Read full paper at: http://www.scirp.org/journal/PaperInformation.aspx?PaperID=47889#.VEdE4lfHRK0 Author(s) Ibrahim Y. El-Nahhal , Husam Al-Najar , Yasser El-Nahhal Affiliation(s) Faculty of Civil Engineering, The Islamic University Gaza, Gaza, Palestine . Faculty of Civil Engineering, The Islamic University Gaza, Gaza, Palestine . Faculty of Science, The Islamic University Gaza, Gaza, Palestine . ABSTRACT This paper determined cations and anions concentrations, Total Kjeldahl Nitrogen (TKN), and heavy metals content in sewage sludge collected from the drying beds of wastewater treatment plant in Gaza. The aim was to test the possibility of using this sewage sludge as an alternative source of mineral fertil...
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