短程硝化的影响因素及其耦合工艺的研究进展
郭凯成,刘文如,宋家俊,汪倩,沈耀良

Research progress on influencing factors of partial nitrification and its coupling process
Kaicheng GUO,Wenru LIU,Jiajun SONG,Qian WANG,Yaoliang SHEN
图4 PN-DPR工艺流程
Fig. 4 Technological process of PN-DPR