Comparative process optimization of pilot-scale total petroleum hydrocarbon (TPH) degradation by Paspalum scrobiculatum L. Hack using response surface methodology (RSM) and artificial neural networks (ANNs)

Salmi Nur Ain Sanusi, Mohd Izuan Effendi Halmi, Siti Rozaimah Sheikh Abdullah, Hassimi Abu Hasan, Firdaus Mohamad Hamzah, Mushrifah Idris

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10 Citations (Scopus)

Abstract

The aim of this study is to investigate an optimization process for the degradation of total petroleum hydrocarbon (TPH) by a tropical plant, Paspalum scrobiculatum L. Hack, using response surface methodology and artificial neural network. The optimum conditions predicted by RSM were found to be at a diesel concentration of 3%, 72 sampling days and an aeration rate of 1.77 L/min with a 76.8% maximum TPH removal. The coefficients of determination (R2) and adjusted R2 for the RSM model equations were 0.8530 and 0.7208. The optimum conditions predicted by the ANN were found to be at a diesel concentration of 3%, 72 sampling days and an aeration rate of 1.02 L/min with an 85.5% maximum TPH removal. Analysis using the ANN's prediction data, which showed a higher R2 value of 0.957 and small values of Average Absolute Deviation (AAD) and Root Mean Square Error (RMSE), were 0.33% and 0.302, respectively. Validation analysis showed the predicted values by RSM and ANN were close to the validation values, whereas the ANN showed the lowest deviation, 2.57%, compared to the RSM. This finding suggests that the ANN showed a better prediction and fitting ability compared to the RSM for the non-linear regression analysis.

Original languageEnglish
Pages (from-to)524-534
Number of pages11
JournalEcological Engineering
Volume97
DOIs
Publication statusPublished - 1 Dec 2016

Fingerprint

petroleum hydrocarbon
artificial neural network
Crude oil
Hydrocarbons
Neural networks
Degradation
degradation
aeration
diesel
Sampling
sampling
prediction
Regression analysis
Mean square error
response surface methodology
regression analysis

Keywords

  • Artificial neural network
  • Paspalum scrobiculatum L. Hack
  • Phytoremediation
  • Response surface methodology
  • Total petroleum hydrocarbon (TPH)

ASJC Scopus subject areas

  • Environmental Engineering
  • Nature and Landscape Conservation
  • Management, Monitoring, Policy and Law

Cite this

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title = "Comparative process optimization of pilot-scale total petroleum hydrocarbon (TPH) degradation by Paspalum scrobiculatum L. Hack using response surface methodology (RSM) and artificial neural networks (ANNs)",
abstract = "The aim of this study is to investigate an optimization process for the degradation of total petroleum hydrocarbon (TPH) by a tropical plant, Paspalum scrobiculatum L. Hack, using response surface methodology and artificial neural network. The optimum conditions predicted by RSM were found to be at a diesel concentration of 3{\%}, 72 sampling days and an aeration rate of 1.77 L/min with a 76.8{\%} maximum TPH removal. The coefficients of determination (R2) and adjusted R2 for the RSM model equations were 0.8530 and 0.7208. The optimum conditions predicted by the ANN were found to be at a diesel concentration of 3{\%}, 72 sampling days and an aeration rate of 1.02 L/min with an 85.5{\%} maximum TPH removal. Analysis using the ANN's prediction data, which showed a higher R2 value of 0.957 and small values of Average Absolute Deviation (AAD) and Root Mean Square Error (RMSE), were 0.33{\%} and 0.302, respectively. Validation analysis showed the predicted values by RSM and ANN were close to the validation values, whereas the ANN showed the lowest deviation, 2.57{\%}, compared to the RSM. This finding suggests that the ANN showed a better prediction and fitting ability compared to the RSM for the non-linear regression analysis.",
keywords = "Artificial neural network, Paspalum scrobiculatum L. Hack, Phytoremediation, Response surface methodology, Total petroleum hydrocarbon (TPH)",
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AU - Sanusi, Salmi Nur Ain

AU - Halmi, Mohd Izuan Effendi

AU - Sheikh Abdullah, Siti Rozaimah

AU - Abu Hasan, Hassimi

AU - Mohamad Hamzah, Firdaus

AU - Idris, Mushrifah

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