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美国能源部国立阿贡实验室研究成功一种从中、低品位矿石中提取Co和Mn的简便的新工艺。用该方法能经济而有效地从海底结核岩矿中提取Co和Mn。该工艺的关键是采用一种熔融盐,它能把将低品位矿石中所含的90％以上的Co和Mn浸提出来,然后在1～1.5伏特的低电压下经熔盐电介而得到金属Co和Mn。采用的熔盐是低熔点共晶体MgCl_2-NaCl-KCl,熔点400℃,价格便宜,该工艺主要优点:流程简单,设备紧凑,主要设备是矿石干燥装置,熔盐浸提和电介装置,熔盐脱除和循环装置。整套装置可以安装在专门设计的船上或海上浮动平台上,直
The U.S. Department of Energy’s National Argonne Laboratory has succeeded in finding a simple, new process for extracting Co and Mn from medium and low grade ores. The method can be used to extract Co and Mn economically and effectively from seafloor ores. The key to the process is the use of a molten salt that is capable of leaching more than 90% of Co and Mn contained in low-grade ores and then being obtained from molten salt at a low voltage of 1 to 1.5 volts Metal Co and Mn. The molten salt used is low melting point eutectic MgCl_2-NaCl-KCl, the melting point is 400 ℃, the price is cheap, the main advantages of the process are as follows: the process is simple and the equipment is compact. The main equipments are ore drying equipment, molten salt extraction and dielectric device, Salt removal and circulation device. The complete unit can be installed on a specially designed boat or offshore floating platform, straight