Contributions Methods Of Statistical Analysis Of Leachate From The Landfill Ouled Berjal (Kenitra, Morocco)
Mina Elmarkhi, Sanae Sadek, Khadija Elkharrim, Fatima Benelharkati, Driss Belghyti.
KEY WORDS: Leachate pollution, physico-chemical, the Ouled Berjal’s discharge Berjal, Kenitra, Morocco.
Abstract: In Morocco, the amount of household waste produced by the population now exceeds 0.75 kg per person and per day and is increasing, so Morocco became aware of the seriousness of the problem of solid waste and products that they generate. As part of a physico-chemical characterization of leachate from the landfill Ouled Berjal, Kenitra, we conducted from November 2011 to October to 2012 physico-chemical analyzes of leachates collected at the accumulation of leachate pond. Time tracking of the samples revealed the following results: Temperature varies between 26.01 and 20.03 ° C, the pH is voisinage neutrality, the electrical conductivity is through 24982.5 S / cm, salinity 13, 62 g / l, the turbidity is 16 September 9,66 NTU, BOD5 is medium 5000 mg O 2 / l, the COD is 24858.33 mg O 2 / l. The hardness leachate with means 1510.75 mg / l ; Va lue of NH4 + of leachate of 2005, 90 mg / l. The high values of chlorides coincide with high values of conductivities ; Na+ ion has an average of 3686.2 mg / l ; the average concentration of nitrates is 13.15 mg / l ; The average value of bicarbonate ion, is approximately 1009.95 mg / l. The application of principal component analysis for such a task could be beneficial. This is in view of such an application 17 that physico-chemical parameters from the analysis of water samples collected were analyzed. The principal component analysis applied to the data showed that the variables can be grouped into two main components. Also, the PCA showed a possible reduction in the number of dimensions without major loss of information. This reduction is even more interesting that the variables to be taken into account are 3 simple steps.According to this study, liquid'' and'' solid waste leachate discharge of ouled berjel releases are a real environmental impact mainly on the quality of surface water, groundwater, and soil.
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