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8 qt cell up an running
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30
comments (30 topical, editorial)
Re: 8 qt cell up an running
(
3.00 / 0
) (
#7
)
by etownlax on Thu May 8th, 2008 at 01:22:02 PM MST
(
User Info
)
I read you said you were going to use sodium bicarbonate(NaHCO3) and rain water.
If you use NaHCO3, it will become a basic solution in your cell. Your results will be skewed also by the CO2 and possible CO that is produced. And when thats released it will leave behind Na to react with the water creating NaOH, thus resulting in a basic solution. There's little way to get rid of the caustic solution without a PEM electrolyzer.
The Rain water I wouldn't suggest. Even though its plentiful(in some places) its not a great source of H2O. Your cell needs to be clean in order to run efficiently. Your stainless steel will also last longer if you have clean water and the right electrolyte, because in a perfect cell(pure water, pure NaOH, Best Stainless steel) everything works the way you want it to, but once you add something else it changes the whole balance and could end in a ruined cell and wasted money.
All in all I would suggest to use distilled water, good NaOH(lab supplier quality) and good 304(or better 316) Stainless steel.
Food for thought
-Randy
8 qt cell up an running
|
30
comments (30 topical, 0 editorial)
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