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CW is designed based on natural processes involving complex and concerted interactions between the plants, the substrate and the inherent microbial community to accomplish wastewater treatment in a more controlled and predictable manner through physical, chemical and biological processes While CW have a proven effectiveness , little work has been done in developing countries including Ethiopia where the concept of CW for wastewater treatment is still a relatively new idea. Therefore, the main objective of this study was to evaluate the treatment performance of CW as an alternative municipal...

Today energy consumption and demand are growing up all over the world and most of the resources used like petroleum, natural gas, coal are not sustainable sources of energy. The combustion of these traditional energy sources creates greenhouse gases which causes global warming. The problems arising from non sustainable use of energy sources have led to increased awareness and widespread research on the accessibility of new and renewable energy resources and technologies. Biogas is one of the most efficient and effective options among the various other alternative sources of renewable energy...