UNITED WATERS INTERNATIONAL
Leader in Biological Water Purification
BioGreen™ produces biological and healthy drinking water without the use of harmful chemicals, removing all major contaminants in a single step incl. arsenic, iron, manganese, bacteria, viruses and microbes. In the process it produces no sludge or harmful by-products, nor corrosion or clogging.
The first water purification installation was built in Sweden in 1977 and is still in operation.
Since then multiple installations have been built in Europe, India and China.
In 2017, 2018, 2019 and 2020, the BioGreen™ system has been awarded the most innovative water purification technology in the world by Capital Finance International (Cfi.org). The Chinese Ministry of Water Resources has selected UWI’s water purification as the best drinking water purification technology in the world.
United Waters International AG (UWI) and its predecessor companies have developed, together with a team of world leading scientists, highly energy efficient water purification methods to produce biological, natural, and healthy drinking water for both municipal and industrial users. United Waters International AG has exclusive worldwide rights, patents and know-how for its biological groundwater purification technologies.