Effet de la minéralisation des eaux algériennes sur la chloration de bases organiques azotées
2014
Achour.S, Bacha.M
Séminaire International sur l'Hydrogéologie et l'Environnement SIHE 2013 Ouargla
Mostrar más [+] Menos [-]The presence of nitrogenous organic compounds in wastwater and surface waters is of environmental concern because many of them exert significant chlorine demand, while some produce complex stable mutagenic products upon chlorination or are precursors to haloform formation. The objective of this study is to observe the interaction of chlorine and nucleic bases uracil and guanine. Chlorination was applied to Algerian ground waters initially free of organic mater and residual chlorine. The resutls obtained show that the compounds tested remain very reactive towards chlorine whatever the mineralisation of the dilution media. However, the composition of the inorganic matrix, pH values and contact time seem to have effect on the chlorine consumption and formation of chlorination by- products.
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