Rainmaker for a Billion People

More than half the people in hospitals around the world are of people that are sick from bad water. Unclean water is the epidemic. All other health initiatives have marginal value. Water is health care as simple as that,” says Manoj Bhargava the billionaire businessman and the driving force behind the global movement to uplift the underprivileged: Billions in Change.


Bhargava is focusing his attention on three key areas which he believes is essential for anyone to survive: light or electricity, health and water. To help solve the basic needs of the poorest of poor Bhargava has turned to the engineers in his inventions shop Stage 2, in Farmington Hills, Michigan (USA). To help solve the water crises the engineers have devised a couple of low cost, easy to operate water filters that turn brackish and grey water into drinkable water.

Making use of Brackish Wate

Bhargava says “brackish water and brackish wells are everywhere. And while brackish water isn’t as salty as ocean water, it’s still too salty to drink or to use for irrigation.” The RainMaker for Brackish Water is a filtration unit that removes the salts and other minerals from brackish water and makes it suitable for both human consumption and agriculture. The device is intended for use at the village level. It simply attaches to the well and starts working immediately, cleaning water at a rate of 5-10 gallons per minute. And unlike other water filtration devices, this uses very little energy. It takes just 1.5 kilowatts, which is about as much as a hair dryer, so a small generator can power it.


Converting Grey Water

The RainMaker for Grey Water is a small, self-contained unit that uses a series of filters to purify any type of dirty water—river water, sewage water, bacteria-filled water, well water—and makes it fit to drink. Similar to the other filtration device, the RainMaker for Grey Water is intended for use at the village level and can be installed and used immediately. But this device requires even less energy. The RainMaker for Grey Water purifies up to 8 gallons of water per minute with an electric pump, but if electricity is not available, it can also be used with a manual pump or a bike pump.


The two devices are follow ups on an earlier water filtration system designed by Bhargava’s team to convert ocean water into clean drinkable water. While that system would take time to deploy, given the permits required the two Rainmakers for Brackish and Grey water are portable units that are good to go immediately. Says Bhargava: “If enough brackish water can be turned into fresh water, the water crisis in some regions can be delayed for several years, if not decades.”

This is a partnered post.

Updated Date: Nov 01, 2017 17:39 PM

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