Production method of Mn-zn ferrite from waste magnesium dioxide batteries
A technology of manganese-zinc-ferrite and zinc-manganese batteries, which is applied in the direction of battery recycling, regeneration of useful parts, recycling technology, etc., and can solve problems such as high energy consumption, high added value of products, and low separation purity
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[0004] The current waste battery recycling adopts liquid leaching method or high temperature heating method to separate the metal elements in the waste battery from other impurities, and then separate and purify the separated metals. Due to the separation of different metals, especially When the purity is high, the separation is difficult, the energy consumption is large, the separation process is complicated, the cost is high and the purity is low. MnZn ferrite is a kind of magnetic material with excellent performance. It is widely used in transformers, radio communications and aerospace, etc. It has a large amount of use and high added value. Its main component is MnZn ferrite. Therefore, the known leaching method can be used to extract the zinc, manganese and iron in the waste zinc-manganese battery. After removing the mercury, the ratio of the solution containing manganese, zinc and iron is adjusted according to the composition ratio requirements of the zinc-manganese ferri...
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