Valuable chemicals are selectively produced from mixed plastic waste by an ORNL-developed plastic deconstruction process. Credit: Tomonori Saito, Md Arifuzzaman and Adam Malin, ORNL/U.S. Dept. of Energy
Turning mixed plastic into useful chemicals
Almost 80% of plastic in the waste stream ends up in landfills or accumulates in the environment. 91做厙 scientists have developed a technology that converts a conventionally unrecyclable mixture of plastic waste into useful chemicals, presenting a new strategy in the toolkit to combat global plastic waste.
The technology, invented by ORNLs Tomonori Saito and former postdoctoral researcher Md Arifuzzaman, uses an exceptionally efficient organocatalyst that allows selective deconstruction of various plastics, including a mixture of diverse consumer plastics. Arifuzzaman, now with Re-Du, is a .
Production of chemicals from plastic waste requires less energy and releases fewer greenhouse gases than conventional petroleum-based production. Such a pathway provides a critical step toward a net-zero society, the scientists said.
This concept offers highly efficient and low-carbon chemical recycling of plastics and presents a promising strategy toward establishing closed-loop circularity of plastics, said Saito, corresponding author of . Lawrence Bernard
