Study on Tar Generated from Downdraft Gasification of Oil Palm Fronds

Figure 4

Schematics of gas sampling train: (1) gas from sampling line, (2) moisture collector, (3) series of impinge bottles, (4) backup VOC adsorber (5) ice bath at −20°C, (6) suction pump, (7) rotameter for measuring sampled gas flow rate, (8) gas outlet.