composed of clay, phosphors and oil and grease which are potential to cause harm to aquatic life, give way to invasive spices and gradually dead water bodies. Garage wastewater discharge and spillage is wide spreading ...

Traditionally, design engineers tend to be conservative in calculating pump station decision variables by focusing on peak demands that occur about1% of the time. On the other hand, optimal design and operation of pumping ...

This paper describes a novel method based on genetic algorithms (GA) to solve the facilities re–configuration problem. Developing a proper floor layout is an important step in designing manufacturing facilities due to ...

The traditional three-stone fire is used in many households in rural areas of developing countries. These open fires are very inefficient at converting energy into heat for cooking. In order to improve energy security in ...

The Ajima Dam is located mainly at Kita alegn Kebele, Angolelana tera Woreda of North Shewa Zone in the Amhara Region. At an altitude of about 2806m a.m.s.l, with 45.5 m height and dam crest length of 377m. Although dams ...

Soil erosion is a common land degradation problem and has causing great damage on natural ecosystems and human life. Therefore, this study aims to asses land use/land cover change and the associated impacts on soil erosion ...

Road traffic accidents have been recognized as one of those adverse elements which contribute to the suffocation of economic growth in the developing countries, due to the heavy loss related to them, hence causing social ...

In this study, HEC-ResSim model was used to simulate operation of existing hydraulic infrastructure, and major irrigation schemes in the Eastern Nile river basin and the new hydraulic infrastructure (GERDP).The main ...

Sand has been used for long time to treat greywater. However, biochar might be an alternative to replace the sand for greywater treatment and also reduce the amount of organic waste disposed into the environment. In this ...