Design of Sewage Treatment Plant for CBN Housing Estate Trans-Ekulu Enugu Nigeria

Abstract

CBN quarters Trans-Ekulu, Enugu has been upgraded to Housing Estate status, the steady increment in the Estate population results to the increase in domestic sewage generation. Presently there is no sewage treatment plant, so, it is required to construct a sewage treatment system with sufficient capacity to treat the increased sewage generation. The project deals with the design of the sewage treatment plant and its major units such as inlet chamber, grit chamber, comminutor, primary settling tank, trickling filter, secondary sedimentation tank, sludge digester and sludge drying bed for the Housing Estate. It also involves the sizing of each components of the treatment plant. The project takes into cognizance the housing estate size in land mass, number of housing units, residents’ population and finally it is designed to serve the housing estate for the next 30 years as the residents’ population increases. CBN Housing Estate Enugu is a residential estate and is at a distance of 7 km North East of 82 DIV. Enugu and 5 km south of School of Dentistry, Enugu. With regards to the housing Estate, almost the entire area and environment are plain and the general slope is from West to East. The estate is located at the latitude of N06° 28.669’ (N06.48°) and longitude of E 007° 29.808’ (N007.50°). The soil of the area is gravel and a large proportion of sandy-gravel. All the aspects of the Estate’s climate, and topography, its population growth rate are will all considered while designing the project. By the execution of the project, the entire sewage of the Housing Estate can be treated effectively and efficiently.