As outlined by the U.S. Environmental Protection Agency, used batteries need to be disposed of correctly to ensure that the harmful chemicals within them are not released into the environment. Metals such as zinc, if combusted, release toxic fumes into the air. Zinc chloride batteries also contain substances that are corrosive irritants. To ensure that your battery does not pose a threat to the environment, follow a few simple steps so that it ends up somewhere safely protected.
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Place your used zinc chloride battery in a sealed plastic bag or box. This container secures the battery to prevent it leaking onto skin or into the environment and potentially causing corrosive damage.
Find a local battery recycling company in your area. Batteries are harmful for the environment, and most states regulate the disposal of batteries to ensure that they do not end up in a landfill. California, for example, controls the disposal of zinc because it is classified as toxic waste.
Contact battery recycling companies to discuss if your battery can be disposed of using their service. Battery Solutions or Call 2 Recycle, for example, will be able to discuss their capacity to help you or advise of a suitable organization to recycle your battery where you live. Call 2 Recycle provides an on-line list of facilities so that you can locate a drop off point for your used zinc chloride batteries.
Arrange transportation or collection of your batteries as soon as possible. For transport, put them in a sealed, dry container to protect the collector and do not expose the batteries to high temperatures.
Deliver the batteries to the recycling or disposal point. Hand them over to the workers so that the zinc chloride batteries are put directly in the appropriate place. Mixing different batteries together can result in the inability to separate the chemicals and they may not be able to be recycled.