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This was not simply modern calcium chloride, but contained chlorine gas dissolved in lime-water (dilute calcium hydroxide) to form calcium hypochlorite (chlorinated lime). The chlorination of the water supply helped stop the epidemic and as a precaution, the chlorination was continued until 1911 when a new water supply was commissioned. [7]
Water softening is the removal of calcium, magnesium, and certain other metal cations in hard water. The resulting soft water requires less soap for the same cleaning effort, as soap is not wasted bonding with calcium ions.
Chloride cycle anion ion-exchange dealkalizers remove alkalinity from water. Chloride cycle dealkalizers operate similar to sodium cycle cation water softeners . Like water softeners, dealkalizers contain ion-exchange resins that are regenerated with a concentrated salt ( brine ) solution - NaCl.
Water purification is the process of removing undesirable chemicals, ... chlorine disinfection using chloride of lime were rapidly installed in drinking water systems ...
A major application involving chloride is desalination, which involves the energy intensive removal of chloride salts to give potable water. In the petroleum industry, the chlorides are a closely monitored constituent of the mud system. An increase of the chlorides in the mud system may be an indication of drilling into a high-pressure ...
As more aluminum sulfate is added, water pH decreases. At higher pH, the soluble species Al(OH) 4 − is present. In neutral pH ranges (6–8), the insoluble aluminum hydroxide (Al(OH) 3) occurs. As pH decreases further, the Al(III) ion remains present. [2] Maintaining optimal pH is important for the removal of phosphorus from water.
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