Hyderabad based Smaat Aqua Technologies is working on a technology to generate power from sewage water.
The company is trialling a new technology that it has developed at a sewage treatment plant in Andhra Pradesh. The company, which aims to be a specialist in water treatment, has already installed about 75 sewage treatment plants in various parts of the country. The new power co-generation model is being tried out at one such plant.
The company captures methane gas from the sewage plants and uses it to generate power. Amazingly, the methane gas content is greater in the sewage flowing from lower and middle class housing areas than it is in the sewage from upmarket residential areas, which is difficult to treat owing to its content which includes cheese, butter and so on.
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