“…(1)). Many studies have been conducted to investigate the anammox process in various configurations, and these studies have revealed distinct reactor performances (Strous et al, 1998;Jin et al, 2013a;Abbas et al, 2015;Yang et al, 2015). Recent years, anammox process has been applied in full-scale treatment of ammonium-rich wastewater such as sludge digested liquor (van der Star et al, 2007;Joss et al, 2009;van Hulle et al, 2010) and landfill leachate .…”