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Question about Chlorate Cell and Peroxide

I am electrolyzing saltwater to make sodium chlorate. Would adding hydrogen peroxide work to speed up the reaction? I added a little bit to see what would happen and it violently fizzed.

9 answers
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Sep 27, 2009. 7:47 PMRo]x[as says:
Unfortunately, this type of cell can also produce sodium hypoclorite depending on the conditions. To form sodium chlorate, you need to use a saturated brine solution, heat the solution to almost boiling, and bring the solution to an acidic pH. The sodium hypochlorite from the cell can be reduced using hydrogen peroxide and heating. This is, of course an industrial process, far from my chemical specialty and I don't know how well it can be adapted for the hobbyist. There is some more detailed information here: http://electrochem.cwru.edu/encycl/art-b01-brine.htm , but it is quite technical.
Jan 11, 2011. 4:44 PMjpoopdog says:
what i do is get some hydrochloric acid, and use that to convert any sodium hydroxide that forms, back into sodium chloride, then run the lot through electrolysis again, and again, basically using the hydrochloric acid as a chlorine donor to replenish the lost chlorine.

though, i hear if the reaction is kept at a toasty 80 degrees celcius, the sodium hydroxide will instantly react with any chlorine bubbles and will suck them up before they form. to do this, go nd buy yourself something like a cappuchino (excuse my spelling) saver, which is a little mini hot plate that keeps your coffey at a constant hot, but not scolding tempurature, its like a heating place mat really, and its maximum tempurature is 120 degresss celcius once its been left to run for an hour, after that it maintains that tempurature, this will only be able to tranfer about 80 degress at the maximum to whatever your heating, making it perfect for placing under an chlorate cell.


alternatively, you could revert the remaining sodium hydroxide and hypochlorite into chloride and chlorate by boiling it for a while, the heat should cause the hypochlorite to convert the into chlorate as ive heard,, then find a way to pass chlorine dioxide intoa very hot simering solution of the chlorate hydroxide mix, to conver the hydroxide into chlorate.
Sep 27, 2009. 8:30 AMlemonie says:
Add some caustic soda. What electrodes have you got? L
Sep 27, 2009. 9:42 AMlemonie says:
No I don't think so. The reaction between chlorine & soda will work better if you have some additional soda. Also you need it quite warm I believe. Hazardous dangerous stuff: be careful. L
Sep 27, 2009. 11:51 AMlemonie says:
Yeah and they probably wouldn't want you to have this stuff either... L

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