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Modification of a natural zeolite with Fe(III) for simultaneous phosphate and ammonium removal from aqueous solutions

Autor
Guaya, D.; Valderrama, C.; Farran, A.; Cortina, J.
Tipus d'activitat
Article en revista
Revista
Journal of chemical technology & biotechnology
Data de publicació
2016-06-01
Volum
91
Número
6
Pàgina inicial
1737
Pàgina final
1746
DOI
https://doi.org/10.1002/jctb.4763 Obrir en finestra nova
Repositori
http://hdl.handle.net/2117/96708 Obrir en finestra nova
URL
http://onlinelibrary.wiley.com/doi/10.1002/jctb.4763/suppinfo Obrir en finestra nova
Resum
BACKGROUND: The incorporation of Fe(III) was performed in a natural clinoptilolite (Z-N) for simultaneous phosphate and ammonium removal. RESULTS: The existence of hydroxyl groups (congruent to Fe-OH) in the iron zeolite (Z-Fe) enhances the phosphate uptake from 0.6 +/- 0.1 mg-P g(-1) in Z-N to 3.4 +/- 0.2 mg-P g(-1) in Z-Fe. However, the ammonium sorption capacity slightly decreases from 33 +/- 2 mg-N g(-1) in Z-N to 27 +/- 2 mg-N g(-1) in Z-Fe. The equilibrium and kinetics sorption were well e...
Citació
Guaya, D., Valderrama, C., Farran, A., Cortina, J. Modification of a natural zeolite with Fe(III) for simultaneous phosphate and ammonium removal from aqueous solutions. "Journal of chemical technology and biotechnology", 1 Juny 2016, vol. 91, núm. 6, p. 1737-1746.
Paraules clau
Adsorbent, Adsorptive removal, Ammonium, Clinoptilolite, Coal fly-ash, Eutrophic waters, In-situ, Iron, Kinetic, Modified clinoptilolite, Phosphate, Rich tuffs, Sorption, Swine waste-water
Grup de recerca
CRnE - Centre de Recerca en Ciència i Enginyeria Multiescala de Barcelona
R2EM - Resource Recovery and Environmental Management

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