Kinetics of SO₂ Adsorption on Powder Activated Carbon in a Drop Tube Furnace

Figure 1

Diagram of the drop tube furnace. 1. Gas cylinder. 2. Pressure reducing valve. 3. Flowmeter. 4. Peristaltic pump. 5. Evaporator. 6 and 7. Mixer. 8. AC feeder. 9. Reactor. 10. Electric heater. 11. Cyclone. 12. Sampling hole. 13. Gas analyzer.