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Eriez RE Drum Separators Provide Protection Against Ferrous Contamination

Wed March 06, 2013 - National Edition
Construction Equipment Guide

Rare Earth (RE) drum separators from Eriez feature Erium 3000, a high-quality rare earth permanent magnetic power source. Eriez RE drum separators purify large quantities of bulk materials such as foods, plastics, abrasives, metal powders, ceramic material, paper, glass cullet, soda ash, kaolin clay, chemicals, gypsum and quartz powder. They remove very fine ferrous particles, locked particles and even strongly paramagnetic particles. Rare Earth drums are extensively used to concentrate weakly magnetic ores such as ilmenite, specularite, garnet, siderite, wolframite and others.

Neodymium-boron-iron rare earth permanent magnets develop magnetic fields up to 25 times stronger than conventional ceramic or alnico units, with no increase in size. The additional strength helps in removing weakly magnetic or very fine iron contaminants from a wide variety of fine dry bulk materials as well as slurries, according to the manufacturer.

The increased strength at a greater distance, high gradients and increased holding force of Eriez RE drums allows them to hold magnetic or fine iron contaminants so tightly that wipe-off by product flow is virtually eliminated. These drums are an ideal choice where high product purity is required.

Eriez RE drums are part of the complete line of drums from Eriez, which includes standard models in diameters from 12 to 36 in. (30 to 91 cm), and widths from 12 to 120 in. (30 to 152 cm). These units provide efficient separation on feed rates up to 100 tph (90.7 t).

For more information, call 888/300-ERIEZ or visit

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