Researchers at UC Berkeley have developed a promising method for recycling polypropylene and polyethylene, two challenging plastics, using catalysts that easily break their bonds.
The new process transforms polyolefins into valuable gasses that can be recycled into new plastics, addressing the recycling difficulties associated with these materials.
Using sodium on alumina followed by tungsten oxide on silica, the team's innovative approach overcomes previous challenges of using expensive metals that deteriorated quickly.
The application of isomerizing ethenolysis to both polyolefins is crucial, given their difficulty of separation from each other in mixed waste streams.
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