Journal of New Technology and Materials
Volume 10, Numéro 2, Pages 70-78
2020-12-24

Assessment Of Surface Water Quality In The Beni Haroun Dam Algeria Using X-ray Fluorescence Spectrometry After Preconcentration



Authors : Aouati Mohamed Khelil . Laidoudi Mouloud . Cheurfi Wassila . Baghriche Abdelfeteh . Bougherara Hassina . Kebabi Brahim .

Abstract

X-ray fluorescence spectrometry after preconcentration of the water of Beni Haroun dam (BHD), Mila, Algeria. Has carried out with two different methods which yielded the contents as following Na, Mg, Al, Si, P, S, Cl, K, Ca, Ti, V, Cr, Mn, Fe, Ni, Cu, Zn, Ga, As, Se, Br, Rb, Sr, Y, Zr, Mo, Cd, Ba and Pb. The first method is preconcentration at evaporation temperature (PET), this method based on the recovery of limestone, and it is simple and cheaper. Whereas the second preconcentration method is based on the absorption of cations on Amberlite XAD -7 resin (AXAD-7R). The effect of certain parameters such as pH, temperature, conductivity, Nitrate dosage, chemical oxygen demand (COD) and limit of detection has been studied. The detection limits were reached for Na, Mg, Al, Si, P, S, Cl, K, Ca, Ti, Mn, Fe, Zn, As, Br, Sr, Zr, In and Ba, during the four seasons of the year 2018. In this Water, the X-ray diffraction analysis showed the existence of the following phases: Calcium Carbonate Hydrate: CaCO3 H2O, Sodium Chloride NaCl and silicon dioxide SiO2. The principal component analysis (PCA) has been studied. The matrix of correlation between trace element and the PCA indicates that they come from similar sources. This explains the anthropogenic contributions of agricultural pollution by runoff water, discharges of domestic water and soil erosion. Regular monitoring of heavy metals in Beni Haroun dam water has recommended avoiding any risk of excessive accumulation.

Keywords

trace elements; ; Beni Haroun dam; ; X-Ray Fluorescence (XRF); ; Limestone; ; Amebrlite XAD -7resin; ; principal component analysis (PCA).

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