Effect of lower temperature on performance of upflow microaerobic sludge reactor treating manure-free piggery wastewater with high NH4+-N and low COD/TN ratio
HE Jiamin, MENG Jia, ZHANG Yong, LI Jianzheng
CIESC Journal . 2017, (5): 2074 -2080 .  DOI: 10.11949/j.issn.0438-1157.20161733