Drooid Logo
Back to today’s briefing

Story perspectives

Professor Turns Sewage Sludge into Energy and Animal Feed

3/14/2025

32 2

1 of 1

Story summary
  • Associate Professor Li Hong has unveiled an innovative method that turns sewage sludge into renewable energy and sustainable food, showcasing the power of the circular economy. By breaking down sludge and eliminating heavy metals, this solar-powered process generates acetic acid and hydrogen gas, while light-activated bacteria transform nutrients into valuable single-cell protein for animal feed.