Effects of pentachlorophenol load on PCP, COD and NH3-N removal in lab-scale multimedia-sequencing batch biofilm reactor treating recycled paper mill wastewater

M. H. Muhamad, Siti Rozaimah Sheikh Abdullah, Hassimi Abu Hasan, N. I. Ismail

Research output: Contribution to journalArticle

Abstract

Aim: Discharge of improperly treated paper mill wastewater can be dangerous to the environment. The present study aimed to evaluate the effect of PCP load on PCP, chemical oxygen demand and ammoniacal nitrogen removal from recycled paper mill effluent in a lab-scale MM-SBBR system. Methodology: In this study, the effects of pentachlorophenol (PCP) load were investigated and monitored for a year using lab-scale multimedia-sequencing batch biofilm reactor for the removal of PCP, chemical oxygen demand (COD) and ammoniacal nitrogen (NH3-N) from recycled paper wastewater. An 18 L reactor composed of Perspex column packed with cylindrical plastic media filled with granular activated carbon (GAC; coconut shells) was used to treat real recycled paper mill effluent with initial COD range of 750-1900 mg l-1 at a fixed hydraulic retention time of 24 hr. Three different PCP concentrations (5, 10 and 50 mg l-1) were spiked in the real effluent to evaluate the reactor's performance. Results: PCP removal efficiency decreased from 94% to 61% when PCP concentrations were increased from 5 mg l-1 to 50 mg l-1. In addition, more than 88% of COD was removed, and NH3-N was completely eliminated. Both COD and NH3-N showed stable removal throughout the study. Interpretation: The overall performance results confirmed that the combination of biofilm and GAC was the best configuration for wastewater treatment as this combination showed good performance efficiency and stable treatment process under stern organic load fluctuations. Therefore, this hybrid system is recommended for the treatment of pulp and paper mill effluents.

Original languageEnglish
Pages (from-to)556-562
Number of pages7
JournalJournal of Environmental Biology
Volume40
Issue number3
DOIs
Publication statusPublished - 1 Jan 2019

Fingerprint

Pentachlorophenol
Biological Oxygen Demand Analysis
Multimedia
Chemical oxygen demand
Biofilms
Waste Water
Wastewater
Effluents
Nitrogen removal
Nitrogen
Paper and pulp mills
Hybrid systems
Wastewater treatment
Activated carbon
Cocos
Polymethyl Methacrylate
Hydraulics
Plastics
Carbon

Keywords

  • Multimedia
  • Pentachlorophenol
  • Recycled paper mill wastewater
  • Sequencing batch biofilm reactor

ASJC Scopus subject areas

  • Environmental Engineering
  • Toxicology
  • Health, Toxicology and Mutagenesis

Cite this

@article{0c4f63133c8b412c80a73da5c1d406f5,
title = "Effects of pentachlorophenol load on PCP, COD and NH3-N removal in lab-scale multimedia-sequencing batch biofilm reactor treating recycled paper mill wastewater",
abstract = "Aim: Discharge of improperly treated paper mill wastewater can be dangerous to the environment. The present study aimed to evaluate the effect of PCP load on PCP, chemical oxygen demand and ammoniacal nitrogen removal from recycled paper mill effluent in a lab-scale MM-SBBR system. Methodology: In this study, the effects of pentachlorophenol (PCP) load were investigated and monitored for a year using lab-scale multimedia-sequencing batch biofilm reactor for the removal of PCP, chemical oxygen demand (COD) and ammoniacal nitrogen (NH3-N) from recycled paper wastewater. An 18 L reactor composed of Perspex column packed with cylindrical plastic media filled with granular activated carbon (GAC; coconut shells) was used to treat real recycled paper mill effluent with initial COD range of 750-1900 mg l-1 at a fixed hydraulic retention time of 24 hr. Three different PCP concentrations (5, 10 and 50 mg l-1) were spiked in the real effluent to evaluate the reactor's performance. Results: PCP removal efficiency decreased from 94{\%} to 61{\%} when PCP concentrations were increased from 5 mg l-1 to 50 mg l-1. In addition, more than 88{\%} of COD was removed, and NH3-N was completely eliminated. Both COD and NH3-N showed stable removal throughout the study. Interpretation: The overall performance results confirmed that the combination of biofilm and GAC was the best configuration for wastewater treatment as this combination showed good performance efficiency and stable treatment process under stern organic load fluctuations. Therefore, this hybrid system is recommended for the treatment of pulp and paper mill effluents.",
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T1 - Effects of pentachlorophenol load on PCP, COD and NH3-N removal in lab-scale multimedia-sequencing batch biofilm reactor treating recycled paper mill wastewater

