Removal of Ethanethiol Gas by Iron Oxide Porous Ceramsite Biotrickling Filter

Figure 1

Biotrickling filter set-up and technological process (1: liquid-flow meter; 2: sprinklers; 3: absorption bottle; 4: air pump; 5: ethanethiol reservoir; 6: peristaltic pump; 7: mixing gas tank; 8: compressor; 9: nutrient recirculation tank; 10: biotrickling filter; 11 and 13: gas-flow meter; 12: buffered gas-bottle; S, A, B, C, T: sampling port).