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separation of KBr from KOH

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goiterjoe:
I've been thinking about making potassium hydroxide by running a current through a soln of potassium bromide and water.  I have a feeling that when my reaction stops letting off gas, there will still be some unreacted KBr salt in the KOH soln.  does anyone know of a good solvent to separate these two after I evaporate off the water?

another question I have is if there is a way to combine the two gasses that are let off, hydrogen and bromine, into hydrobromic acid?  I think I read something about it being done at around 150C under pressure, and that seems a little bit out of my league.



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