The ore processing is the most important aspect of the whole mineral production and the crucial sector in the mining enterprises. Generally, the large-scale mining enterprises are the resource companies integrating minging, elections and smelt. The physical or chemical methods are used to separate the useful mineral from the unwanted mineral or harmful minerals. The ore processing is a process to separate a variety of useful mineral from the mineral, which is also called as "mineral processing". The ore processing is also widely used in the coal industry. The main task of the coal dressing is to rule out the gangue, pyrite and other impurities mixed with the raw coal in order to reduce the ash and sulfur content of the coal. The common methods of ore processing include gravity separation and the flotation. 

The vast majority of non-metallic mineral resources is the paragenesis of a variety of mineral, which can not be used directly without dressing purification. For example, there are certain requirements of the kaolin used in the advanced ceramics and paper industry, the apatite used as the fertilizer raw material and other building materials. Naturally, the ore processing is an important process for these non-metallic mineral raw materials.

The application of the ore processing in the geological department is mainly to evaluate the deposits discovered through the optional test of ore. In addition, the ore processing is an effective method for indentifying the rock, mineral and placer mineral. In recent years, the ore processing has been promoted in many economic areas, such as the application in handling of solid waste (including the industrial and municipal waste) and metal recycling industry. 

All in all, many sectors of the national economy can not be separated from the technology of ore processing. From the initial stage of the gravity separation represented by the ancient gold technique to the emergence of today's variety of new technology and new equipment, the ore processing has become an independent discipline. With the improvement of the science and technology and the increase of the demand of the raw material and energy of human, the technical level of the ore processing will continuously improve greatly and its range of applications will be widened.

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