Activated Carbon Promotes Sulfide to Promote Short-range Nitrification and Denitrification Sludge GranulationRui Zhang, Jingyu Li, Yanhui Liu, Guangping Wu, Xianqiu Li, Yanqing Yang and Jing WangE3S Web Conf., 185 (2020) 04035DOI: https://doi.org/10.1051/e3sconf/202018504035