A first course in ion permeable membranesElectrochemical Consultancy, 1 ott 1997 - 255 pagine |
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Pagina 105
The estimation of cyZ- from equation (3.13) requires the solution of a quadratic
equation, but the ratio cY- / cyi- can be seen to increase with the concentration of
the anion (therefore concentration of electrolyte) in solution and decrease as the
...
The estimation of cyZ- from equation (3.13) requires the solution of a quadratic
equation, but the ratio cY- / cyi- can be seen to increase with the concentration of
the anion (therefore concentration of electrolyte) in solution and decrease as the
...
Pagina 106
Table 3.8 Water contents and absorbed NaOH concentrations (based on the
volume of water in the pores) within perfluorinated polymers with equivalent
weights of 1200. T= 363 K (data taken from ref 36). -SO3 -COO It is, however,
instructive ...
Table 3.8 Water contents and absorbed NaOH concentrations (based on the
volume of water in the pores) within perfluorinated polymers with equivalent
weights of 1200. T= 363 K (data taken from ref 36). -SO3 -COO It is, however,
instructive ...
Pagina 185
Thomas A. Davis, J. David Genders, Derek Pletcher. mathematical model will be
used to show the quantitative aspects of concentration polarisation and explain
the important concept of "limiting current density". It was shown in figure 4.1 that ...
Thomas A. Davis, J. David Genders, Derek Pletcher. mathematical model will be
used to show the quantitative aspects of concentration polarisation and explain
the important concept of "limiting current density". It was shown in figure 4.1 that ...
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Sommario
THE SYNTHESIS AND STRUCTURE | 35 |
THE PHYSICAL CHEMISTRY OF | 77 |
ELECTRODIALYSIS | 155 |
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A first course in ion permeable membranes Thomas A. Davis,J. David Genders,Derek Pletcher Visualizzazione frammento - 1997 |
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amine anion anion and cation anode anolyte applications aqueous domains aqueous solutions back migration bipolar membrane brine 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 electrolytic cells Electrosynthesis equation equivalent weight example Figure fixed ionic groups fluorocarbon flux gradient H.L. Yeager Hence hydration increase interface 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 polymerisation 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