A First Course in Ion Permeable MembranesElectrochemical Consultancy, 1997 - 255 pagine |
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Pagina 177
... steel . This first commercial use of bipolar membranes began operations in 1987 at Washington Steel in Pennsylvania . Figure 4.16 illustrates the process . Spent pickling acid is neutralised with KOH to precipitate the heavy metals ...
... steel . This first commercial use of bipolar membranes began operations in 1987 at Washington Steel in Pennsylvania . Figure 4.16 illustrates the process . Spent pickling acid is neutralised with KOH to precipitate the heavy metals ...
Pagina 179
... steel is the most common cathode material . At the anode , the reaction is usually 2H2O - 4e O2 + 4H + ( 4.5 ) The anode must be stable to corrosion in the electrolyte and for this reason platinum is still the most common anode material ...
... steel is the most common cathode material . At the anode , the reaction is usually 2H2O - 4e O2 + 4H + ( 4.5 ) The anode must be stable to corrosion in the electrolyte and for this reason platinum is still the most common anode material ...
Pagina 204
... steel or coated steel cathode where hydrogen and sodium hydroxide are produced in the reaction 2H2O + 2e H2 + 20H ( 5.12 ) Cl2 + diluted brine cation NaOH ( 32 % ) 204.
... steel or coated steel cathode where hydrogen and sodium hydroxide are produced in the reaction 2H2O + 2e H2 + 20H ( 5.12 ) Cl2 + diluted brine cation NaOH ( 32 % ) 204.
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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