Utilization of self-synthesized ZnO nanoparticles in MPR for industrial dye wastewater treatment using NF and UF membrane

Nur Hanis Hayati Hairom, Abdul Wahab Mohammad, Law Yong Ng, Abdul Amir Hassan Kadhum

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

This study attempted to use zinc oxide (ZnO) nanoparticles in membrane photocatalytic reactor (MPR) for industrial dye wastewater treatment. Performance comparison of nanofiltration (NF) and ultrafiltration (UF) in the MPR system were investigated to produce cleaner discharge and to retain the ZnO for reuse. From the results, the optimum operational condition of MPR occurred under pH 11 and 0.1 g L-1 of ZnO loading. NF membrane performance improved after the addition of ZnO nanoparticles in the wastewater; in terms of normalized flux reduction (65%), colour removal (100%), chemical oxygen demand (92%), turbidity reduction (100%) and total suspended solid rejection (100%). In contrast, UF membrane showed worse performance, due to the permeation of dye molecules and nanosized ZnO across the UF membrane pores. Membrane characterizations of field emission scanning electron microscopy and energy dispersive X-ray results confirmed that the ZnO nanoparticles and NF membrane application has a great potential for improving MPR system in industrial wastewater treatment.

Original languageEnglish
JournalDesalination and Water Treatment
DOIs
Publication statusAccepted/In press - 2014

Fingerprint

Nanofiltration
Ultrafiltration
ultrafiltration
Zinc oxide
Wastewater treatment
dye
Dyes
zinc
oxide
Nanoparticles
membrane
Membranes
Nanofiltration membranes
Color removal (water treatment)
Chemical oxygen demand
Turbidity
wastewater treatment
nanoparticle
reactor
Permeation

Keywords

  • Industrial dye wastewater
  • Membrane photocatalytic reactor
  • Nanofiltration
  • Ultrafiltration
  • Zinc oxide nanoparticles

ASJC Scopus subject areas

  • Ocean Engineering
  • Water Science and Technology
  • Pollution

Cite this

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title = "Utilization of self-synthesized ZnO nanoparticles in MPR for industrial dye wastewater treatment using NF and UF membrane",
abstract = "This study attempted to use zinc oxide (ZnO) nanoparticles in membrane photocatalytic reactor (MPR) for industrial dye wastewater treatment. Performance comparison of nanofiltration (NF) and ultrafiltration (UF) in the MPR system were investigated to produce cleaner discharge and to retain the ZnO for reuse. From the results, the optimum operational condition of MPR occurred under pH 11 and 0.1 g L-1 of ZnO loading. NF membrane performance improved after the addition of ZnO nanoparticles in the wastewater; in terms of normalized flux reduction (65{\%}), colour removal (100{\%}), chemical oxygen demand (92{\%}), turbidity reduction (100{\%}) and total suspended solid rejection (100{\%}). In contrast, UF membrane showed worse performance, due to the permeation of dye molecules and nanosized ZnO across the UF membrane pores. Membrane characterizations of field emission scanning electron microscopy and energy dispersive X-ray results confirmed that the ZnO nanoparticles and NF membrane application has a great potential for improving MPR system in industrial wastewater treatment.",
keywords = "Industrial dye wastewater, Membrane photocatalytic reactor, Nanofiltration, Ultrafiltration, Zinc oxide nanoparticles",
author = "Hairom, {Nur Hanis Hayati} and Mohammad, {Abdul Wahab} and Ng, {Law Yong} and Kadhum, {Abdul Amir Hassan}",
year = "2014",
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language = "English",
journal = "Desalination and Water Treatment",
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AU - Hairom, Nur Hanis Hayati

AU - Mohammad, Abdul Wahab

AU - Ng, Law Yong

AU - Kadhum, Abdul Amir Hassan

PY - 2014

Y1 - 2014

N2 - This study attempted to use zinc oxide (ZnO) nanoparticles in membrane photocatalytic reactor (MPR) for industrial dye wastewater treatment. Performance comparison of nanofiltration (NF) and ultrafiltration (UF) in the MPR system were investigated to produce cleaner discharge and to retain the ZnO for reuse. From the results, the optimum operational condition of MPR occurred under pH 11 and 0.1 g L-1 of ZnO loading. NF membrane performance improved after the addition of ZnO nanoparticles in the wastewater; in terms of normalized flux reduction (65%), colour removal (100%), chemical oxygen demand (92%), turbidity reduction (100%) and total suspended solid rejection (100%). In contrast, UF membrane showed worse performance, due to the permeation of dye molecules and nanosized ZnO across the UF membrane pores. Membrane characterizations of field emission scanning electron microscopy and energy dispersive X-ray results confirmed that the ZnO nanoparticles and NF membrane application has a great potential for improving MPR system in industrial wastewater treatment.

AB - This study attempted to use zinc oxide (ZnO) nanoparticles in membrane photocatalytic reactor (MPR) for industrial dye wastewater treatment. Performance comparison of nanofiltration (NF) and ultrafiltration (UF) in the MPR system were investigated to produce cleaner discharge and to retain the ZnO for reuse. From the results, the optimum operational condition of MPR occurred under pH 11 and 0.1 g L-1 of ZnO loading. NF membrane performance improved after the addition of ZnO nanoparticles in the wastewater; in terms of normalized flux reduction (65%), colour removal (100%), chemical oxygen demand (92%), turbidity reduction (100%) and total suspended solid rejection (100%). In contrast, UF membrane showed worse performance, due to the permeation of dye molecules and nanosized ZnO across the UF membrane pores. Membrane characterizations of field emission scanning electron microscopy and energy dispersive X-ray results confirmed that the ZnO nanoparticles and NF membrane application has a great potential for improving MPR system in industrial wastewater treatment.

KW - Industrial dye wastewater

KW - Membrane photocatalytic reactor

KW - Nanofiltration

KW - Ultrafiltration

KW - Zinc oxide nanoparticles

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