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Polystyrene depolymerisation: New recycling option

from Chemistry World

A continuous process for converting waste polystyrene back to styrene monomer has been developed by U.S. chemists. The process could help polystyrene recycling become more economical by recycling it into high quality new materials, rather than simply melting and remoulding contaminated plastics into low value goods. "We recycle less than half of our plastic waste in the U.S., and worldwide probably a lot less. Mostly we put it in landfill or burn it," says Lanny Schmidt from the University of Minnesota in Minneapolis, who led the team. more

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