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Mass transfer at gas evolving electrodes with superposition of hydrodynamic flow

✍ Scribed by H. Vogt

Publisher
Elsevier Science
Year
1978
Tongue
English
Weight
336 KB
Volume
23
Category
Article
ISSN
0013-4686

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✦ Synopsis

Absirac-Mass

transfer at gas evolving electrodes with add&i&al major hydrodynamic liquid Row is influenced by two phenomena: effects directly resulting from the generated bubbles and effects by high liquid velocity parallel to the electrode surface. For the case of superposition of both mechanisms,

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Mass transfer at gas evolving electrodes
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To elucidate the mechanism af the mass transfer at a gas evolving electrode, the thickness of the diffusion layer 6 has been determined as a function of the volume rate of the gas evolution u, for both hydrogen and oxygen evolving electrodes in alkaline solution. The effect of electrode material, al

Mass transfer at horizontal gas-evolving
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The effect of H2 and O2 evolution on the mass transfer coefficiem of the reduction of K3Fe(CN)6 and the oxidation of &Fe(CN), at nickel electrodes was studied up to 105 mA/cm2. The relation between the rate of gas evolution and the mass transfer coefficient was found to be: and log K = a + 0.25 log