Using salt and electricity, water treatment system provides clean drinking water


waterstep water chlorinator

The conditions in the underdeveloped and developing parts of the world are quite the opposite of what we in the urban world see. There are still billions of people without electricity, proper sanitation facilities and even drinking water. While non-profits such as the Bill and Melinda Gates Foundation helping provide safe sanitation facilities to people living in these areas, there are several organizations and researchers working to provide safe drinking water to millions around the world with the use of environmentally friendly technologies and products.

Working on the same lines, a couple of GE engineers, a non-profit, and a number of volunteers have come up with a portable water treatment device that is made using commonly available materials and uses salt and electricity from a car battery to disinfect water. The device, which fits inside a 10-inch PVC cylinder with two plastic tubes attached to it, produces chlorine from salt water using electrolysis. Chlorine hence produced is mixed with contaminated water to kill pathogens and oxidize organic matter.

Treehugger states that the device, dubbed WaterStep M-100 Chlorinator, produces water that is usually safe to drink two hours after chlorination, and is able to generate enough chlorine to disinfect 38,000 liters of water a day, which is enough for 10,000 people.

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