SAN FRANCISCO, September 13, 2024-

The University of California, Berkeley, has developed a catalytic process to vaporize plastics that dominate the waste stream today and turn them into hydrocarbon building feedstock for new plastics, the university reported Aug. 29.

The process works equally with the two dominant types of post-consumer plastic waste: polyethylene (PE), the component of most single-use plastic bags; and polypropylene (PP), the “stuff of hard plastics,” from microwavable dishes to luggage. It also efficiently degrades a mix of these types of plastics.

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