AU - Muhamad, M. H.

AU - Sheikh Abdullah, Siti Rozaimah

AU - Abu Hasan, Hassimi

AU - Ismail, N. I.

PY - 2019/1/1

Y1 - 2019/1/1

N2 - Aim: Discharge of improperly treated paper mill wastewater can be dangerous to the environment. The present study aimed to evaluate the effect of PCP load on PCP, chemical oxygen demand and ammoniacal nitrogen removal from recycled paper mill effluent in a lab-scale MM-SBBR system. Methodology: In this study, the effects of pentachlorophenol (PCP) load were investigated and monitored for a year using lab-scale multimedia-sequencing batch biofilm reactor for the removal of PCP, chemical oxygen demand (COD) and ammoniacal nitrogen (NH3-N) from recycled paper wastewater. An 18 L reactor composed of Perspex column packed with cylindrical plastic media filled with granular activated carbon (GAC; coconut shells) was used to treat real recycled paper mill effluent with initial COD range of 750-1900 mg l-1 at a fixed hydraulic retention time of 24 hr. Three different PCP concentrations (5, 10 and 50 mg l-1) were spiked in the real effluent to evaluate the reactor's performance. Results: PCP removal efficiency decreased from 94% to 61% when PCP concentrations were increased from 5 mg l-1 to 50 mg l-1. In addition, more than 88% of COD was removed, and NH3-N was completely eliminated. Both COD and NH3-N showed stable removal throughout the study. Interpretation: The overall performance results confirmed that the combination of biofilm and GAC was the best configuration for wastewater treatment as this combination showed good performance efficiency and stable treatment process under stern organic load fluctuations. Therefore, this hybrid system is recommended for the treatment of pulp and paper mill effluents.

AB - Aim: Discharge of improperly treated paper mill wastewater can be dangerous to the environment. The present study aimed to evaluate the effect of PCP load on PCP, chemical oxygen demand and ammoniacal nitrogen removal from recycled paper mill effluent in a lab-scale MM-SBBR system. Methodology: In this study, the effects of pentachlorophenol (PCP) load were investigated and monitored for a year using lab-scale multimedia-sequencing batch biofilm reactor for the removal of PCP, chemical oxygen demand (COD) and ammoniacal nitrogen (NH3-N) from recycled paper wastewater. An 18 L reactor composed of Perspex column packed with cylindrical plastic media filled with granular activated carbon (GAC; coconut shells) was used to treat real recycled paper mill effluent with initial COD range of 750-1900 mg l-1 at a fixed hydraulic retention time of 24 hr. Three different PCP concentrations (5, 10 and 50 mg l-1) were spiked in the real effluent to evaluate the reactor's performance. Results: PCP removal efficiency decreased from 94% to 61% when PCP concentrations were increased from 5 mg l-1 to 50 mg l-1. In addition, more than 88% of COD was removed, and NH3-N was completely eliminated. Both COD and NH3-N showed stable removal throughout the study. Interpretation: The overall performance results confirmed that the combination of biofilm and GAC was the best configuration for wastewater treatment as this combination showed good performance efficiency and stable treatment process under stern organic load fluctuations. Therefore, this hybrid system is recommended for the treatment of pulp and paper mill effluents.

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KW - Sequencing batch biofilm reactor

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JF - Journal of Environmental Biology

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