A First Course in Ion Permeable MembranesElectrochemical Consultancy, 1997 - 255 pagine |
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Pagina 100
... ION EXCHANGE CAPACITY The ion exchange capacity is a measure of the number of fixed ionic groups per unit weight or per unit volume of the membrane polymer under specific conditions . In membrane science and technology , the ion exchange ...
... ION EXCHANGE CAPACITY The ion exchange capacity is a measure of the number of fixed ionic groups per unit weight or per unit volume of the membrane polymer under specific conditions . In membrane science and technology , the ion exchange ...
Pagina 101
Thomas A. Davis, J. David Genders, Derek Pletcher. ion permeable membranes , this seems to be the case . Moreover , with many ions , exchange is normally rapid , being complete within a few minutes . The ion exchange capacity is a ...
Thomas A. Davis, J. David Genders, Derek Pletcher. ion permeable membranes , this seems to be the case . Moreover , with many ions , exchange is normally rapid , being complete within a few minutes . The ion exchange capacity is a ...
Pagina 108
... Cation vs Cation The competition between cations for ion exchange sites within the membrane polymers is conveniently discussed in terms of ion exchange selectivity coefficients [ 44 ] defined by KM H + XM + CH + = XH + CM + ( 3.16 ) for ...
... Cation vs Cation The competition between cations for ion exchange sites within the membrane polymers is conveniently discussed in terms of ion exchange selectivity coefficients [ 44 ] defined by KM H + XM + CH + = XH + CM + ( 3.16 ) for ...
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A First Course in Ion Permeable Membranes Thomas A. Davis,J. David Genders,Derek Pletcher Visualizzazione estratti - 1997 |
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amine anion anion and cation anode anolyte applications aqueous domains aqueous solution back migration bipolar membrane carboxylate polymer cathode catholyte cation exchange membrane cation permeable membrane cell voltage charge Chem chemical chemistry chlor-alkali chlor-alkali industry chloride co-ions commercial membranes concentration conductivity counter ions crosslinking current density current efficiency depleting determined diffusion coefficient dilute divinylbenzene electrical Electrochem electrodialysis stack electrolyte solution Electrosynthesis equation equivalent weight example Figure fixed ionic groups fluorocarbon flux gradient H.L. Yeager H₂ H₂O Hence hydration increase interface ion exchange ion exchange capacity ion permeable membranes Ionomer layer manufacture membrane pairs membrane polymer Membrane Sci membrane surface metal mole molecules monomers NaCl Nafion NaOH Neosepta oxidation perfluorinated membranes perfluorinated polymers perfluorinated sulfonate pretreatment properties proton resistance salt splitting sodium hydroxide sodium sulfate species stability stream structure styrene/divinylbenzene copolymers sulfonate sulfonate polymer sulfuric acid temperature transport number water content