Recovery of ammonia nitrogen and phosphorus frOm return flow by precipitation—flotation
Sun Tichang, Cui Zhiguang, Huang Guozhong, Li Wei, Chang Jiang, Jiang Guannan
INDUSTRIAL WATER TREATMENT . 2005, (3): 45 -48 .  DOI: 10.11894/1005-829x.2005.25(3).45