Abstract
NO3 -/C1-, SO4 -/C1- and HCO3 -/C1- selectivity coefficients of strong base anion exchange resins having trimethyl ammonium or triethyl ammonium functional groups and varying in total exchange capacity, moisture and porosity, were determined.
Both the NO3 -/C1- and the SO4 -/C1- selectivity coefficients were found to depend on the type of functional groups and the moisture of the gel polymer phase (not the overall moisture content of the resin). The SO4 -/C1- coefficient also depended on the total weight capacity.
A computer program was developed which calculates the effluent concentration histories as a function of the equilibrium separation factors. Good agreement was found between experimental data and calculated values when separation factors were used as functions of the resin composition.
By using this computer program, NO3 - removing capacities were calculated as a function of resin parameters such as moisture, porosity and total volume exchange capacity. The parameters giving maximum removal of N03 - are indicated.
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© 1992 United Kingdom Atomic Energy Authority
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Tebibel, P., Zaganiaris, E. (1992). Nitrate Removal from Water: The Effect of Structure on the Performance of Anion Exchange Resins. In: Slater, M.J. (eds) Ion Exchange Advances. Springer, Dordrecht. https://doi.org/10.1007/978-94-011-2864-3_6
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DOI: https://doi.org/10.1007/978-94-011-2864-3_6
Publisher Name: Springer, Dordrecht
Print ISBN: 978-1-85166-882-3
Online ISBN: 978-94-011-2864-3
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