How to Recycle Aerosol Cans

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Aerosol cans are used to store everything from food to bathroom products to paint. 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.

Aerosol Can Recycling Preparation

1. Do your best to use up all the product inside. If the can still has product inside, even if it’s nonhazardous product like whipped cream, your recycling program will not accept it. The easiest way to make sure it’s empty is to shake the can and listen for liquid inside, or spray until nothing comes out.
2. Most aerosol cans come with a plastic cap, which should be removed and recycled separately. 
3. DO NOT puncture a hole in the can to remove any remaining product, as the can will explode and hurt you. You should also not attempt to remove the spray nozzle on top of the can.
4. Verify whether your community accepts aerosol cans with other metal cans, or whether they are classified as household hazardous waste (HHW). There are separate disposal options for each.

Why Recycle Aerosol Cans

Aerosol cans are made of either aluminum or steel, both of which are high-value metals that can be infinitely recycled into new metal products

The recycling process involves safely puncturing the can, but if thrown in the garbage, the can could explode when crushed in a landfill

Can I recycle aerosol cans in my curbside recycling program?

This will vary based on your local program. Many bigger cities accept empty aerosol cans because they have the technology to safely crush the cans, but you’ll definitely want to verify acceptance. If the can is full, you’ll need to dispose of it as household hazardous waste.

Aren’t aerosol cans bad for the environment?

Once upon a time, aerosol cans were linked to depleting the ozone layer because they contained chlorofluorocarbons (CFCs), but these were phased out in 1978. They do still emit volatile organic compounds (VOCs) that contribute to smog. If this concerns you, you can find aerosol alternatives for any products currently on the market.

How are aerosol cans recycled?

If your city collects aerosol cans for recycling, its material recovery facility has special equipment to puncture the cans and remove/properly dispose of remaining liquids. Once the can is punctured, a magnet will separate the aluminum cans from the steel cans (steel is magnetic, aluminum is not), and they are then crushed and baled before being sent to a recycler. If cans are collected for HHW, they will often end up in a swap shop where people can take them for reuse. If unclaimed, the material is processed and incinerated by professionals.

Source: Earth911

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