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jsonstein@masto.deoan.org ("Jeff Sonstein") wrote:

“The group has devised a catalytic recycling process that breaks apart the chains of some of the more commonly used plastics — polyethylene and polypropylene — in such a way that the building blocks of those plastics can be used again...
The catalysts required for the reaction — sodium or tungsten — are readily available and inexpensive… early tests show the process is likely scalable at industrial levels. It uses no water and has fewer energy requirements than other recycling methods”