Zero-Emission of Palm Oil Mill Effluent Final Discharge Promoted Bacterial Biodiversity Rebound in the Receiving Water System

Zero-emission technology for palm oil mill effluent (POME) has led to a breakthrough in the palm oil industry in relation to the goal of sustainable development. However, there are limited resources on how this technology has affected the bacterial community in the receiving river that has previousl...

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Autores principales: Noor Shaidatul Lyana Mohamad-Zainal, Norhayati Ramli, Nurhasliza Zolkefli, Nur Azyani Jamari, Nurul Asyifah Mustapha, Mohd Ali Hassan, Toshinari Maeda
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spelling oai:doaj.org-article:656a6b6007144c6b93c018e471e6774d2021-11-25T16:38:39ZZero-Emission of Palm Oil Mill Effluent Final Discharge Promoted Bacterial Biodiversity Rebound in the Receiving Water System10.3390/app1122108142076-3417https://doaj.org/article/656a6b6007144c6b93c018e471e6774d2021-11-01T00:00:00Zhttps://www.mdpi.com/2076-3417/11/22/10814https://doaj.org/toc/2076-3417Zero-emission technology for palm oil mill effluent (POME) has led to a breakthrough in the palm oil industry in relation to the goal of sustainable development. However, there are limited resources on how this technology has affected the bacterial community in the receiving river that has previously been polluted with POME final discharge. Thus, the current study assessed the recoverability of the unexplored bacterial community in the receiving water of a constructed river water system post-zero emission of POME final discharge. An artificial river water system was constructed in this study, where the viability status and the composition of the bacterial community were assessed for 15 days using a flow cytometry-based assay and high-throughput sequencing by Illumina MiSeq, respectively. The zero-emission of POME final discharge reduced not only the physicochemical properties and nutrient contents of the receiving water, but also the bacterial cells’ viability from 40.3% to 24.5% and shifted the high nucleic acid (HNA) to low nucleic acid (LNA) content (38.7% to 34.5%). The proposed POME bacterial indicators, <i>Alcaligenaceae</i> and <i>Chromatiaceae</i> were not detectable in the rainwater (control) but were detected in the artificial river water system after the introduction of POME final discharge at the compositions of 1.0–1.3% and 2.2–5.1%, respectively. The implementation of a zero-emission system decreased the composition of <i>Chromatiaceae</i> from 2.2% on day 8 until it was undetectable on day 15, while <i>Alcaligenaceae</i> was continuously reduced from 1.2% to 0.9% within that similar time frame. As indicated by principal coordinate (PCO) analysis, the reductions in biological oxygen demand (BOD<sub>5</sub>) would further diminish the compositions of these bioindicators. The zero-emission of POME final discharge has demonstrated its efficacy, not only in reducing the polluting properties, but also in the bacterial biodiversity rebound in the affected water system.Noor Shaidatul Lyana Mohamad-ZainalNorhayati RamliNurhasliza ZolkefliNur Azyani JamariNurul Asyifah MustaphaMohd Ali HassanToshinari MaedaMDPI AGarticlezero-emissionpalm oil mill effluentwastewaterwater pollutionbioindicatorartificial river waterTechnologyTEngineering (General). Civil engineering (General)TA1-2040Biology (General)QH301-705.5PhysicsQC1-999ChemistryQD1-999ENApplied Sciences, Vol 11, Iss 10814, p 10814 (2021)
institution DOAJ
collection DOAJ
language EN
topic zero-emission
palm oil mill effluent
wastewater
water pollution
bioindicator
artificial river water
Technology
T
Engineering (General). Civil engineering (General)
TA1-2040
Biology (General)
QH301-705.5
Physics
QC1-999
Chemistry
QD1-999
spellingShingle zero-emission
palm oil mill effluent
wastewater
water pollution
bioindicator
artificial river water
Technology
T
Engineering (General). Civil engineering (General)
TA1-2040
Biology (General)
QH301-705.5
Physics
QC1-999
Chemistry
QD1-999
Noor Shaidatul Lyana Mohamad-Zainal
Norhayati Ramli
Nurhasliza Zolkefli
Nur Azyani Jamari
Nurul Asyifah Mustapha
Mohd Ali Hassan
Toshinari Maeda
Zero-Emission of Palm Oil Mill Effluent Final Discharge Promoted Bacterial Biodiversity Rebound in the Receiving Water System
description Zero-emission technology for palm oil mill effluent (POME) has led to a breakthrough in the palm oil industry in relation to the goal of sustainable development. However, there are limited resources on how this technology has affected the bacterial community in the receiving river that has previously been polluted with POME final discharge. Thus, the current study assessed the recoverability of the unexplored bacterial community in the receiving water of a constructed river water system post-zero emission of POME final discharge. An artificial river water system was constructed in this study, where the viability status and the composition of the bacterial community were assessed for 15 days using a flow cytometry-based assay and high-throughput sequencing by Illumina MiSeq, respectively. The zero-emission of POME final discharge reduced not only the physicochemical properties and nutrient contents of the receiving water, but also the bacterial cells’ viability from 40.3% to 24.5% and shifted the high nucleic acid (HNA) to low nucleic acid (LNA) content (38.7% to 34.5%). The proposed POME bacterial indicators, <i>Alcaligenaceae</i> and <i>Chromatiaceae</i> were not detectable in the rainwater (control) but were detected in the artificial river water system after the introduction of POME final discharge at the compositions of 1.0–1.3% and 2.2–5.1%, respectively. The implementation of a zero-emission system decreased the composition of <i>Chromatiaceae</i> from 2.2% on day 8 until it was undetectable on day 15, while <i>Alcaligenaceae</i> was continuously reduced from 1.2% to 0.9% within that similar time frame. As indicated by principal coordinate (PCO) analysis, the reductions in biological oxygen demand (BOD<sub>5</sub>) would further diminish the compositions of these bioindicators. The zero-emission of POME final discharge has demonstrated its efficacy, not only in reducing the polluting properties, but also in the bacterial biodiversity rebound in the affected water system.
format article
author Noor Shaidatul Lyana Mohamad-Zainal
Norhayati Ramli
Nurhasliza Zolkefli
Nur Azyani Jamari
Nurul Asyifah Mustapha
Mohd Ali Hassan
Toshinari Maeda
author_facet Noor Shaidatul Lyana Mohamad-Zainal
Norhayati Ramli
Nurhasliza Zolkefli
Nur Azyani Jamari
Nurul Asyifah Mustapha
Mohd Ali Hassan
Toshinari Maeda
author_sort Noor Shaidatul Lyana Mohamad-Zainal
title Zero-Emission of Palm Oil Mill Effluent Final Discharge Promoted Bacterial Biodiversity Rebound in the Receiving Water System
title_short Zero-Emission of Palm Oil Mill Effluent Final Discharge Promoted Bacterial Biodiversity Rebound in the Receiving Water System
title_full Zero-Emission of Palm Oil Mill Effluent Final Discharge Promoted Bacterial Biodiversity Rebound in the Receiving Water System
title_fullStr Zero-Emission of Palm Oil Mill Effluent Final Discharge Promoted Bacterial Biodiversity Rebound in the Receiving Water System
title_full_unstemmed Zero-Emission of Palm Oil Mill Effluent Final Discharge Promoted Bacterial Biodiversity Rebound in the Receiving Water System
title_sort zero-emission of palm oil mill effluent final discharge promoted bacterial biodiversity rebound in the receiving water system
publisher MDPI AG
publishDate 2021
url https://doaj.org/article/656a6b6007144c6b93c018e471e6774d
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