a method of separation purify water
purify water
distillation
chlorine
to purify water
Yes, Solar Energy can be collected to purify water the same way other types of energy can be used.
We cant use all halogens for that purpose. Because of they are harmful. We use chlorine for purify water.
It is used to purify water.
by the use of chlorine
chlorine and ozone
Purification
Although it won't purify water (which is to say, remove impurities) it can be used to kill many unsafe biological agents. Please see the link.