- Struvite (MAP): Mg2+ + PO43− + NH4+ + 6H2O MgNH4PO4 · 6H2O(s)
- with a molar ratio: 1:1:1, under alkali conditions
- A common component of kidney stones in humans and animals.
- Spontaneous formation is common and can cause problems in WWTPs.
- Intentional precipitation in more than 40 full-scale installations worldwide (Schipper, 2019).
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