Treatment of Spilled Auto-Mechanic Garage Oils in Soil Using Polyethylene Terephthalate (PET) Waste Materials
Science Journal of Analytical Chemistry
Volume 8, Issue 3, September 2020, Pages: 117-121
Received: Aug. 9, 2020;
Accepted: Aug. 26, 2020;
Published: Sep. 3, 2020
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John Stephen Gushit, Department of Science Laboratory Technology, Faculty of Natural Sciences, University of Jos, Jos, Plateau State, Nigeria
Victor Fedoje Oguche, Department of Science Laboratory Technology, Faculty of Natural Sciences, University of Jos, Jos, Plateau State, Nigeria
Idoko Ogbe, Department of Science Laboratory Technology, Faculty of Natural Sciences, University of Jos, Jos, Plateau State, Nigeria
The work aimed at cleaning oil contaminated soil started with sorting and pulverizing pre-clean high density polyethylene terephthalate (PET) waste materials. The soil samples were collected from Farin-Gada Auto-Mechanic village located at Jos North Local Government area, Plateau State-Nigeria. They were prepared by homogenizing, crushing and sieving (mesh size ≤2mm), then extracted and purified for characterization of the total petroleum hydrocarbon (TPH) using gas chromatography mass spectroscopy (GCMS). For the heavy metals, the soil samples were air-dried, digested using mineral acids (HNO3 and HCl) in appropriate proportion, then analyzed using atomic absorption spectrophotometer (AAS). The levels of nickel (Ni), lead (Pb), chromium (Cr), cadmium (Cd) and TPH were assessed in the sample used as control (uncontaminated) labelled as ‘CC-S’. Untreated soil (automobile mechanic garage soil) labelled ‘UT-S’, and treated soil labelled as ‘TT-S. The results revealed that the untreated soil (UT-S) had high contaminants when compared to that of CC-S and TT-S. This suggest that anthropogenic activities is the major source of the soil contamination. On treating the contaminated soil with PET, the concentration of Ni, Pb, Cr and Cd in the UT-S was reduced by 18%, 4%, 84% and 66% respectively. Similarly, the total petroleum hydrocarbon (TPH) concentration reduced from 0.271 mg kg-1 to 0.082 mg kg-1 on treating UT-S with PET. The present work has established that pulverized waste polyethylene terephthalate (PET) can be processed and used to clean up oil contaminated soils.
John Stephen Gushit,
Victor Fedoje Oguche,
Treatment of Spilled Auto-Mechanic Garage Oils in Soil Using Polyethylene Terephthalate (PET) Waste Materials, Science Journal of Analytical Chemistry.
Vol. 8, No. 3,
2020, pp. 117-121.
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