A First Course in Ion Permeable MembranesElectrochemical Consultancy, 1997 - 255 pagine |
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Pagina 87
... ionic group 6- -SO , polymer decreasing equivalent weight 4 . -COO polymers 2 T 0.6 1.2 1.8 ion exchange capacity / -1 mmole g1 of dry polymer Figure 3.2 Variation of the water content with ion exchange capacity for perfluorinated ...
... ionic group 6- -SO , polymer decreasing equivalent weight 4 . -COO polymers 2 T 0.6 1.2 1.8 ion exchange capacity / -1 mmole g1 of dry polymer Figure 3.2 Variation of the water content with ion exchange capacity for perfluorinated ...
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
... ionic exchange capacity will depend on the ratio of substituted to unsubstituted fluoroethylenes in the polymer chain and to a lesser extent on the length of the sidechains . Hence , the ion exchange capacity is controlled by the ...
... ionic exchange capacity will depend on the ratio of substituted to unsubstituted fluoroethylenes in the polymer chain and to a lesser extent on the length of the sidechains . Hence , the ion exchange capacity is controlled by the ...
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A First Course in Ion Permeable Membranes Thomas A. Davis,J. David Genders,Derek Pletcher Visualizzazione estratti - 1997 |
Parole e frasi comuni
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