Atmospheric particulate fractions from Nigerian crude oil spillage

Adesanmi, A. J and Okedere, O. B and Sonibare, J. A and Elehinafe, F. B and Fakinle, B. S (2021) Atmospheric particulate fractions from Nigerian crude oil spillage. Environmental Challenges, 5.

	Text Adesanmi NO 61-s2.0-S2667010021003127-main.pdf Download (887kB)
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Abstract

Laboratory simulations of the spill behaviors of three different Nigerian crude oil samples over three media (fresh water, sea water and soil) were carried out with a view to determining the effect of crude oil spillage on emission of fine (PM 2.5 ) and inhalable particulates fractions (PM 10 ). The spillage experiments were carried out in an environmental test box fitted with equipment to regulate the micro climatic conditions (temperature and Relative humidity). The maximum concentrations of PM 2.5 were 711, 689 and 680 μgm − 3 while those of PM 10 were 972, 946 and 940 μgm − 3 for sample A, B and C respectively. These peak concentrations were obtained for spill conditions corresponding to fresh water at 45 °C and 49% relative humidity. The least concentrations of PM 2.5 and PM 10 emitted across all samples were 63 μgm − 3 and 256 μgm − 3 respectively and these corresponded to spillage over sea water at 15 °C and 80% relative humidity. These concentrations clearly exceeded the short time averaging period (24 h) standards set for PM 2.5 and PM 10 by the United States Environmental Protection Agency. Incessant crude oil spillages in the Nigerian oil fields are therefore predicted to cause degradation of air quality within a short duration from the spill.

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