Filter material for purifying waters containing oil, process for the preparation of this material and device for two-stage purification of waters containing oil

摘要

The filter material for the purification of waters containing oil is made of oleophilic plastic foam with open pores which are open on one side only and the two-stage purification device comprises two bodies whose inner chambers are connected to each other. A first filter element 4 and a separation chamber 5 are installed inside the first body 3, while a second filter element 11 is installed inside the second body 10. Application to the filtration of waters containing oil or emulsified oils. <IMAGE>