Performances of sequential denitrification and partial nitrification process for treatment of landfill leachate

Ahmet Duyar,Kevser Cırık,Gökhan Civelekoglu,Vildan Akgül

doi:10.5505/pajes.2020.38093

Abstract

Performances of sequential denitrification and partial nitrification process for treatment of landfill leachate

Highlights

Landfill is the most commonly used method for the disposal of solid waste all over the world because of some advantages such as easy set-up and low cost compared to other disposal methods [1],[2]
This study aims at investigating the sequential denitrification and the partial nitrification performance of anoxic moving bed reactor (AnoxMBBR)-aerobic sequencing batch reactor (AeSBR) to remove ammonium-nitrogen from landfill leachate (LFL)
The results of this study suggest that use of sequential denitrification/partial nitrification is an effective way to remove chemical oxygen demand (COD) and ammonium from raw LFL additional treatment methods to this sequential system can be applied as pretreatment and/or post treatment for achieving the desired water quality because effluent total nitrogen (TN) and COD values are still not meet with the discharge standards of 40 mg N/L and 600 mg COD/L

Summary

Introduction

Landfill is the most commonly used method for the disposal of solid waste all over the world because of some advantages such as easy set-up and low cost compared to other disposal methods [1],[2]. The formation of landfill leachate (LFL), which produces by physiochemicalbiological decomposition of solid wastes and rainwater percolation through solid wastes, is the major disadvantage of this method [6]. Various physicochemical [14],[15] and biological treatment [16] methods have been extensively investigated for removing ammonium-nitrogen from LFL in literature [1]. Biological treatment methods have important advantages, such as; their cost effective, low sludge production capacity and ecofriendly nature [17],[18]. Activated sludge [16] Anommox [19], partial nitrification/denitrification [20], anoxic/oxic (A/O) process

Objectives

Methods

Results

Conclusion