Moreover, a diverse mixture of black, yellow, red, and colorless polystyrene waste converted to styrene at a significantly ...

An emerging strategy for plastic recycling involves using light ... and then set the vial under high-intensity white LEDs for 30 minutes. The carbon black converted the LED light into heat.

Not all plastics are equal -- some types and colors are easier to recycle than others. For instance, black foam and black coffee lids, which are often made of polystyrene, usually end up in landfills ...