Advantages
- High P recovery efficiency - up to 95%
- N recovery is achieved simultaneously
- Reduced P&N return loads
- Reduced operational costs as a result of scaling prevention
- Struvite is a slow-release fertilizer that can be used directly.
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Limitations
- Wastewater stream should have
- P concentration > 50 mg L-1 and
- SS concentration < 2000 mg L-1
- Incompatible with chemical P removal with Fe, Al salts
- Struvite is not yet authorized as fertilizer, but expected to be…
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