International Journal of Sustainable Energy and Environmental Research

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Analysis of Physico-Chemical Properties and Bacteriological Loads of Waste Water Effluent from Oxidation Pond at Woldia University, North Wollo, Ethiopia

Pages: 100-107
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Analysis of Physico-Chemical Properties and Bacteriological Loads of Waste Water Effluent from Oxidation Pond at Woldia University, North Wollo, Ethiopia

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DOI: 10.18488/journal.13.2019.82.100.107

Gizachew Teshome , Yenus Abubaker , Hiwot Mengstie

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Gizachew Teshome , Yenus Abubaker , Hiwot Mengstie (2019). Analysis of Physico-Chemical Properties and Bacteriological Loads of Waste Water Effluent from Oxidation Pond at Woldia University, North Wollo, Ethiopia. International Journal of Sustainable Energy and Environmental Research, 8(2): 100-107. DOI: 10.18488/journal.13.2019.82.100.107
Rivers are vital component of the biosphere that contains less than one percent of the world’s fresh water which is being polluted by indiscriminate disposal of domestic and industrial waste sewerage. The purpose of this study was to analysis the level of heavy metals and physico-chemical characteristics of wastewater effluent from oxidation pond. Samples were collected per month starting from may2018 up to July2018. Three sampling ponds were selected purposefully among constructed 13 different size oxidation ponds and one site in waste receiver river. Samples were collected by triplicate in each sample sites and totally 12 sample sites were fixed. Some parameters like pH, Temperature, Conductivity, and Turbidity) were measured in situ. ICP-OES used for analysis heavy metal. XLSTAT version 2014.5.03 was applied for analysis and interpreting the relationship of each water quality parameters using one way ANOVA and Pearson correlation. This study shows Conductivity, pH, were showed highly significance difference among oxidation ponds while temperature showed non-significance difference (a<0.05). Sodium and potassium were found dominantly in all oxidation ponds and showed highly significance difference among sampling sites. The mean concentrations of heavy metals in the various stages of waste water treatment pond is not more polluted based on the WHO and FAO guidelines for different purpose. In general this study revealed that the treated wastewater effluent from oxidation pond is not relevant for human and livestock drinking rather than useable for irrigation purpose.
Contribution/ Originality
This study used to contributes in the existing literature to review environmental problem related with domestic, industrial and municipal waste management. This study shows limitation of wastewater treatment using oxidation pond. The primary contribution of this finding is to determine the quality of effluent wastewater to recommend better removal efficiency oxidation pond.