Potential application of a biosurfactant in phytoremediation technology for treatment of gasoline-contaminated soil

Asia Fadhile Almansoory, Hassimi Abu Hasan, Mushrifah Idris, Siti Rozaimah Sheikh Abdullah, Nurina Anuar

Research output: Contribution to journalArticle

25 Citations (Scopus)

Abstract

Biosurfactants are amphiphilic compounds excreted extracellularly that contain hydrophobic and hydrophilic moieties, allowing them to accumulate between the fluid phases on an organism and thus reduce the surface and interfacial tension. The objectives of this study were to evaluate the potential application of a biosurfactant to the phytoremediation of gasoline-contaminated soil and compare it to other additives such as hydrocarbon degrading bacteria, sodium dodecyl sulphate (SDS) and bacterial culture supernatant. The results showed that the biosurfactant removed a significant amount (up to 93.5%) of the total petroleum hydrocarbons (TPH) compared with the other additives that removed only 85.4% (bacteria), 70.3% (culture supernatant) and 86.3% (SDS). Kinetic analysis showed that the phytoremediation of gasoline-contaminated soils by the biosurfactant fitted pseudo-second-order kinetics with a coefficient of determination (R<sup>2</sup>) of 0.9318 and a second-order rate constant (k<inf>2</inf>) of 0.0032 (g TPH/kg plant d). Thus, biosurfactants have strong potential as supporting biocatalysts to increase the performance of phytoremediation technology for soil treatment.

Original languageEnglish
Pages (from-to)113-120
Number of pages8
JournalEcological Engineering
Volume84
DOIs
Publication statusPublished - 1 Nov 2015

Fingerprint

phytoremediation
Gasoline
Hydrocarbons
Sodium dodecyl sulfate
petroleum hydrocarbon
Soils
Surface tension
Bacteria
Crude oil
sodium
sulfate
kinetics
bacterium
Biocatalysts
Kinetics
Rate constants
hydrocarbon
Fluids
fluid
contaminated soil

Keywords

  • Biosurfactants
  • Gasoline-contaminated soil
  • Phytoremediation process
  • Serratia marcescens
  • Total petroleum hydrocarbon (TPH)

ASJC Scopus subject areas

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

Cite this

Potential application of a biosurfactant in phytoremediation technology for treatment of gasoline-contaminated soil. / Fadhile Almansoory, Asia; Abu Hasan, Hassimi; Idris, Mushrifah; Sheikh Abdullah, Siti Rozaimah; Anuar, Nurina.

In: Ecological Engineering, Vol. 84, 01.11.2015, p. 113-120.

Research output: Contribution to journalArticle

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