NO Removal from Simulated Diesel Engine Exhaust Gas by Cyclic Scrubbing Using NaClO₂ Solution in a Rotating Packed Bed Reactor

Figure 1

Schematic diagram of the experimental system. 1: diesel engine; 2, 3, and 5: gas flowmeters; 4: SO₂ cylinder; 6: NO cylinder; 7: liquid flowmeter; 8: regulating valve; 9 and 13: pumps; 10: RPB reactor; 11: pH electrode; 12: scrubbing solution; 14: alkaline solution; 15: gas analyzer; 16: three-way valve.