Solar-Powered Tech Turns Sewage Sludge Into Green Hydrogen and Animal Feed

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NTU Singapore scientists develop solar-powered method to convert sewage sludge into green hydrogen and animal feed.

NTU Singapore scientists develop solar-powered method to convert sewage sludge into green hydrogen and animal feed.

Scientists at Nanyang Technological University, Singapore (NTU Singapore),
have developed an innovative solar-powered method to transform sewage sludge — a by-product of wastewater treatment — into green hydrogen for clean energy and single-cell protein for animal feed.

Published in Nature Water, the sludge-to-food-and-fuel method tackles two pressing global challenges: managing waste and generating sustainable resources. This aligns with NTU’s goal of addressing humanity’s greatest challenges, such as climate change and sustainability.

The United Nations estimates that around 2.5 billion more people will be living in cities by 2050. Along with the growth of cities and industries comes an increase in sewage sludge, which is notoriously difficult to process and dispose of due to its complex structure, composition, and contaminants such as heavy metals and pathogens.

Read more at Nanyang Technological University

Photo Credit: Single-cell protein for animal feed which was derived sewage sludge using the NTU research team proposed method. (Credit NTU Singapore)