A step-wise biorefinery approach uses the whole cob, producing a dye and a possible nutraceutical with the pigments, and an animal litter with the leftovers
Even as researchers test poplars’ potential to morph into everything from ethanol to chemicals in cosmetics and detergents, a commercial-scale processing plant for poplars has yet to be achieved
Scientists recently disclosed a new method to convert lignin, a biomass waste product, into simple chemicals. The innovation is an important step toward replacing petroleum-based fuels and chemicals with biorenewable materials, says Shannon Stahl, an expert in "green chemistry" at the University of Wisconsin-Madison.