Effect of wastewater treatment plant discharge on some of physical, chemical and bacteriological properties of Euphrates River near the center of Al -Nassyria city-South of Iraq.

BushraA.Al-Galiby,; Y. Al-Khafaji, Basim; HussianY.Al-Rekabi,

	Effect of wastewater treatment plant discharge on some of physical, chemical and bacteriological properties of Euphrates River near the center of Al -Nassyria city-South of Iraq.
JOURNAL OF THI-QAR SCIENCE
Article 1, Volume 4, Issue 1, 2014, Pages 3-16
Authors
; Basim Y. Al-Khafaji;
Abstract
The present study deal with measurement some physical ,chemical and bacteriological properties of Euphrates river such as(DO,BOD,TOC ,Cd,Cu,Ni,Pb,Zn ,Fecal coli bacteria) . samples collected from five stations in Euphrates river and wastewater treatment station near Al-Nassyria city center - south Iraq,during the period Autumn 2011 to summer 2012 .The result showed that dissolved oxygen value ranged between (0.06-10.75) ml/L, BOD5 were recorded (1.8-108) ml/L, TOC were recorded (0.95-4.99)%, total number of Fecal coli bacteria were recorded(350-10)cell/100ml .This study showed that the concentrations averages of Cd, Cu, Ni, Pb and Zn in dissolved phase in water were (0.23,0.72,2.05,2 and 5.1)/L,While there concentration in particulate phase were (4.08,18.8,11.3,22.07and 34.9)µg/g dry weight.The concentration in sediments were(3.18,21.4,37.5,68.8and 31.9)µg/g dry weight.some of these characteristics (dissolved oxygen ,biological oxygen demand ,fecal coli bacteria) were overcome the standard of the Iraqi rivers maintenance system , and the Iraqi and WHO standard for drinking,conclusion of this study that Wastewater treatment plant didn't decrease from pollution of pollutants in this study.

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