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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Steinmetz, H.
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (2/2 displayed)
- 2016Pilot-scale removal and recovery of dissolved phosphate from secondary wastewater effluents with reusable ZnFeZr adsorbent @ Fe<sub>3</sub>O<sub>4</sub>/SiO<sub>2</sub> particles with magnetic harvesting.citations
- 2013Phosphate recovery from wastewater using engineered superparamagnetic particles modified with layered double hydroxide ion exchangers.citations
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article
Pilot-scale removal and recovery of dissolved phosphate from secondary wastewater effluents with reusable ZnFeZr adsorbent @ Fe<sub>3</sub>O<sub>4</sub>/SiO<sub>2</sub> particles with magnetic harvesting.
Abstract
Advanced nanocomposite magnetic particles functionalized with ZnFeZr-adsorbent are developed, characterized and tested for the removal and recovery of phosphate directly from spiked secondary wastewater effluent (∼10 mg/L PO<sub>4</sub>-P). The phosphate loaded particles can be extracted from the liquid phase via magnetic separation, regenerated in a NaOH solution where phosphate desorption takes place, and reused in numerous cycles. Laboratory experiments demonstrate their reusability and stability in 60 consecutive adsorption/desorption runs where under optimal conditions > 90% total P-recovery efficiency is reached. In addition, pilot tests are performed to verify the proof-of-concept by upscaling the technology and maintain high efficiency of phosphate removal and recovery after treating 1.5 m<sup>3</sup> wastewater in 20 cycles. Effluent concentrations <0.05 mg/L PO<sub>4</sub>-P can be achieved in the treated wastewater. The reclaimed desorption solution is concentrated with phosphate ions through its repetitive application, attaining up to 38-times enrichment (∼380 mg/L PO<sub>4</sub>-P) compared to the initial concentration in wastewater. The P-rich eluate is used as a source for subsequent precipitation of a solid fertilizer product such as struvite.