valuable mineral

Grinding process is one of the most important procedures in the mineral processing plant. Its main task is to separate the valuable minerals from the discardable gangue after physical grinding and classification, and avail to the subsequent sorting process.

磨矿过程是选矿厂生产过程的最重要环节之一，其主要任务是将矿石经过物理的研磨和分级，使有用矿物与脉石单体解离，为后续的选别作业创造条件。

Some fossils are useful as clues in the search for oil, coal and valuable mineral deposit.

有些化石还可作为有用的线索用于寻找石油 、 煤以及有价值的矿床.

Valuable mineral deposits have been found in this region.

在这地区发现有价值的矿床.

In this paper, the advanced X-ray diffractometer was used to carried out quantitative analyses mineral matter in blended coals, combining with combustion test of drop furnace, influence of mineral matter on slagging characteristic was studied and larger amount of valuable achievements were obtained.

采用先进的X衍射仪对神木&平朔配煤的灰渣进行物相定量分析，结合沉降炉结渣特性试验，研究灰渣中矿物质对结渣的影响，获得了许多有价值的成果。

Floatation column is a high efficiency separation equipment recovering valuable mineral fines.

浮选柱是回收细颗粒有价矿物的高效分选设备.