Using phytoremediation as a tool for improving a petroleum hydrocarbon contaminated soil
Abstract: Phytoremediation of petroleum hydrocarbon contaminated soils presents
promising technology for environmental clean up using in situ treatment, especially in
the developing countries. In the present study, the rhizospheric and non rhizosphereic
soil samples was collected from three different locations which were non
contaminated, contaminated by crud oil untreated and contaminated by crud oil grown
with different plants respectively, theses location are in the same zoon area at Kafr Al-
Elow Helwan city, Cairo governorate, Egypt.
Results showed that the concentration of Cu, Zn, Fe, Mn, Cd, Ni, Pb in
surface soil polluted (0-30 cm) by crud oil were increased to 4.1, 2.2, 6.9, 2.1, 4.2, 7.8
and 6.1 times, respectively, compared to unpolluted soil because of the crud oil
pollution is often accompanied by the presence of high levels of heavy metals. Also,
this increasing reduced with soil depth due to their low mobility.
The highest loses in concentration of heavy metals and PAHs was recorded
in the rhizospheric soil which planted with Alfalfa then Wheat followed by Sorghum
respectively, thus the legume plants were suitable candidates for phytoremediation of
soils contaminated with PAHs pollutants.
On the other hand, the results indicated that the translocation of PAHs from
root to shoot was considerably restricted, and the disparities of shoot PAHs
concentrations for various plant species grown in soil polluted may be due to the
shoot uptake of PAHs and accumulation from the ambient air, possibly originally
volatized from the soils, was an important pathway for these PAHs intake by
vegetable.
In the pot experiment, Faba bean plants was able after 65 days to reduce
total Acenaphthene, Phenanthrene and Pyrene in the rhizosphereic soil from 297.8,
21.0 and 251.3 to 51.8, 4.3 and 84.37 mg kg
-1
soil respectively, (i.e. 82.6, 79.5 and
66.3 % loss)
URL
Publication year 2011
Pages 1303 - 1314
Organization Name
City المنصورة
serial title J. Soil Sci. and Agric. Eng., Mansoura Univ
ISSN 1110-0346
Author(s) from ARC
Agris Categories Nature conservation and land resourcesSoil erosion, conservation and reclamationSoil fertility
AGROVOC
TERMS		 Bioremediation. Heavy metals. Hydrocarbons. Petroleum.
Proposed Agrovoc petroleum hydrocarbon;monocot plants;
Publication Type Journal
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