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Estimation of phosphorus recovery by struvite crystallization from animal manure wastewater in China

Fang C., Zhang T., Czechowska-Kosacka A., Pawlowski A., Łagód G., Jiang R., Wang Q.

Environment Protection Engineering

2015

Vol. 41, nr 4

195--207

Intensive farming is main industry which produces large amount of animal manure wastewater with high content of phosphorus. Its discharging to surface water leads to eutrophication. On the other hand, phosphorus is vital for plant growth and its natural reserves are rapidly exhausted. Therefore, recovering phosphorus from animal manure wastewater can achieve two important goals: prevention of eutrophication and recovery of non-renewable phosphorus compounds. The method of struvite precipitation has been presented for phosphorus recovery from animal manure wastewater. Based on scenario study, 8.76 million tons of struvite could be produced from animal manure wastewater in China.