1. Preliminary test

Fig. 1. Ammonia & Trimethylamine concentration change according to treatment time
(when two tobacco smoke in box 50×50×100cm³)

Fig. 2. CO & ethanol concentration change according to treatment time
(when four tobacco smoke in box 50×50×100cm³)

Fig. 3. Ammonia & Trimethylamine removal efficiency according to treatment time
(when two tobacco smoke in box 50×50×100cm³)

Fig. 4. CO & ethanol removal efficiency according to treatment time
(when four tobacco smoke in box 50×50×100cm³)

2. The first stage conclusion

(1) Fine particle & toxic gas removal simultaneously

(2) Compact and simple structure with high efficiency

(3) Steady and strong streamer discharge

(4) Good high voltage power supply reliability

(5) Low cost to manufacture

(6) Convenience and low noise