Table 4: Changes in the absolute humidity in the permeate when using polyolefin membranes made of LDPE, HDPE, PE + graphite, PP, and PMP. The concentrations in the feed and permeate are measured with a digital /RH sensor (HYT221).

MembranSensor [g/m3] [g/m3] [g/m3] [g/m3]

PE-LD HYT2214,89,40,71,4
PE-HDHYT2214,99,60,20,5
PE + CHYT2215,11000,2
PPHYT2214,89,50,20,2
PMPHYT2214,89,80,81,7