A First Course in Ion Permeable MembranesElectrochemical Consultancy, 1997 - 255 pagine |
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Pagina 28
... Pretreatment To some extent , membranes have a memory of their previous history . Hence , it is reasonable to expect that the membrane will require a period before reaching equilibrium when placed in a new environment . This may involve ...
... Pretreatment To some extent , membranes have a memory of their previous history . Hence , it is reasonable to expect that the membrane will require a period before reaching equilibrium when placed in a new environment . This may involve ...
Pagina 190
... pretreatment to eliminate the fouling material from the feed before it enters the electrodialysis stack . Pretreatment processes that are often applied include filtration , ultrafiltration , floculation , precipitation , ion - exchange ...
... pretreatment to eliminate the fouling material from the feed before it enters the electrodialysis stack . Pretreatment processes that are often applied include filtration , ultrafiltration , floculation , precipitation , ion - exchange ...
Pagina 192
... pretreatment is more cost effective than attempts to moderate their damage to the membranes [ 28 ] . In fact , the extent of pretreatment in EDR plants would likely make the water acceptable for convention electrodialysis [ 26 ] . 4.10 ...
... pretreatment is more cost effective than attempts to moderate their damage to the membranes [ 28 ] . In fact , the extent of pretreatment in EDR plants would likely make the water acceptable for convention electrodialysis [ 26 ] . 4.10 ...
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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