At present, the lead-acid battery is mainly used, and its cost is low, and its cost performance is high. However, the environmental health impact caused by improper handling of electric bicycles waste lead-acid battery has great problems.
The battery was damaged by corrosion in the environment for a long time, which resulted in the leakage of heavy metals, acid, alkali and so on. The effect of electrochemical corrosion on the micro battery increased the corrosion rate of the shell of the concentrated stack battery and the leakage rate of pollutants. Accelerate electrolyte infiltration into soil or groundwater.
Most of the waste lead-acid batteries in the market are recovered by individual industrial and commercial households. The recycled lead-acid batteries mainly flow to illegal underground small smelters. The technology of underground small factories is backward, and lead slag will be produced in the process of reprocessing. Improper disposal will seep into the soil and seriously pollute the soil and groundwater.
Most of the waste lead-acid batteries in the market are recovered by individual industrial and commercial households. The recycled lead-acid batteries mainly flow to illegal underground small smelters. The technology of underground small factories is backward, and lead slag will be produced in the process of reprocessing. Improper disposal will seep into the soil and seriously pollute the soil and groundwater.
The recovery battery treatment has the phenomenon of “acid down”. Small recycled lead plants typically buy only lead-containing panels, leading individual recyclers to pour acid from their batteries directly into the soil, urban sewage pipes, and the average lead content in soils contaminated by such acid is in the range of 50 c- / kg. It seriously exceeds the background value of lead content in soil.
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