Disinfection with Calcium Hypochlorite

This journal entry is a continuation of my series of entries on disinfection of drinking water.   Please read the following linked articles first,  Introduction to Disinfection and Disinfection with Sodium Hypochlorite.  I have covered a lot of background information already, which you will need to fully understand this journal entry.    Go ahead, I’ll wait.

Calcium Hypochlorite, Ca(OCl)₂ is a solid chemical used as a disinfectant and bleaching agent. It is used to store chlorine for long periods of time without having to resort to chlorine gas, which is extremely dangerous if not handled properly.  If stored is a room temperature environment away from moisture, temperature extremes and direct sunlight, calcium hypochlorite can last up to a year without serious degradation.  Beyond a year the chemical will become weaker with time.

Calcium hypochlorite is very similar to sodium hypochlorite.  The biggest difference is Continue reading