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Environment & Energy

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Caribbeans

(1,212 posts)
Thu Mar 13, 2025, 08:20 PM Mar 2025

Scientist turn sewage into GREEN hydrogen, animal feed using solar-powered tech [View all]



Scientist turn sewage into GREEN hydrogen, animal feed using solar-powered tech

InterestingEngineering.com | Neetika Walter | Mar 13, 2025

Can recycling waste be the key to a sustainable future? Scientists have developed a solar-powered method to turn sewage sludge into green hydrogen and animal feed, tackling both waste and sustainability challenges.

Using a three-step solar-powered process, scientists at Singapore’s Nanyang Technological University (NTU) integrated mechanical, chemical, and biological techniques to treat the sewage sludge.

“Our method transforms waste into valuable resources, reducing environmental damage while creating renewable energy and sustainable food. This exemplifies the circular economy and contributes to a greener future,” Associate Professor Li Hong, who is the lead researcher of the study, said.

From waste to wealth

The sludge-to-food-and-fuel method process starts with mechanically breaking down sewage sludge, followed by a chemical treatment that removes harmful heavy metals from organic materials like proteins and carbohydrates...more
https://interestingengineering.com/science/sewage-sludge-green-hydrogen-animal-feed

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