Show ozone purifies purified Puri fiet water the metropolitan water board of ondon bondon Is 13 trying out on a large scale the use of 0 ozone instead of chlorine lorIne Il for killing germs in city water ozone Is a modification of ordinary oxygen having three atoms to t he molecule instead of only two but his extra atom Is what makes the If ference giving ozone the proper es of a germ killer in purifying water in an electric deice ice converts oxygen from the air into ozone and this air te is blown into the water to be treated ranch much as Is done with chlorine gas with the present equipment the ozone costs more than chlorine but it destroys destroy s bad tastes as well Rs as germs and does not create a new bad taste of its own as does docs chlorine pathfinder magazine |