Application of response surface methodology for the optimization of polycyclic aromatic hydrocarbons degradation from potable water using photo-Fenton oxidation process

Teh Sabariah Binti Abd Manan, Taimur Khan, Subarna Sivapalan, Hisyam Jusoh, Nasiman Sapari, Ariyanti Sarwono, Raihan Mahirah Ramli, Sabtanti Harimurti, Salmia Beddu, Siti Nabihah Sadon, Nur Liyana Mohd Kamal, Amirhossein Malakahmad

Research output: Contribution to journalArticle

Abstract

Polycyclic aromatic hydrocarbons (PAHs) are carcinogenic compounds, composed of benzene rings. The objective of this research was to identify the optimum condition for the degradation of PAHs contaminated water using photo-Fenton oxidation process via response surface methodology (RSM). Aqueous solution was prepared and potable water samples were collected from water treatment plants in Perak Tengah, Perak, Malaysia in September 2016. The reaction time, pH, molarity of H 2 O 2 and FeSO 4 were analyzed followed by RSM using aqueous solution. A five level central composite design with quadratic model was used to evaluate the effects and interactions of these parameters. The response variable was the percentage of total organic carbon (TOC) removal. PAHs quantification was done using gas chromatography mass spectrometry analysis. The regression line fitted well with the data with R 2 value of 0.9757. The lack of fit test gives the highest value of Sum of Squares (15,666.64) with probability F value 0.0001 showing significant quadratic model. The optimum conditions were established corresponding to the percentage of TOC removal. The PAHs removal efficiency for potable water samples ranged from 76.4% to 91% following the first order of kinetic rates with R 2 values of >0.95. Conventional water treatment techniques are not effective for PAHs removal. Thus, advanced oxidation processes may be considered as an alternative to conventional water treatment techniques in Malaysia and other developing countries.

Original languageEnglish
Pages (from-to)196-212
Number of pages17
JournalScience of the Total Environment
Volume665
DOIs
Publication statusPublished - 15 May 2019

Fingerprint

Photooxidation
photooxidation
Polycyclic Aromatic Hydrocarbons
Polycyclic aromatic hydrocarbons
Potable water
Drinking Water
PAH
drinking water
Degradation
degradation
Organic carbon
Water treatment
total organic carbon
water treatment
aqueous solution
Water treatment plants
Benzene
Developing countries
Gas chromatography
benzene

All Science Journal Classification (ASJC) codes

  • Environmental Engineering
  • Environmental Chemistry
  • Waste Management and Disposal
  • Pollution

Cite this

Abd Manan, Teh Sabariah Binti ; Khan, Taimur ; Sivapalan, Subarna ; Jusoh, Hisyam ; Sapari, Nasiman ; Sarwono, Ariyanti ; Ramli, Raihan Mahirah ; Harimurti, Sabtanti ; Beddu, Salmia ; Sadon, Siti Nabihah ; Mohd Kamal, Nur Liyana ; Malakahmad, Amirhossein. / Application of response surface methodology for the optimization of polycyclic aromatic hydrocarbons degradation from potable water using photo-Fenton oxidation process. In: Science of the Total Environment. 2019 ; Vol. 665. pp. 196-212.
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Application of response surface methodology for the optimization of polycyclic aromatic hydrocarbons degradation from potable water using photo-Fenton oxidation process. / Abd Manan, Teh Sabariah Binti; Khan, Taimur; Sivapalan, Subarna; Jusoh, Hisyam; Sapari, Nasiman; Sarwono, Ariyanti; Ramli, Raihan Mahirah; Harimurti, Sabtanti; Beddu, Salmia; Sadon, Siti Nabihah; Mohd Kamal, Nur Liyana; Malakahmad, Amirhossein.

In: Science of the Total Environment, Vol. 665, 15.05.2019, p. 196-212.

Research output: Contribution to journalArticle

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AU - Abd Manan, Teh Sabariah Binti

AU - Khan, Taimur

AU - Sivapalan, Subarna

AU - Jusoh, Hisyam

AU - Sapari, Nasiman

AU - Sarwono, Ariyanti

AU - Ramli, Raihan Mahirah

AU - Harimurti, Sabtanti

AU - Beddu, Salmia

AU - Sadon, Siti Nabihah

AU - Mohd Kamal, Nur Liyana

AU - Malakahmad, Amirhossein

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AB - Polycyclic aromatic hydrocarbons (PAHs) are carcinogenic compounds, composed of benzene rings. The objective of this research was to identify the optimum condition for the degradation of PAHs contaminated water using photo-Fenton oxidation process via response surface methodology (RSM). Aqueous solution was prepared and potable water samples were collected from water treatment plants in Perak Tengah, Perak, Malaysia in September 2016. The reaction time, pH, molarity of H 2 O 2 and FeSO 4 were analyzed followed by RSM using aqueous solution. A five level central composite design with quadratic model was used to evaluate the effects and interactions of these parameters. The response variable was the percentage of total organic carbon (TOC) removal. PAHs quantification was done using gas chromatography mass spectrometry analysis. The regression line fitted well with the data with R 2 value of 0.9757. The lack of fit test gives the highest value of Sum of Squares (15,666.64) with probability F value 0.0001 showing significant quadratic model. The optimum conditions were established corresponding to the percentage of TOC removal. The PAHs removal efficiency for potable water samples ranged from 76.4% to 91% following the first order of kinetic rates with R 2 values of >0.95. Conventional water treatment techniques are not effective for PAHs removal. Thus, advanced oxidation processes may be considered as an alternative to conventional water treatment techniques in Malaysia and other developing countries.

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