ESTONIAN ACADEMY
PUBLISHERS
eesti teaduste
akadeemia kirjastus
PUBLISHED
SINCE 1984
 
Oil Shale cover
Oil Shale
ISSN 1736-7492 (Electronic)
ISSN 0208-189X (Print)
Impact Factor (2020): 0.934

DETERMINATION OF SELECTED ELEMENTS IN SHALE OIL LIQUID; pp. 179–187

Full article in PDF format | https://doi.org/10.3176/oil.2019.2S.08

Authors
EYAD S. M. ABU-NAMEH, OMAR S. AL-AYED†, AHMAD JADALLAH

Abstract

The result of quantitative determination of selected non-hydro­carbon elements present in shale oils produced by pyrolysis of oil shales from El-Lajjun, Attarat Umm Ghudran, Al-Wehda dam and Al-Sultani deposits is presented. Fischer Assay analysis of oil shales indicated their water content to range from 2.4 to 2.9 wt%, liquid shale oil amount to vary between 5.44 and 15 wt%, spent shale to be in the range 78–90.93 wt% and gaseous loss from 1.03 to 4.0 wt%. Distillation of shale oils showed comparable volume percent distilled with temperature. Seventeen non-hydrocarbon elements were quantified using inductively coupled plasma-optical emission spectro­scopy (ICP-OES). The detected elements were: arsenic (As), barium (Ba), beryllium (Be), boron (B), cadmium (Cd), chromium (Cr), cobalt (Co), copper (Cu), iron (Fe), manganese (Mn), nickel (Ni), lead (Pb), selenium (Se), strontium (Sr), tin (Sn), vanadium (V) and zinc (Zn). The concentrations of these elements depended on oil shale deposit location. The elements con­centration ranges determined were the following: As 2.11–2.59 ppm, B 0.57–0.58 ppm, Cd 5.00–6.13 ppm, Cr 1.78–2.47 ppm, Ni 8.91–11.10 ppm, V 2.29–0.887 ppm, antimony (Sb) 1.43–1.52 ppm, molybdenum (Mo) 0.42–0.78 ppm, Zn 10.5–12.93 ppm, Se 1.79–1.91 ppm and Sr 0.78–0.94 ppm.


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