Leachate Treatment by using a Revolutionary MBBR system

Abstract

Leachate treatment is an environmental challenge to protect the environment from the pollution can caused by any leachate leakage. Many physical, biological and chemical treatment methods applied for leachate treatment. Coagulation and sedimentation process is an example for chemical-physical leachate treatment process. Biological treatment methods such as Sequential Batch Reactor (SBR), Activated Sludge (AS), Moving Bed Biofilm Reactor (MBBR) and Integrated Fixed-Film Activated Sludge (IFAS). The proposed leachate biological treatment method in this research is IFAS system due to the promising treatment effect. For increasing the efficiency of the selected system, the IFAS unit is preceded by a primary settling tank for decreasing the solid loading inside the treatment unit and also followed by final settling tank for eliminating the generated solids inside the treatment unit as end product of biological treatment. Three experiments were conducted together at three identical pilots. The first trial was applying 8-hour of aeration, the second trial was applying 12-hour of aeration and third trial was applying 12-hour of aeration with using nanoparticles additive (INNPT). A recycled agricultural waste represented in sugarcane bagasse perforated compressed blocks used as a fixed media inside the IFAS unit. The last treatment trial achieved the required target of reusing the treated effluent into irrigation purposes. The removal efficiency of COD, BOD, TSS, TKN and TP reach  96.00%, 97.01%, 90.98%, 85.56% and 77.88%.