Assessing and Modelling the Efficacy of Lemna paucicostata for the Phytoremediation of Petroleum Hydrocarbons in Crude Oil-Contaminated Wetlands

Autor:	F.D. Sikoki, Eunice O. Nwachukwu, Abraham O. Ekperusi
Jazyk:	angličtina
Rok vydání:	2020
Předmět:	Environmental remediation lcsh:Medicine Wetland 010501 environmental sciences 01 natural sciences Article chemistry.chemical_compound Aquatic plant Environmental biotechnology Araceae Petroleum Pollution lcsh:Science Ecosystem 0105 earth and related environmental sciences Pollutant geography Multidisciplinary Lemna geography.geographical_feature_category Models Statistical biology 010401 analytical chemistry lcsh:R Contamination Biogeochemistry biology.organism_classification Hydrocarbons 0104 chemical sciences Environmental sciences Phytoremediation Biodegradation Environmental Petroleum chemistry Environmental chemistry Wetlands Environmental science lcsh:Q Water Pollutants Chemical
Zdroj:	Scientific Reports, Vol 10, Iss 1, Pp 1-9 (2020) Scientific Reports
ISSN:	2045-2322
DOI:	10.1038/s41598-020-65389-z
Popis:	The potentials of the invasive duckweed species, Lemna paucicostata to remove pollutants from aquatic environment was tested in a constructed wetlands as an ecological based system for the phytoremediation of petroleum hydrocarbons in crude oil-contaminated waters within 120 days. Total petroleum hydrocarbons in wetlands and tissues of duckweed were analyzed using gas chromatography with flame ionization detector following established methods while the experimental data were subjected to the first-order kinetic rate model to understand the remediation rate of duckweed in wetlands. L. paucicostata effected a significant (F = 253.405, P L. paucicostata bioaccumulated less than 1% and significantly biodegraded 97.74% of hydrocarbons in wetlands at the end of the study. The experimental data reasonably fitted (r2 = 0.938) into the first-order kinetic rate model. From the result of the study, it is reasonable to infer that L. paucicostata is an effective aquatic macrophyte for the removal of petroleum hydrocarbons in moderately polluted waters.
Databáze:	OpenAIRE
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