Transforming Sewage Sludge into Green Hydrogen: A Sustainable Solution by NTU Singapore
Key Ideas
  • NTU Singapore scientists have developed a solar-powered method to convert sewage sludge into green hydrogen and single-cell protein for animal feed.
  • The innovative approach addresses the challenges of waste management and resource generation, offering a sustainable solution.
  • The three-step process is more efficient than traditional methods, producing higher resource recovery, removing heavy metal contaminants, and being environmentally friendly and economically feasible.
Researchers at NTU Singapore have introduced a groundbreaking method to address the dual challenges of waste management and resource generation. By transforming sewage sludge, a troublesome by-product of wastewater treatment, into green hydrogen for clean energy and single-cell protein for animal feed, the team has unveiled a sustainable solution with far-reaching implications. The conventional disposal methods for sewage sludge, such as incineration and landfill, are known to be inefficient and contribute to environmental issues. To combat this, NTU's scientists devised a unique three-step process that harnesses solar power and combines mechanical, chemical, and biological techniques. This approach not only outperforms traditional anaerobic digestion methods but also excels in resource recovery, heavy metal removal, environmental impact reduction, and economic viability. The proof-of-concept tests have demonstrated the superiority of NTU's approach in managing sewage sludge effectively while generating valuable resources. By revolutionizing the treatment of sewage sludge, NTU Singapore is paving the way for a more sustainable and eco-friendly future in waste management and renewable energy production.
ADVANCEH2

Our vision is to be the world's leading online platform for advancing the use of hydrogen as a critical piece needed to deliver net-zero initiatives and the promise of a clean H2 energy future.

© 2025 AdvanceH2, LLC. All rights reserved.