The Determination Of Marine Oil Ashes : A Comparative Study Between Icp Ms, Aa, Inaa And Edxrf Essay

1105 WordsFeb 2, 20165 Pages
Determination of selected heavy elements in Arabian oil ashes: a comparative study between ICP-MS, AA, INAA and EDXRF Abstract A large amount of oil ash is generated in Egypt and Saudi Arabia each year as an industrial waste. Most of these ash are landfill and often lead to a dispersion of heavy elements in the surrounding groundwater and soil. In many countries, like Egypt, little attention has been paid to the environmental effect of fly ash. In this study, the concentration of vanadium, nickel, iron, lead and zinc in oil fly and boiler ashes collected from six thermal power plants have been assessed with ICP-MS, AA, INAA and EDXRF. Samples were digested using different acid and alkali fusion methods. EDXRF were confirmed to be a technique of choice for the precise and accurate determination of the major elements in oil ashes. Three internal reference materials from oil ashes were prepared and used to examine the capabilities and validations of the method. Vanadium, nickel and iron content were found to be within the average worldwide value, while lead and zinc were significantly high in Egyptian oil Ash. Keywords Fly and Boiler ash; Egypt; KSA; ICP-MS; AA; INAA, EDXRF 1. Introduction Oil embargo in 1973 by the Organization of Petroleum Exporting Companies (OPEC) focuses attention on the energy crisis and results in increased demand for coal as a preferred fossil fuel alternative to oil in the United States, Europe, and much of the rest of the world. At that

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