| 摘要 |
<p>Method for purifying exhaust air, particularly styrol-laden air, by filtration of the styrol, and device for implementing said method. A biological filter made of tree bark, particularly pine-tree bark, is used as filter (15). The filter is comprised of a filling of grains having a diameter comprised between 0.5 and 3 cm. The method is particularly economical in comparison to corresponding methods of the art which use activated carbon filters for the physical absorption of the styrol.</p> |
