Department of Environmental Engineering,School of Metallurgy and Environment,Central South University,Changsha,410083,China;
National Engineering Research Centre for Control and Treatment of Heary Metal Pollution,Changsha,410083,China;
The Jiangxi Provincial Collaborative Research Institute for Environmental Protection Industry,Wannian,335500,China;
Jiangxi Gaia Environmental Science&Technology Co.,Ltd.,Shangrao,334000,China;
Department of Environmental Sciences,COMSATS University,Abbottabad,Pakistan;
Nitritation; Cu2+inhibition; Microbial structure; Haldane model; Kinetics;