9Zhang, J, Cao X S, Meng X Z. Sustainable urban sewerage system and its application in China [J].Resources,Conservation and Recycling,2007,51 (2):284-293.
10Aiyuk S, Amoako J, Raskin L, et al. Removal of carbon and nutrients from domestic wastewater using a low investment, integrated treatment concept [J].Water Research,2004,38 (13): 3031-3042.
