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Mass transfer at horizontal gas-evolving electrodes

โœ Scribed by M.G. Fouad; G.H. Sedahmed

Publisher
Elsevier Science
Year
1973
Tongue
English
Weight
328 KB
Volume
18
Category
Article
ISSN
0013-4686

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โœฆ Synopsis

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 Y for a HZ-evolving horizontal electrode log K = a + O-4 log V for an 02-evolving horizontal electrode.

Comparison was made between mass transfer coefficients at horizontal and vertical gas-evolving electrodes. Mass transfer coefficients at horizontal electrodes are much higher than at vertical electrodes.

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