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- W77050229 abstract "The main objective of this research was to study the treatment of leachate generatedfrom sludge lagoons using anaerobic and aerobic processes. Two methods were used toseparate the sludge and leachate in sludge lagoons. The first method used a clay layerat the bottom of the lagoon. While, the second method used a filter media (sand andgravel) and underdrainage. The leachate was generated from four sets of tank withdifferent depths (0.375 m and 0.75 m of sludge).The quality of leachate was measured in tenns of BOD, COD, TSS, VSS, E-coli,ammonia, nitrate, TKN, phosphorus and heavy metal. The results showed that thequality of treated leachate from the sand tanks is better than that of clay tanks. Thepercentage of BOD, COD, TSS, VSS and E-coli removed for sand tanks ranged from96-97%, 95-96%, 95-97%, 94-96% and 99-99.5% respectively. While the percentagesof BOD, COD, TSS, VSS and E-coli in the clay tanks ranged from between 91-93%, 90-93%, 86-89%, 86-90% and 90-92% respectively. Results show that filtration usingsand and gravel is more effective in removing organic pollutant in leachate. Treatmentusing aeration tanks is effective in removing BOD, COD, TSS, VSS and E-coli. Thepercentage of removal of BOD, COD, TSS, VSS and E-coli were 95-96%, 96-97% and99% respectively using 1 day retention time.Kinetic studies were carried out using Monod equations In order to find kineticconstants such as half velocity, Ks, Yield, Y, maximum rate of substrate utilisation, K,microorganism decay, KI and maximum growth rate, !lm. In addition, a predictionmodel is also studied by using Monod equations." @default.
- W77050229 created "2016-06-24" @default.
- W77050229 creator A5062389145 @default.
- W77050229 date "2002-01-01" @default.
- W77050229 modified "2023-09-27" @default.
- W77050229 title "Treatment of Leachate Generated from Sewage Sludge Lagoon" @default.
- W77050229 hasPublicationYear "2002" @default.
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