P-control technologies for municipal wastewater are essentially based on “destructive” methods, that lead to formation of concentrated solid-phases (sludge), usually disposed-off in controlled landfills. Ion exchange, as a “non-destructive” technology, allows for selective removal and simultaneous recovery of pollutants, which can be recycled to the same and/or related productive lines. In this context, the REM NUT® process removes nutrient species (HPO4=, NH4+, K+) present in biologically oxidised municipal effluents and recovers them in the form of struvites (MgNH4PO4; MgKPO4), premium quality slow release fertilisers. The main limitation to the extensive application of this ion exchange based process is the non-availability of selective exchangers for specific removal of nutrient species. This paper illustrates laboratory investigation and pilot scale development of a so-called “P-driven” modified REM NUT scheme based on a new phosphate-selective sorbent developed at Lehigh University, PA, USA.
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Research Article|
July 01 2003
A new phosphate-selective sorbent for the Rem Nut(r) process. Laboratory investigation and field experience at a medium size wastewater treatment plant
D. Petruzzelli;
D. Petruzzelli
1Department of Civil and Environmental Engineering, II Faculty of Engineering, The Polytechnic University of Bari, 8, Viale del Turismo, 74100 Taranto, Italy (E-mail: [email protected])
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L. De Florio;
L. De Florio
1Department of Civil and Environmental Engineering, II Faculty of Engineering, The Polytechnic University of Bari, 8, Viale del Turismo, 74100 Taranto, Italy (E-mail: [email protected])
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A. Dell'Erba;
A. Dell'Erba
1Department of Civil and Environmental Engineering, II Faculty of Engineering, The Polytechnic University of Bari, 8, Viale del Turismo, 74100 Taranto, Italy (E-mail: [email protected])
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L. Liberti;
L. Liberti
1Department of Civil and Environmental Engineering, II Faculty of Engineering, The Polytechnic University of Bari, 8, Viale del Turismo, 74100 Taranto, Italy (E-mail: [email protected])
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M. Notarnicola;
M. Notarnicola
1Department of Civil and Environmental Engineering, II Faculty of Engineering, The Polytechnic University of Bari, 8, Viale del Turismo, 74100 Taranto, Italy (E-mail: [email protected])
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A.K. Sengupta
1Department of Civil and Environmental Engineering, II Faculty of Engineering, The Polytechnic University of Bari, 8, Viale del Turismo, 74100 Taranto, Italy (E-mail: [email protected])
*Department of Civil and Environmental Engineering, Lehigh University, 3, Packer Avenue, Bethlehem, PA, USA (E-mail: [email protected])
E-mail: [email protected]
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Water Sci Technol (2003) 48 (1): 179–184.
Citation
D. Petruzzelli, L. De Florio, A. Dell'Erba, L. Liberti, M. Notarnicola, A.K. Sengupta; A new phosphate-selective sorbent for the Rem Nut(r) process. Laboratory investigation and field experience at a medium size wastewater treatment plant. Water Sci Technol 1 July 2003; 48 (1): 179–184. doi: https://doi.org/10.2166/wst.2003.0048
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