A First Course in Ion Permeable MembranesElectrochemical Consultancy, 1997 - 255 pagine |
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Pagina 169
... nickel [ 11 ] . The reduction of nickel ions to metallic nickel is driven by the oxidation of hypophosphite to phosphite . But the accumulation of phosphite in the plating tank causes deterioration in the quality of the plating , so the ...
... nickel [ 11 ] . The reduction of nickel ions to metallic nickel is driven by the oxidation of hypophosphite to phosphite . But the accumulation of phosphite in the plating tank causes deterioration in the quality of the plating , so the ...
Pagina 204
... nickel or iron on a bed of graphite spheres is used . This mercury cell process is still widely practised today with almost 48 % of the world production of chlorine and sodium hydroxide being manufactured via this route . The main ...
... nickel or iron on a bed of graphite spheres is used . This mercury cell process is still widely practised today with almost 48 % of the world production of chlorine and sodium hydroxide being manufactured via this route . The main ...
Pagina 214
... nickel electrodes can be replaced with electrodes that have platinum group metals coated on nickel substrates . The major problem with these electrodes is a tendency for the overpotential to increase with time . This is thought to occur ...
... nickel electrodes can be replaced with electrodes that have platinum group metals coated on nickel substrates . The major problem with these electrodes is a tendency for the overpotential to increase with time . This is thought to occur ...
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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