Effect of aeration on hydrocarbon phytoremediation capability in pilot sub-surface flow constructed wetland operation

Israa Abdulwahab Al-Baldawi, Siti Rozaimah Sheikh Abdullah, Fatihah Suja`, Nurina Anuar, Mushrifah Idris

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

This study consisted of an experiment with 12 wetland reactors, operating at different diesel concentrations of 0%, 0.1%, 0.175% and 0.25% (Vdiesel/Vwater) and aeration rates (0, 1 and 2L/min) and aimed to evaluate the effect of aeration supply on a pilot treatment performance during 72 days of operation. The sub-surface flow constructed wetland (SSFCW) was planted with the native Malaysian plant of Scirpus grossus. The best removal of total petroleum hydrocarbon (TPH) from diesel contaminated water in the SSFCW reactors was found to be 84.1%, 86.3% and 88.3% for 0.1%, 0.175% and 0.25% diesel concentrations, respectively, with 1L/min aeration treatment. Aeration supply can also improve the plant growth and bacterial population, indicating that combining plants and bacteria together with aeration represents better treatment for water contaminated with diesel. According to statistical analyses, 1L/min aeration is a cost-effective operation parameter for TPH removal in diesel-contaminated water using S. grossus.

Original languageEnglish
Pages (from-to)496-500
Number of pages5
JournalEcological Engineering
Volume61
DOIs
Publication statusPublished - 2013

Fingerprint

phytoremediation
Wetlands
subsurface flow
constructed wetland
aeration
Hydrocarbons
diesel
hydrocarbon
Crude oil
Water
petroleum hydrocarbon
Bacteria
water
effect
Costs
Experiments
wetland
bacterium
cost
experiment

Keywords

  • Aeration
  • Diesel
  • Phytoremediation
  • Scirpus grossus
  • Sub-surface flow system

ASJC Scopus subject areas

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

Cite this

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title = "Effect of aeration on hydrocarbon phytoremediation capability in pilot sub-surface flow constructed wetland operation",
abstract = "This study consisted of an experiment with 12 wetland reactors, operating at different diesel concentrations of 0{\%}, 0.1{\%}, 0.175{\%} and 0.25{\%} (Vdiesel/Vwater) and aeration rates (0, 1 and 2L/min) and aimed to evaluate the effect of aeration supply on a pilot treatment performance during 72 days of operation. The sub-surface flow constructed wetland (SSFCW) was planted with the native Malaysian plant of Scirpus grossus. The best removal of total petroleum hydrocarbon (TPH) from diesel contaminated water in the SSFCW reactors was found to be 84.1{\%}, 86.3{\%} and 88.3{\%} for 0.1{\%}, 0.175{\%} and 0.25{\%} diesel concentrations, respectively, with 1L/min aeration treatment. Aeration supply can also improve the plant growth and bacterial population, indicating that combining plants and bacteria together with aeration represents better treatment for water contaminated with diesel. According to statistical analyses, 1L/min aeration is a cost-effective operation parameter for TPH removal in diesel-contaminated water using S. grossus.",
keywords = "Aeration, Diesel, Phytoremediation, Scirpus grossus, Sub-surface flow system",
author = "Al-Baldawi, {Israa Abdulwahab} and {Sheikh Abdullah}, {Siti Rozaimah} and Fatihah Suja` and Nurina Anuar and Mushrifah Idris",
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AU - Al-Baldawi, Israa Abdulwahab

AU - Sheikh Abdullah, Siti Rozaimah

AU - Suja`, Fatihah

AU - Anuar, Nurina

AU - Idris, Mushrifah

PY - 2013

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AB - This study consisted of an experiment with 12 wetland reactors, operating at different diesel concentrations of 0%, 0.1%, 0.175% and 0.25% (Vdiesel/Vwater) and aeration rates (0, 1 and 2L/min) and aimed to evaluate the effect of aeration supply on a pilot treatment performance during 72 days of operation. The sub-surface flow constructed wetland (SSFCW) was planted with the native Malaysian plant of Scirpus grossus. The best removal of total petroleum hydrocarbon (TPH) from diesel contaminated water in the SSFCW reactors was found to be 84.1%, 86.3% and 88.3% for 0.1%, 0.175% and 0.25% diesel concentrations, respectively, with 1L/min aeration treatment. Aeration supply can also improve the plant growth and bacterial population, indicating that combining plants and bacteria together with aeration represents better treatment for water contaminated with diesel. According to statistical analyses, 1L/min aeration is a cost-effective operation parameter for TPH removal in diesel-contaminated water using S. grossus.

KW - Aeration

KW - Diesel

KW - Phytoremediation

KW - Scirpus grossus

KW - Sub-surface flow system

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