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Safe removal of volatile, oxidizable compounds from particles, in particular polymer particles
Safe removal of volatile, oxidizable compounds from particles, in particular polymer particles
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机译:从颗粒,特别是聚合物颗粒中安全去除挥发性可氧化化合物
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摘要
In a method of removing volatile oxidizable compounds from particles present in a container, a gas stream is continuously introduced into the container, the gas stream takes up the oxidizable compound from the particles in the container and a gas stream laden with the oxidizable compound is discharged from the container. In the method of the present invention, oxygen is added to the gas stream which has been discharged and the oxidizable compound present in the discharged gas stream is subsequently at least partly catalytically oxidized by means of the oxygen and this oxidized gas stream forms at least part of the gas stream introduced, so that the gas stream is circulated. This makes safe and inexpensive removal of the oxidizable compounds from the particles possible.
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