| 摘要 |
This method is an application in the field of metallurgy. It is a complex technology for obtaining manganese, copper, nickel, and cobalt. The method is conceived in the following way: after reduction, the roasted manganese concentrate is extracted in the absence of air at temperatures of 20-40 degrees C for 3 to 90 minutes by a solution which contains in g/l 80 - 270 ammonia, 30 - 170 carbon dioxide. Then the obtained pulp is separated into a solution from which through aeration for 30 minutes to 8 hours the manganese and slime fractions are separated; in the next processing stage the well known ammonia-carbonate extract of copper, nickel and cobalt is obtained.
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