Author: Sarah Lozanova / Source: Earth911.com
Which items in the waste stream are the most commonly recycled? Ten percent of plastic, 28 percent of glass, 49 percent of aluminum cans and 55 percent of paper is recycled. But the recycling award for the product with the highest recycling rate goes to … the car battery, with a recycling rate of 98 to 99 percent.
Lead-acid batteries are widely used across the globe in cars, trucks, boats, trains and recreational vehicles, and for emergency power in air traffic control towers, hospitals and railroad crossings. An estimated 6 million tons of lead is consumed each year globally, with three-quarters going into the manufacturing of lead-acid batteries. Once the lead plates within these rechargeable batteries deteriorate, the battery can no longer adequately store energy and is considered hazardous waste.
The recycling process includes breaking down the battery into numerous little pieces. The plastic is then extruded, and the liquid is siphoned off. The lead is smeltered and turned into ingots, a mass of metal.
Ninety-eight percent of the actual battery is recycled. In fact, the typical new lead-acid battery contains 60 to 80 percent recycled lead and plastic, according to Battery Council International.
What makes car batteries a recycling success story? Here are some of the factors:
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