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Topic: how can i avoid this reaction  (Read 3185 times)

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Offline aeacfm

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how can i avoid this reaction
« on: June 14, 2010, 12:19:36 PM »
in sea water electrolysis hydrogen produced at anod
so how can i avoid this reaction and force sulfate ion to reduced instead ?
is it possible or ... iam dreaming ?
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Offline hobobot

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Re: how can i avoid this reaction
« Reply #1 on: June 17, 2010, 04:38:52 PM »
use a very low current and don't use more voltage than you need. You'll still make some Hydrogen, but it will be minimal.
EDIT: See if you can find a textbook that talks about "hydrogen overvoltage." I can't seem to find anything at the moment.
« Last Edit: June 17, 2010, 04:56:17 PM by hobobot »
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Offline aeacfm

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Re: how can i avoid this reaction
« Reply #2 on: June 18, 2010, 11:18:44 AM »

thanks for reply
isnt it possible to use chemical to sweep hydrogen from the reaction ?
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