A First Course in Ion Permeable MembranesElectrochemical Consultancy, 1997 - 255 pagine |
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Pagina 208
... current efficiency for the process . The membrane will typically contribute≈ 300 mV to the overall cell voltage of 2.95 V. Even small improvements in the conductivity of the membrane can result in significant cost savings . For example ...
... current efficiency for the process . The membrane will typically contribute≈ 300 mV to the overall cell voltage of 2.95 V. Even small improvements in the conductivity of the membrane can result in significant cost savings . For example ...
Pagina 216
Thomas A. Davis, J. David Genders, Derek Pletcher. Membrane cells currently produce high quality products ; the 32 % NaOH is produced with a current efficiency > 95 % and typically contains < 20 ppb Cl while the chlorine current efficiency ...
Thomas A. Davis, J. David Genders, Derek Pletcher. Membrane cells currently produce high quality products ; the 32 % NaOH is produced with a current efficiency > 95 % and typically contains < 20 ppb Cl while the chlorine current efficiency ...
Pagina 221
... current efficiency for production of sodium hydroxide . The back migration of protons across anion exchange membranes is well known and several manufacturers have developed membranes specifically designed to minimise this leakage . The ...
... current efficiency for production of sodium hydroxide . The back migration of protons across anion exchange membranes is well known and several manufacturers have developed membranes specifically designed to minimise this leakage . 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