Abuja WWTP – Nigeria
Abuja, Nigeria
Background
This WWTP serves the city of Abuja, the capital of the federal republic of Nigeria. At first phase of construction the plant designed to serve a population of 700,000.
Balasha-Jalon prepared general and detailed design including process, civil, mechanical, electrical and control engineering and general construction supervision.
Basic Design Data
Average Design Flow
131,200
m3/day
Average B.O.D. Load
66,000
Kg/day
Effluent Quality
15/20/10
BOD/TSS/N
Liquid Process and Facilities
Main Process
- B.N.R. Activated Sludge, low f/m. (High S.R.T.)
Facilities
- 3 Archimedes pumps 2.4 m diameter
- Coarse screens
- Fine screens
- Grit removal
- Oxidation ditches with 72mammoth rotor aerators – 3500 KW
- Final clarifires
- U.V. disinfection of effluent
- Effluent are discharged to the river Wupa
Sludge Process and Facilities
Main Process
- Aerobic Stabilization
Facilities
- Stabilization within reactors (High S.R.T.)
- Sludge tank
- G.B.T. units for thickening
- Earth lagoons for dewatering