Numerical Simulations of SCR DeNOx System for a 660MW coal-fired power station Deng Yongqiang, Mei Zhongming, Mao Yijun, Liu Nianping and Yin Guoming E3S Web Conf., 38 (2018) 04009 Published online: 04 June 2018 DOI: 10.1051/e3sconf/20183804009