region communicates with a gas outlet inside the body to remove the separated gas application_number US 57639695 A description fig1 shows a side view of a device according to the invention which essentially consists of a body 1 having arms 2 extending radially outwards each of which is provided with channels 3 and 4 an inlet 5 and a cavity 6 opening outwardly so that there is a connection to space 13 where the medium to be degassed is located the suction opening or inlet 5 connects space 13 to channel 4 which is in turn connected to cavity 6 channel 3 connects cavity 6 to the suction conduit or collecting channel 7 body 1 is connected to a drive shaft 9 so that the whole device rotates in direction 20 in a housing 12 into which feed medium may enter through an opening 10 and from which the medium processed according to the invention may exit through an opening 11 fig2 shows a plan view of the device similar parts being indicated with the corresponding reference numerals according to fig1 an embodiment having three arms 2 is shown in plan view in fig2 a section a a according to fig1 is shown in fig3 fig3 a shows a plan view of a device according to the invention this figure giving on the one hand media flows and on the other hand important operation and device parameters with reference to these figures the process is to be explained in.