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UNIVERSITY OF BUCHAREST
FACULTY OF PHYSICS Guest
2024-11-22 2:33 |
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Conference: Bucharest University Faculty of Physics 2021 Meeting
Section: Nuclear and Elementary Particles Physics
Title:
Atomic spectrometry techniques applied in the analysis of the spectrum of chemical pollutants in the sludge resulting from urban wastewater treatment. Statistical interpretation.
Authors:
Narcis Mihai TĂNASE(1,2) , Georgian Alin BĂRBOIU(1,2), Ion V. POPESCU(1,3,4), Cristiana RADULESCU (1,2,3)
*
Affiliation:
1) University of Bucharest, Doctoral School of Physics, Bucharest.
2) Water Company of Targoviste, Targoviste.
3) Valahia University of Targoviste, Faculty of Sciences and Arts, Targoviste.
4) Academy of Romanian Scientists, Bucharest.
E-mail
tanase_narcis_mihai@yahoo.com
Keywords:
sludge, waste water, AAS, water content
Abstract:
The dynamic process of environmental pollution, both naturally and through anthropogenic activities, requires the establishment of scientific methods for assessment and analysis of pollutants. The category of the main environmental pollutants also includes chemical elements (heavy metals - conventionally considered chemical elements with a density greater than 5 kg / dm3) whose concentrations exceed the maximum permitted limits for each of the chemical elements in the environment, thus becoming harmful to health human.
The concentrations of heavy polluting metals can be determined with priority by Atomic and Nuclear Methods (MAN), of high sensitivity and precision, combined with the biomonitoring technique using bioindicators.
One of the most widely used methods of atomic and nuclear (MAN) analysis of heavy metals is atomic absorption spectrometry (Atomic Absorption Spectrometry), applied in conjunction with the bioindicator technique used to monitor environmental pollution.
By applying the method of atomic absorption spectrometry (AAS) in the analysis of the elemental composition, some heavy metals were determined from the sludges resulting from the urban water treatment in Târgoviște, on these results the statistical analysis was performed. We used the correlations of Pearson, Kendall’s, Spearman and the analysis of the main components combined with the Varimax rotation method with Kaiser normalization.
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