battery types: battery mainly disposable batteries

battery types: battery mainly disposable batteries

Discarded Batteries

1, battery types: battery mainly disposable batteries, rechargeable batteries and car batteries. Disposable batteries including button batteries, ordinary batteries and alkaline manganese batteries, disposable batteries and more mercury. Secondary battery mainly referring to rechargeable batteries containing cadmium. Automotive Waste Batteries contain heavy metals of lead acid and lead EPSON Camera Battery NIKON Camera Battery.

2, waste battery Hazard: The battery waste in the nature of Mercury will slowly overflow from the battery into the soil or water, and then enter the body through the crops, damage people's kidneys. Under the action of microorganisms, inorganic mercury can be transformed into methylmercury, gathered in the fish's body, the human consumption of this fish, the methylmercury enters the brain cells, people have been seriously damaged the nervous system, re- who would be crazy to death. The famous Minamata disease in Japan is caused by methylmercury. Cadmium pollution of land and water seepage, eventually enter the human body makes the liver and kidney damage, can also cause bone soft, heavy causing skeletal deformities. Car containing used batteries leak acid and heavy metals to the nature of lead can cause soil and water pollution, the ultimate human harm

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Battery Recycling use of technology

1. Zinc-manganese dry battery

(1) hydrometallurgical method

The method is based zn, mno2 principle can be dissolved in acid, the battery in the zn, mno2 reacts with the acid solution of soluble salts into the solution after the electrolytic production of purified zinc and electrolytic mno2 or production of other chemical products, fertilizer. Hydrometallurgy is divided into roasting - leaching and direct leaching.

Roasting - leaching method is used batteries baking, make one of the ammonium chloride, mercury chloride and other volatiles into the gas phase and were recovered in the condensing unit, high-priced metal oxides are reduced to low oxide, calcined product with acid leaching and from the leaching solution by electrolysis recovery of metals, that occur during roasting.

(2) pressure metallurgy method

The law is at a high temperature that waste batteries in the metals and their compounds, oxidation, reduction, decomposition and evaporation and condensation process.

Method 1: In the lower temperature, heating waste batteries, first to volatile mercury, and then at higher temperatures recovery of zinc and other heavy metals.

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