The Aquatas solution involves the separation of potable water and sub-nano-scale contaminants, namely heavy metal and salt ions, by a well-established method, reverse osmosis. One of the major shortcomings of this method is the sheer amount of energy required, which is why large-scale desalination remains prohibitively expensive in many places. However, by shifting our focus to a smaller scale, namely family-scale, and by making use of some clever mechanical engineering, we have managed to make reverse osmosis work without any electrical power, only mechanical input from the user.
The result is our water purification unit shown below. The unit is about 1.5 feet (0.45 m) in height and takes up less than 1 square foot (0.093 m2) at its base. We also added additional features to make the device as convenient and comfortable as possible, such as handles for easy portability and a hook to easily attach water storage containers. With an applied force of 5 pounds (2.27 kgf) our device can produce 1 Liter of potable water in about 3 minutes!