Relation of Space Velocity and Space Time Yield

Kodama, Shinjiro; Fukui, Kenichi; Mazume, Akira

doi:10.1021/ie50524a022

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2011

2022

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Cited by 23 publications

(14 citation statements)

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“…Each value of U( ) will have a corresponding value of , a dimensionless time parameter. On the basis of the Nernst-Planck equation, the numerical results can be expressed by explicit approximation [49][50][51]:…”

Section: Resultsmentioning

confidence: 99%

Determination of ion-exchange kinetic parameters for the poly-o-methoxyaniline Zr(IV) molybdate composite cation-exchanger

ALOthman¹,

Inamuddin²,

Naushad³

2011

Chemical Engineering Journal

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Section: Resultsmentioning

confidence: 99%

Determination of ion-exchange kinetic parameters for the poly-o-methoxyaniline Zr(IV) molybdate composite cation-exchanger

ALOthman¹,

Inamuddin²,

Naushad³

2011

Chemical Engineering Journal

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“…On the basis of the Nernst-Planck equation, the numerical results can be expressed by explicit approximation [38][39][40]:…”

Section: Resultsmentioning

confidence: 99%

Forward (M2+−H+) and reverse (H+−M2+) ion exchange kinetics of the heavy metals on polyaniline Ce(IV) molybdate: A simple practical approach for the determination of regeneration and separation capability of ion exchanger

ALOthman

Inamuddin

Naushad

2011

Chemical Engineering Journal

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“…Each value of U(τ) will have a corresponding value of τ, a dimensionless time parameter. On the basis of the Nernst-Planck equation, the numerical results can be expressed by explicit approximation [36][37][38]:…”

Section: Resultsmentioning

confidence: 99%

Ion-exchange kinetic studies for Cd(II), Co(II), Cu(II), and Pb(II) metal ions over a composite cation exchanger

Naushad

Mittal

Rathore

et al. 2014

Desalination and Water Treatment

238

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Explicit Nernst-Planck approximation is used to study the kinetics of H(I)-metal ion-exchange processes for ions having different effective diffusion coefficients, that is, for non-isotopic exchange process. Kinetic studies of four heavy metal ions (Cd 2+ , Co 2+ , Cu 2+ , and Pb 2+ ) of environmental importance on the surface of acetonitrile stannic(IV) selenite composite cation exchanger were carried out successfully. On the basis of kinetic studies, various physical parameters, that is, fractional attainment of equilibrium U(τ), self-diffusion coefficients (D o ), energy of activation (E a ), and entropy of activation (ΔS*) are estimated to evaluate the mechanism of ion exchange on the surface of composite ion-exchange material. The activation entropy and energy revealed that the greater degree and minimum energy was achieved during forward ion-exchange process. The results revealed that the kinetic studies are very important for the economic and industrial applications of ion-exchange materials.

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Relation of Space Velocity and Space Time Yield

Cited by 23 publications

References 0 publications

Determination of ion-exchange kinetic parameters for the poly-o-methoxyaniline Zr(IV) molybdate composite cation-exchanger

Determination of ion-exchange kinetic parameters for the poly-o-methoxyaniline Zr(IV) molybdate composite cation-exchanger

Forward (M2+−H+) and reverse (H+−M2+) ion exchange kinetics of the heavy metals on polyaniline Ce(IV) molybdate: A simple practical approach for the determination of regeneration and separation capability of ion exchanger

Ion-exchange kinetic studies for Cd(II), Co(II), Cu(II), and Pb(II) metal ions over a composite cation exchanger

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