二氧化锰和硫化矿同时发电浸出的初步探索

Electrogenerative Simultaneously Leaching of Sulfide Minerals; and

将发电原理引入二氧化锰和硫化矿的同时浸出过程,研究镍精矿、方铅矿、闪锌矿、铜精矿和黄铁矿等硫化矿与MnO2同时发电浸出过程。结果表明,适当组装发电浸出电池,可使两种金属离子有效浸出和分离,同时获得电能。所用电极在负载9,9Ω放电时,稳定放电电流及电压依次按镍精矿→方铅矿→闪锌矿→黄铁矿→铜精矿减小,金属浸出率依次按方铅矿→镍精矿→闪锌矿→铜精矿→黄铁矿减小,锰浸出率依次按镍精矿→闪锌矿→方铅矿→铜精矿→黄铁矿减小。浸出效率偏低,电极结构有待进一步改进。

The electrogenerative simultaneously leaching process of sulfide minerals and manganese dioxide is investigated by introduction of the principle of electrical power generation. The results show that the two kinds of metallic ions can be separated and the electrical power can simultaneously be generated by appropriately assembling the electrogenerative simultaneously leaching battery. The stable voltage and current is reduced in the sequence of nickel concentrate→galena→phalerite→pyrite→copper concentrate, while the electrodes adopted in experiments electro-discharges with operating load of 9. 9Ω. The metal dissolution is reduced in the sequence of galena→nickel concentrate→phalerite→copper concentrate→pyrite, and manganese dissolution is reduced in the sequence of nickel concentrate→sphalerite→galena→ copper concentrate→pyrite. The structure of the electrodes should be improved, since the leaching effects are not good enough.