Do not attempt to remove the spray nozzle from the can even though it is usually plastic.
Recycle spray paint cans.
Proper disposal of spray paint cans is important.
While empty cans can be disposed of in your household garbage cans with even a small amount of paint left unused can be a safety and environmental hazard.
The lid is likely recyclable too.
While the can itself has the same value as other metal cans the pressurized air inside and potentially hazardous contents make recycling a bit more complicated.
In some places you can be fined for disposing them with your regular garbage.
If the can has a plastic lid you can remove this for recycling.
This is the reason people should completely empty spray cans on old newspaper shake the can to confirm it is empty and then dispose of the paint can in the regular trash.
How to recycle aerosol cans.
Never attempt to puncture an aerosol can or expose it to extreme heat.
Aerosol cans are pressurized which means they may explode if tampered with.
Spray paint cans are designed in such a way that the particles in the can stay under pressure to maintain the liquid form of the paint.
Once completely empty of contents recycle krylon spray paint cans to help reduce the volume of waste in landfills and conserve energy.
So throwing those cans in the regular garbage can make them explode due to heat and pressure.