Chloride distribution coefficient on strongly basic anion-exchange resin: Dependence on co-ion in alkali fluoride solutions

Heumann, Klaus G.; Baier, K.

doi:10.1007/bf02261888

Cited by 59 publications

(38 citation statements)

References 9 publications

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“…Heu mann et al [34] in the study of chloride distribution coefficient on strongly basic anion exchange resin observed that the selectivity coefficient between halide ions increased at higher electro lyte concentrations. Adachi et al [35] observed that the swelling pressure of the resin decreased at higher solute concentrations resulting in larger K d values.…”

Section: Comparati Ve Study Of Ion-isotopic Exchange Reactionsmentioning

confidence: 99%

Comparative Study of Strongly Basic Anion Exchange Resins Tulsion A-30 and Indion-820 by Application of 131I and 82 Br as a Tracer Isotopes

Singare¹

2013

CMATERIALS

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In the present investigation radioactive tracer isotopes 131 I and 82 Br were used to study the kinetics of iodide and bromide ion-isotopic exchange reaction. The kinetics study was performed to study the effect of ionic concentration and temperature on the specific reaction rate calculated in min -1 . Fro m the initial ionic concentration and knowing the value of specific reaction rate, the values of amount of ions exchanged in mmo l and percentage ion exchange were calcu lated. It was also observed that for both the resins, there exists strong positive co-relat ionship between amount of ions exchanged and concentration of ionic solution, while a strong negative co-relationship was observed between amount of ions exchanged and temperature of exchanging mediu m. The values of specific reaction rate, amount and percentage of ions exchanged so obtained for the ion-isotopic exchange reactions using strong base, nuclear grade anion exchange resin Tulsion A-30 and non-nuclear grade anion exchange resin Indion-820 were co mpared. It was observed that the above values calculated were higher for Tulsion A-30 as compared to that for Indion-820, indicating superior performance of Tu lsion A-30 under identical experimental conditions. The similar study on application of radioactive tracer isotopes can be extended further for performance assessment of different nuclear as well as non-nuclear grade ion exchange resins.

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Section: Comparati Ve Study Of Ion-isotopic Exchange Reactionsmentioning

confidence: 99%

Comparative Study of Strongly Basic Anion Exchange Resins Tulsion A-30 and Indion-820 by Application of 131I and 82 Br as a Tracer Isotopes

Singare¹

2013

CMATERIALS

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“…Heu mann et al [18] in the study of chloride distribution coefficient on strongly basic anion exchange resin observed that the selectivity coefficient between halide ions increased at higher electro lyte concentrations. Adachi et al [19] observed that the swelling pressure of the resin decreased at higher solute concentrations resulting in larger K d values.…”

Section: Comparati Ve Study Of Ion-isotopic Exchange Reactionsmentioning

confidence: 99%

Comparative Study of Indion-860 and Indion GS-400 Anion Exchange Resins by Application of 131I and 82 Br as a Tracer Isotopes

Singare¹

2012

AJFD

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The present investigation deals with the application of radioactive tracer isotopes 131 I and 82 Br for the performance assessment of two widely used industrial grade ion exchange resins Indion-860 and Indion GS-400. The study reveals that for both the resins, iodide ion-isotopic exchange reaction take place at the faster rate as compared to bromide exchange reaction. Also for both the resins the amount of ions exchanged increases with increase in ionic concentration and decreases with rise in temperature. The above resins were characterized based on kinetics of ion-isotopic exchange reactions. It was observed that the values of specific reaction rate, initial rate of exchange and distribution coefficient values calculated for Indion GS-400 was higher than that calculated for Indion-860 under identical experimental conditions, indicat ing the superior performance of Indion GS-400 over Indion-860.

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“…A number of researchers carried out equilibrium studies, extending over a wide range of composition of solution and resin phase . Attempts were also made to study the temperature effect on anion exchange systems [65][66][67][68][69][70][71][72][73] for computing the thermodynamic equilibrium constants. However very little work was carried out to study the equilibrium of cation exchange systems [50][51][52][53][54][55][56][57][58][59][60][61][62][63][64].…”

Section: Introductionmentioning

confidence: 99%

Study of Uni-Univalent H+/K+ and Uni-Bivalent H+/Mg2+ Ion Exchange Reactions Using Nuclear Grade Resin Indion-223

Singare¹,

Mohammed²,

Dixit

2014

ILCPA

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In the present paper the uni-univalent and uni-bivalent ion exchange reactions were investigated using nuclear grade anion exchange resin Indion-223 in H + form. For both H + /K + uni-univalet ion exchange reactions and H + /Mg 2+ uni-bivalet ion exchange reactions, the equilibrium constant K values increases from 0.01710 to 0.02374 and from 0.000177 to 0.000333 respectively as the reaction temperature rises from 35.0 °C to 45.0 °C. The increase in K values with temperature suggest endothermic ion exchange reactions having the enthalpy change values of 22.72 and 51.46 kJ/ mol respectively. The results of such studies will help in selection of suitable ion exchange resins in order to bring about efficient separation of different ionic species present in the waste water effluents released from nuclear as well as chemical process industries.

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Chloride distribution coefficient on strongly basic anion-exchange resin: Dependence on co-ion in alkali fluoride solutions

Cited by 59 publications

References 9 publications

Comparative Study of Strongly Basic Anion Exchange Resins Tulsion A-30 and Indion-820 by Application of <SUP>131</SUP>I and <SUP>82</SUP> Br as a Tracer Isotopes

Comparative Study of Strongly Basic Anion Exchange Resins Tulsion A-30 and Indion-820 by Application of <SUP>131</SUP>I and <SUP>82</SUP> Br as a Tracer Isotopes

Comparative Study of Indion-860 and Indion GS-400 Anion Exchange Resins by Application of <SUP>131</SUP>I and <SUP>82</SUP> Br as a Tracer Isotopes

Study of Uni-Univalent H<sup>+</sup>/K<sup>+</sup> and Uni-Bivalent H<sup>+</sup>/Mg<sup>2+</sup> Ion Exchange Reactions Using Nuclear Grade Resin Indion-223

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