A First Course in Ion Permeable MembranesElectrochemical Consultancy, 1997 - 255 pagine |
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Pagina 101
... range 1.5 -2.5 mmoles of fixed ionic groups per gram of dry membrane polymer . For the perfluorinated membranes , the ionic exchange capacities are significantly lower , commonly ≈ 0.85 mmol g1 , although they have been fabricated over ...
... range 1.5 -2.5 mmoles of fixed ionic groups per gram of dry membrane polymer . For the perfluorinated membranes , the ionic exchange capacities are significantly lower , commonly ≈ 0.85 mmol g1 , although they have been fabricated over ...
Pagina 137
... range . Although there have been some recent attempts to model ion transport within the membrane during electrolysis ... range 20 - 35 % NaOH , that the transport number increases , then passes through a maximum before falling off ...
... range . Although there have been some recent attempts to model ion transport within the membrane during electrolysis ... range 20 - 35 % NaOH , that the transport number increases , then passes through a maximum before falling off ...
Pagina 193
... range of 2 to 3 to cover the costs of auxiliary equipment and installation . To estimate power consumption one should use a membrane - pair voltage in the range of 0.5 to 1 V. Figure 4.21 compares the cost of electrodialysis for ...
... range of 2 to 3 to cover the costs of auxiliary equipment and installation . To estimate power consumption one should use a membrane - pair voltage in the range of 0.5 to 1 V. Figure 4.21 compares the cost of electrodialysis for ...
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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 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 exchange polymer 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