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December Chementator Briefs

By Edited by Gerald Ondrey |

  Rotary atomizer Engineers at Dedert Inc. (Homewood, Ill.; www.dedert.com) have developed a high-speed rotary atomizer for a spray-dryer system that features a motor with permanent rare-earth-metal magnetic bearings. The centrifugal rotary atomizer can achieve peripheral speeds 30 to 40% higher than traditional rotary atomizers. The Dedert technology allows users to atomize more viscous materials, as well as those with higher solids content. The improved performance of the atomizer means potentially higher production capacities in spray dryers. Mechanically, the spray dryer has a simple design that reduces maintenance, says Colin Crankshaw, Dedert CEO. For example, the rotary atomizer requires no oil lubrication. Also, “the magnetic bearings have a two-year lifetime,” he says, versus changing bearings every three to six months with a traditional gear-driven motor. The company recently installed the first commercial application in a food production facility in the U.S. Recycling rubber Researchers at the Fraunhofer Institute for Environmental, Safety and Energy Technology (Umsicht: Oberhausen, Germany) have developed a new material, called elastomer powder modified thermoplastic (EPMT), which can be processed into…
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