Palm oil mill secondary effluent (POMSE) treatment via photocatalysis process in presence of ZnO-PEG nanoparticles

Nur Zarifah Zainuri, Nur Hanis Hayati Hairom, Dilaelyana Abu Bakar Sidik, Amira Liyana Desa, Nurasyikin Misdan, Norhaniza Yusof, Abdul Wahab Mohammad

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

Palm oil mill secondary effluent (POMSE) has high colour intensity, turbidity and organic load of biochemical oxygen demand which still not achieved the discharged requirement by department of environment and led to detrimental to the aquatic life. Photocatalysis process is one of the promising method in wastewater treatment due to its advantages. This study reports on the POMSE treatment using photocatalysis process in presence of ZnO-polyethylene glycol (ZnO-PEG) nanoparticles. The characterization results using fourier-transform infrared spectroscopy, X-Ray diffraction and transmission electron microscopy show that there are no impurities present in the samples and presenting the nature and chemical bonds of ZnO-PEG besides having less agglomeration and smaller average in size (25–150 nm) compared to commercial ZnO (25–200 nm). ZnO-PEG nanoparticles have a great potential in degradation of POMSE and this is supported with the results obtained from the experimental works. Four potential factors which are different type of (A) photocatalysts, (B) pH of the POMSE, (C) ZnO-PEG loading and (D) concentration of POMSE were evaluated for the significance design of experiment. It is found that all the main factors were significant, with contributions of (A)66%, (B)73%, (C)84% and (D)84% respectively, to the POMSE degradation. Accordingly, the most favorable condition for the photocatalysis degradation process of POMSE is under pH 6.5 in presence of 0.5 g/L ZnO-PEG for the 50% of POMSE dilution. It is believed that this integrated approach can be implemented in the industry to achieve discharged standard of POMSE and maintain the green environment for future generation.

Original languageEnglish
Pages (from-to)10-16
Number of pages7
JournalJournal of Water Process Engineering
Volume26
DOIs
Publication statusPublished - 1 Dec 2018

Fingerprint

Effluent treatment
Palm oil
Photocatalysis
Nanoparticles
Polyethylene glycols
mill
Effluents
effluent
oil
Degradation
degradation
palm oil
nanoparticle
Biochemical oxygen demand
Chemical bonds
Social Responsibility
Turbidity
Fourier Transform Infrared Spectroscopy
biochemical oxygen demand
Photocatalysts

Keywords

  • Nanoparticles
  • Palm oil mill secondary effluent
  • Photocatalysis
  • Zinc oxide

ASJC Scopus subject areas

  • Biotechnology
  • Safety, Risk, Reliability and Quality
  • Waste Management and Disposal
  • Process Chemistry and Technology

Cite this

Palm oil mill secondary effluent (POMSE) treatment via photocatalysis process in presence of ZnO-PEG nanoparticles. / Zainuri, Nur Zarifah; Hairom, Nur Hanis Hayati; Sidik, Dilaelyana Abu Bakar; Desa, Amira Liyana; Misdan, Nurasyikin; Yusof, Norhaniza; Mohammad, Abdul Wahab.

In: Journal of Water Process Engineering, Vol. 26, 01.12.2018, p. 10-16.

Research output: Contribution to journalArticle

Zainuri, Nur Zarifah ; Hairom, Nur Hanis Hayati ; Sidik, Dilaelyana Abu Bakar ; Desa, Amira Liyana ; Misdan, Nurasyikin ; Yusof, Norhaniza ; Mohammad, Abdul Wahab. / Palm oil mill secondary effluent (POMSE) treatment via photocatalysis process in presence of ZnO-PEG nanoparticles. In: Journal of Water Process Engineering. 2018 ; Vol. 26. pp. 10-16.
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AU - Sidik, Dilaelyana Abu Bakar

AU - Desa, Amira Liyana

AU - Misdan, Nurasyikin

AU - Yusof, Norhaniza

AU - Mohammad, Abdul Wahab

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AB - Palm oil mill secondary effluent (POMSE) has high colour intensity, turbidity and organic load of biochemical oxygen demand which still not achieved the discharged requirement by department of environment and led to detrimental to the aquatic life. Photocatalysis process is one of the promising method in wastewater treatment due to its advantages. This study reports on the POMSE treatment using photocatalysis process in presence of ZnO-polyethylene glycol (ZnO-PEG) nanoparticles. The characterization results using fourier-transform infrared spectroscopy, X-Ray diffraction and transmission electron microscopy show that there are no impurities present in the samples and presenting the nature and chemical bonds of ZnO-PEG besides having less agglomeration and smaller average in size (25–150 nm) compared to commercial ZnO (25–200 nm). ZnO-PEG nanoparticles have a great potential in degradation of POMSE and this is supported with the results obtained from the experimental works. Four potential factors which are different type of (A) photocatalysts, (B) pH of the POMSE, (C) ZnO-PEG loading and (D) concentration of POMSE were evaluated for the significance design of experiment. It is found that all the main factors were significant, with contributions of (A)66%, (B)73%, (C)84% and (D)84% respectively, to the POMSE degradation. Accordingly, the most favorable condition for the photocatalysis degradation process of POMSE is under pH 6.5 in presence of 0.5 g/L ZnO-PEG for the 50% of POMSE dilution. It is believed that this integrated approach can be implemented in the industry to achieve discharged standard of POMSE and maintain the green environment for future generation.

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