5094
Ibrahim Said Shahhat Hassan
Geochemical Speciation and Enrichment of Toxic Heavy Metals in Nile Sediments and Soils in El-Tebbin Area, Egypt
special attention, heavy metals, Water, soil
The present study was carried out to determine the status of pollution of water, soil and Nile sediments in El Tebbin area. Water, soil and Nile sediments samples were analyzed and classified both in terms of chemical parameters and spatial distribution as well as statistical analysis. In this study, we gave a special attention to the binding of some heavy metals to the main fractions in soils, using five-step sequential extraction procedures. Mapping was made using topographic map; Global positioning system (GPS) and ArcGIS (9.2). Chemical analyses were carried out for the samples collected from different locations using the standard procedures recommended by APAH- 1994 and a flame atomic absorption spectrometer. Physical and chemical properties of surface water at El Tebbin area were quantified and evaluated for drinking, irrigation and industrial purposes. Different standard limits were used (WHO, EU and FAO) as well as numerical methods (WQI). Thestudied water at El Tebbin area was found to be unfit for drinking till simple and primary treatment. Water canals are suitable for major crops with minor degree of threat while Nile water is excellent for irrigation. All water samples require treatment for specific industries. Generally the studied samples showed no heavy metals pollution. Generally, spatial distribution of pH, EC and CaCO3 for soil showed that, the highest values are recorded eastward. Soil organic matter shows the highest values at the central pats of El Tebbin area with dense agricultural activities.
2015
Ph.d
Ain Shams
Science