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2 comments
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bleaching powder

06/15/2009 1:03 PM

how can we product chlorinated lime or bleaching powder from Ca(OH)2

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Guru
Engineering Fields - Environmental Engineering - New Member

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#1

Re: bleaching powder

06/15/2009 11:54 PM

By passing chlorine gas over it.

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Guru
United Kingdom - Member - Indeterminate Engineering Fields - Control Engineering - New Member

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#2

Re: bleaching powder

06/16/2009 3:24 AM

Calcium chloride can be made by treating calcium hydroxide with hydrochloric acid. The reaction is exothermic and should be carried out with caution.

Electrolysis of calcium chloride will then produce calcium hypochlorite.

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