In the various application fields of quartz sand, iron is one of the most harmful impurities, and the PTMS MAGNETIC SEPARATOR of quartz sand is generally the main purpose of iron removal. The occurrence state of iron impurities in quartz sand determines what method can be used to remove it and the degree of removal. According to the specific situation of quartz sand, the occurrence state of iron can be divided into five forms.
The occurrence state of iron in quartz sand, clay minerals generally exposed to the surface of the ore deposit, containing more weathered clay. This clay is made of limestone, feldspar, shale, etc. The main component of the clay contains quartz, mica, limonite, calcite and chlorite mixture of natural water vanadite silicate, its particle size is very small (less than 10um), PTMS MAGNETIC SEPARATOR can remove iron (FE2O3) in quartz sand.
Among heavy minerals and magnetic minerals, heavy minerals refer to minerals with a relative density greater than 2.9. Most of these minerals are MAGNETIC or weakly magnetic. Iron is the basic element in these minerals. PTMS MAGNETIC SEPARATOR can remove iron (FE2O3) in quartz sand. Light minerals mainly refer to feldspar. The Al in feldspar is sometimes replaced by Fe, and its content can be as high as 0.5% to 0.7%.
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