Magnetically susceptible metal contamination is commonly removed using magnetic separators. There are some magnetic separators that produce a magnetic field using an electrical current, but the vast majority utilize permanent magnets such as ceramic ferrite and rare earth neodymium iron boron.
Removal of iron and collection of iron powder from various kinds of raw materials and semi ﬁ nished products are called magnetic separation. Kanetec oﬀ ers a wide variety of magnetic separators for use with lump materials, bulk materials, clay like materials and liquids.
9.5.2 Utilization of subeconomic iron ores. As magnetic separators progress toward larger capacity, higher efficiency, and lower operating costs, some subeconomic iron ores have been utilized in recent years. For example, magnetite iron ore containing only about 4% Fe to 15% Fe and oxidized iron ore of only
A magnetic separation device is being developed for removal of iron and heavy metals from water. The device consists of a column of supported magnetite surrounded by a movable permanent magnet. The mineral magnetite, or synthetically prepared iron ferrite , is typically supported on various materials to permit adequate water passage through the column.
June 10, 2020
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