microbes and Environments. 2019 ; Vol. 34, No. 2. pp. 121-128.
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