Comparative study on adsorption of crude oil and spent engine oil from seawater and freshwater using algal biomass.

Environmental Science and Pollution Research International
Hamid BoleydeiOmidvar Farhadian

Abstract

Efficiency of a biosorbent prepared from the green macroalga Enteromorpha intestinalis biomass for decontamination of seawater and freshwater polluted by crude oil and engine spent oil was compared. The effect of different experimental conditions including contact time, pH, particle size, initial oil concentration, and biosorbent dose on the oil biosorption was studied in the batch method. The biosorbent was characterized by CHNOS, FTIR, and SEM analysis. The experimental data were well fitted to the pseudo-second-order kinetic model and the Langmuir adsorption isotherm model. Based on the obtained results, the adsorption of spent oil with higher viscosity was better than crude oil. The biosorption of oil hydrocarbons from seawater was more efficient than freshwater. The algal biomasses which are abundantly available could be effectively used as a low-cost and environmentally friendly adsorbent for remediation of oil spill in the marine environments or in the water and wastewater treatment.

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Citations

Jan 17, 2021·Environmental Science and Pollution Research International·Kovo G Akpomie, Jeanet Conradie
Feb 28, 2021·Environmental Science and Pollution Research International·Azar VahabisaniKenneth Lee

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