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The ST Equipment & Technology (STET) separator offers benefits to a wide range of industries and products. The STET separator is entirely dry, requiring no water or chemicals. The separator consumes only a small amount of electrical energy, which is used to operate the belt motors. The STET separator consumes between 1-4 kWhr per ton of feed processed, depending on the density of the powder processed. The separator is easily permitted, as the only emissions control device required is a dust collector for nuisance dust. Often, there is little or no pre-processing required for feed material to the separator other than size reduction to the appropriate particle size. Unlike other electrostatic processing equipment, high temperature thermal pre-treatment is not necessary.
Furthermore, the separator design is relatively simple and compact. A machine designed to process up to 40 tons per hour (density dependent) is approximately 30 ft (9 m) long, 5 ft (1.5 m) wide and 9 ft (2.8 m) tall. The belt and associated rollers are the only moving parts, making maintenance both simple and infrequent. The electrodes are stationary and are composed of a highly durable material.
