Effect of Treated Wastewater Irrigation on Heavy Metals Distribution in a Tunisian Soil

descriptionPublicationkeyboard_double_arrow_right Article , Other literature type 21 Jun 2015Publisher:Engineering, Technology & Applied Science ResearchJournal:Engineering, Technology & Applied Science Research, volume 5, pages 805-810 (issn: 2241-4487, eissn: 1792-8036,

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Authors: Khawla Khaskhoussy; B. Kahlaoui; B. Messoudi Nefzi; O. Jozdan; A. J. Dakheel; Mohamed Hachicha;

doi: 10.48084/etasr.563 , 10.60692/vdfvh-3np81 , 10.60692/4rkvv-3px38 , 10.60692/3ayav-0ka72 , 10.5281/zenodo.18803 , 10.60692/fx7t0-44435

Effect of Treated Wastewater Irrigation on Heavy Metals Distribution in a Tunisian Soil

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Abstract

Treated wastewater (TWW) may contain toxic chemical constituents that pose negative environmental and health impacts. In this study, soil samples under treated wastewater irrigation were studied. For this purpose, six plots were made in an irrigated area in north of Tunisia and treated with two water qualities: fresh water (FW) and treated wastewater (TWW). Five soil depths were used: 0-30, 30-60, 60-90, 90-120 and 120-150 cm. The TWW irrigation increased significantly (P≤0.05) the soils’ EC, Na, K, Ca, Mg, Cl, SAR, Cu, Cd and Ni and had no significant (P ≤0.05) effect on the soils’ pH, Zn, Co and Pb contents. EC, Na, Cl, SAR, Zn and Co increased significantly with soil depth. The results for K, Ca, Mg, Cd, Pb and Ni exhibited similar repartition in different layers of soil. It was also shown that the amount of different elements in soil irrigated with fresh water (FW) were less compared with the control soil.

Related Organizations

National Research Institute of Rural Engineering, Water and Forests
Tunisia
Arab Center for the Studies of Arid Zones and Dry Lands
Syrian Arab Republic

Keywords

Wastewater Reuse and Management Practices, Tunisia, Environmental Impact of Heavy Metal Contamination, Environmental engineering, Wastewater, Mathematical analysis, Industrial and Manufacturing Engineering, Environmental science, soil, salinity, Engineering, Soil water, FOS: Mathematics, FOS: Electrical engineering, electronic engineering, information engineering, Electrical and Electronic Engineering, heavy metals, Irrigation, Biology, FW, Electrokinetic Soil Remediation Techniques and Applications, Soil Dewatering, Soil science, Distribution (mathematics), Fresh water, FOS: Environmental engineering, Hydrology (agriculture), Geology, FOS: Earth and related environmental sciences, Pollution, Water resource management, Agronomy, TWW, Geotechnical engineering, Chemistry, Soil test, Heavy metals, Environmental Science, Physical Sciences, Environmental chemistry, Mathematics, Animal science

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