University of Manchester develops catalyst to convert plant waste into chemicals

New catalyst converts lignin from agricultural waste into useful chemicals under mild conditions, though real-world testing remains pending.

On August 25, 2026, researchers from the University of Manchester’s Department of Chemical Engineering published a catalyst that converts lignin—a key component of plant waste—into aromatic chemicals like phenol. The catalyst consists of a single atom of ruthenium embedded in nitrogen-doped carbon. Lignin makes up to 35% of agricultural and forestry waste biomass, and the catalyst operates under mild conditions to produce phenol and other compounds. Published in ACS Catalysis (2026, volume 16, issue 4, page 3607), the work demonstrates conversion efficiency of 'nearly all' for model lignin compounds. However, the research was initially tested on simplified laboratory samples rather than real-world biomass. Real-world conversion yields and scalability for actual waste streams remain unverified. This advancement could reduce landfill burden and create low-cost chemical feedstocks if later validated on agricultural waste. The next critical step is testing the catalyst on actual biomass to confirm performance and efficiency in practical settings. The source explicitly notes real-world yields are not yet specified, meaning current claims apply only to model compounds.

Source: ScienceDaily