The objective of this research was to investigate the variation water quality parameters at different depths Gilgel Gibe I reservoir in Oromia Jimma zone during wet seasons. Five stations within were selected, and determined four (surface, 5 m, 10 15 m). Water analyzed on-site using a HACH, HQ40d portable multi-meter, turbidity measured Wag tech meter laboratory standard method. Comparison amon...

Treatment of oilfield produced water was investigated using an anaerobic process coupled with micro-electrolysis (ME), focusing on changes in chemical oxygen demand (COD) and biodegradability. Results showed that COD exhibited an abnormal change in the single anaerobic system in which it increased within the first 168 hr, but then decreased to 222 mg/L after 360 hr. The biological oxygen demand...

When it comes to exploiting natural resources, islands have limitations due the quantity of these resources and potential for harm ecosystem if exploitation is not done in a sustainable manner. This article presents study water footprint different drinking collection facilities wastewater treatment Canary Islands, order determine blue, green, grey footprints each case. The results show high per...

Biochemical Oxygen Demand (BOD) is a measure of the oxygen used in bacteria mediated oxidation of organic substances in water and wastewater. Theoretically an infinite time is required for complete biochemical oxidation of organic matter, but the measurement is made over 5-days at 20 C or 3-days at 27 C test period with or without dilution. Researchers have worked to further reduce the time of ...

The wastewater discharged by poultry slaughterhouse industries are characterized mainly by high biochemical oxygen demand, high suspended solids and complex mixture of fats, proteins and fibers requiring systematic treatment prior to disposal. In this study, the performance of an upflow anaerobic filter reactor for treating Indian poultry slaughterhouse wastewater under low upflow velocity of 1...

Dewatered alum sludge, a widely generated by-product of drinking water treatment plants using aluminium salts as coagulants was used as main substrate in a pilot on-site constructed wetland system treating agricultural wastewater for 11 months. Treatment performance was evaluated and spreadsheet analysis was used to establish correlations between water quality variables. Results showed that rem...