China's waste battery recycling is unreasonable

The environmental pollution caused by used batteries is well known. At present, the problems in the recycling and utilization of used batteries are not only as simple as the lack of environmental awareness of the people. The market interests are biased, the recycling technology barriers and the leg Continue Reading

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Lead environmental sanitation and protection

The biggest source of pollution for changing lead production is the tetraethyl lead additive in lead smelters and automotive gasoline. At present, the sintering-blast furnace reduction process mainly used in each lead smelter releases a large amount of sulfur dioxide and lead vapor in the production Continue Reading

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Reverse flotation of magnetic separation concentrate

An iron ore sedimentary metamorphic iron deposit. The iron mineral is mainly magnetite, and the gangue is mainly quartz . The original ore is crushed, two sections of closed-circuit grinding and two sections of magnetic separation are selected, and a magnetic separation concentrate containing 61% t Continue Reading

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Copper, lead and zinc beneficiation test plan selection

Separation of copper and lead is a major problem when the flotation of copper-zinc ores lead. The solution can be lead-free copper or copper-lead. If that plan is better, it must be determined through specific tests. However, the general principle is: when the content of lead in the ore is much hig Continue Reading

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Electrolysis of manganese sulfate solution---electrolys…

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Research Status and Prospects of Dephosphorization Tech…

Manganese and its compounds are used in various fields of the national economy. Manganese steel industry accounts for 90% to 95%, mainly iron and steel making process as deoxidizer and desulfurizer, and means for producing an alloy. With the development of China's iron and steel industry and t Continue Reading

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The phenomenon of "flatness" and harmfulness …

Since the material feeding amount of the grinding machine exceeds the maximum passing capacity and the discharge amount of the grinding machine volume, the phenomenon that the grinding machine gradually pushes the grinding ability is called the phenomenon of "swelling belly" of the grindi Continue Reading

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