3SCHIPPER W J, KLAPWIJK A. Phosphate recycling in the phosphorus industry [J ]. Environ. Technol. , 2001, 22 (4):1337-1345.
4OHLINGER K N,YOUNG T M,SCHROEDER E D. Predicting struvite formation in digestion[J]. Wat. Res. , 1998, 32 (12) :3607-3621.
5YETILMEZSOY K,SAPCI ZENGIN Z. Recovery of ammonium nitrogen from the effluent of UASB treating poultry manure watewater by MAP precipitation as a slow release fertilizer[J]. Journal of Hazardous Materials 92009,166(7) : 260-269.
6STRATFUL I, SCRIMSHAW M D, LESTER J N. Conditions influencing the precipitation of magnesium ammonium phosphate[J]. Wat. Res. ,2001,35(17) :4191-4199.
7KATSUURA H. Phosphorus from wastewater[J].Phosphorus Potassium, 1992,182 ( 1 ) : 33-34.
8LEE S I, WEON S Y, LEE C W, et al. Removal of nitrogen and phosphate from wastewater by addition of bittern[J]. Chemosphere, 2003,51 (4) : 265-271.