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Arsenic is the 20th most abundant element in the earth’s crust. In Bangladesh, Arsenic in Tubewell water was first Identified in 1993. At Present Prevalence of Arsenic in Drinking Water has been identified in 61 out of 64 Districts of the Country. However, the Degree of Contamination varies from 1% to over 90% with an average contamination of 29%. (Except, Hilly Districts). Arsenic in drinking-water is a significant cause of health effects in some areas, and arsenic is considered to be a high-priority substance for screening in drinking-water sources. [ Source: Department of Public Health Engineering (DPHE) ]

Mr. Dipal C. Barua, Founder and Chairman of Bright Green Energy Foundation (BGEF) has been seeking for a suitable solution for reducing arsenic from water in natural ways which could be blended with solar energy since he is the pioneer of solar technology in Bangladesh. Mr. Barua has devoted more than 35 years of his life, finding sustainable market based solutions to the social and economic problems faced by the rural people. Since Bangladesh has successfully implemented Solar Home Systems (SHS) and became the largest solar home system program in the world, using that experience and expertise solar energy can be used for operation In-Situ based (completely natural) arsenic water treatment plants to ensure pure water nationwide.

Mr. Dipal C. Barua is an environmental laureate and met Dr. Bhaskar Sengupta, in Freiburg Germany in an environmental laureate convention, who invented In-Situ technology for mitigating arsenic from water. He is a professor in Water Technologies, Heriot-Watt University, Scotland. They discussed about the arsenic contamination issues in Bangladesh, and then decided to do a pilot project in Bangladesh. Mr. Dipal C. Barua, who introduced SHS in Bangladesh back in 1996, has accepted the idea of In-Situ Technology blended with solar energy. After months of research and development by the BGEF technical team and qualified engineers, a pilot plant was successfully installed in a primary school in Metangor, Muradnagar Upazilla Comilla, south-eastern district in Bangladesh.

The Pilot Plant has inaugurated by Mr. Md. Helal Uddin, Chairman, Sustainable Renewable Energy Development Authority (SREDA) on January 6, 2018. Mr. Siddique Zobair, Additional Secretary, SREDA and other dignitaries from the local government, communities has also attended at the program.

This was the first time In-Situ technology is blended with the solar energy. This pilot plant is now producing 4,000 -8000 liters of arsenic free drinking safe and clean water for the local community and school children.

This is considered the First Solar Powered Arsenic Treatment Plant in the world by international press. http://www.bbc.com/news/uk-scotland-39647456

At present, over 200 students and their teachers of the school and 1,200 villagers are drinking arsenic free water from this pilot plant. From the successful outcome of this pilot plant, BGEF is planning to install more plants of the same type if the funding support is ensured. It can be estimated that lots of people will be directly benefited from these plants.

Useful Outcomes:

1. Arsenic free low cost safe water for drinking and cooking purpose.
2. Utilizing Solar Energy for protecting environment and to ensure uninterrupted electricity for running the plant.
3. Ensuring carbon emission free technology for generating power for the plant.
4. low cost clean water to ensure better health for people in rural Bangladesh.
5. Reducing water borne diseases and prevent the catastrophe illness caused by the arsenic and iron.
6. Promoting community awareness on arsenic contamination and safe drinking water to improve health and hygienic situation of the family and community.