Car battery recycling has become big business across North America. Not only does it keep our environment green but it is also a cheaper alternative than refining lead from the earths surface.
The process of recycling a car battery is very simple. First they are all sent to a facility where they are sorted. They are then placed in a “hammermill” where they are crushed into tiny pieces. The pieces are placed in a tank. The lead sinks to the bottom, the plastic rises to the top and the liquids go into a solution, The materials are then treated individually.
The lead is melted in high temperature furnaces and poured into molds. When the lead is still in a molten form, impurities are skimmed off the top to purify the lead. Once the lead has been poured into molds and has cooled it is shipped off to battery manufacturers to re-use in batteries.
The plastic goes through a similar process. It is separated from the hard rubber, washed and dried and sent to plastic manufacturers. The plastic manufacturers take the plastic put it in extruder and the plastic is melted under heat and pressure to form new plastic.
The battery acid is also re-used. A neutralizing agent is used to break the acid down to a water and salt compound. The water is tested and then typically released back into the sewer system.
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