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Sewage into energy

Special Bacteria is Found to be a ‘Battery’ That Turns Sewage Waste into Clean Hydrogen Energy

This new study is the first to show that purple phototrophic bacteria – which can store energy from light – when supplied with an electric current can recover near to 100% of carbon from any type of organic waste, while generating hydrogen gas for electricity production.

Organic compounds in household sewage and industrial wastewater are a rich potential source of energy, bioplastics and even proteins for animal feed – but with no efficient extraction method, treatment plants discard them as contaminants.

Purple bacteria, however, is an environmentally-friendly and cost-effective solution.
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