Category: Lean Manufacturing

How Do Recycling Facilities Sort Different Kinds of Plastic?

How Do Recycling Facilities Sort Different Kinds of Plastic?

When scientists need even more details about the composition of a plastic, they can use lab techniques that involve dissolving the plastic in a solvent, sometimes while heating. After dissolving a sample, the scientist might examine it using a technique called size exclusion chromatography, which takes advantage of the fact that smaller molecules move more slowly than bigger ones through a column or tube packed with porous beads.