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Magnesium ammonium phosphate formation, recovery and its application as valuable resources: a review
Author(s) -
Liu YingHao,
Kumar Sanjay,
Kwag JungHoon,
Ra ChangSix
Publication year - 2013
Publication title -
journal of chemical technology and biotechnology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.64
H-Index - 117
eISSN - 1097-4660
pISSN - 0268-2575
DOI - 10.1002/jctb.3936
Subject(s) - struvite , phosphate , fertilizer , environmental science , agriculture , road map , phosphate fertilizer , phosphorus , precipitation , wastewater , waste management , chemistry , engineering , environmental engineering , materials science , metallurgy , geography , cartography , organic chemistry , archaeology , meteorology
To address the issues of wastewater treatment and depleting phosphorus (P) resources, the present review focuses on the very wide interest in P recovery from wastewater, with scientific research underway in countries across the globe. The study describes the growing concern for diminishing P resources and then the chemical principle of magnesium ammonium phosphate ( MAP ) precipitation, factors influencing MAP crystallization, and various developments achieved through bench, pilot and full scale MAP reactors. A brief description is given of MAP purification and dissolution to economically exploit MAP as a phosphate and magnesium source. Experience in re‐use of recovered MAP as a sustainable agriculture fertilizer is discussed including pot and field trials. © 2012 Society of Chemical Industry
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