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世界范围内有许多粉磨研究单位，都声称它们的粉磨方法是最好的，而且流程变化多样，有些是采用多段破碎和一段磨矿，有些破碎流程是标准流程，但磨矿流程却很复杂。本文首先对最常见的九种流程进行了分析，然后用四种粉磨流程处理镍矿石，并将其产品用常规浮选方法进行处理，对其半工业性试验结果进行了考察．
Many grinding research institutes all over the world claim that their grinding method is the best, and the process is diverse, some are using multi-stage crushing and grinding section, some crushing process is the standard process, but the grinding process is very complex. This paper first analyzes the nine most common processes and then treats the nickel ore with four kinds of grinding processes and treats the products with the conventional flotation method. The results of the semi-industrial tests are also investigated.