Incineration
Burning polymers can release toxic gasses into the atmosphere, but can be beneficial by generating electricity. Toxic gasses released can be HCL from PVC.
To remove harmful gasses from the combustion; scrubbers are used, which can neutralise HCL by reacting it with a base.
Recycling
Plastics are made from non renewable sources, which makes recycling a good idea.
Some plastics can me melted down and remoulded as something else.
Some can be cracked into monomers that can be used to make new compounds.
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