METHOD AND APPARATUS FOR PURIFYING NOXIOUS GASES

PURPOSE: Provided is an electrostatic precipitator with zeolite adsorbent which can cope with noxious gas stream containing high NOx concentration of higher than 200 ppm or more because low voltage is applied to the zeolite adsorbent to capture contaminants from noxious gas stream when high NOx gas...

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Bibliographische Detailangaben
Hauptverfasser:	HONG, YEONG GI, SHIN, SU YEON, HUH, GYEONG UK
Format:	Patent
Sprache:	eng ; kor
Schlagworte:	AIR-CONDITIONING, AIR-HUMIDIFICATION, VENTILATION, USE OF AIRCURRENTS FOR SCREENING BLASTING HEATING LIGHTING MECHANICAL ENGINEERING PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL RANGES SEPARATION TRANSPORTING VENTILATING WEAPONS
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Beschreibung
Zusammenfassung:	PURPOSE: Provided is an electrostatic precipitator with zeolite adsorbent which can cope with noxious gas stream containing high NOx concentration of higher than 200 ppm or more because low voltage is applied to the zeolite adsorbent to capture contaminants from noxious gas stream when high NOx gas stream is introduced. CONSTITUTION: The electrostatic precipitator with zeolite adsorbent comprises a plasma generator(10) which is equipped with grounded collector plate(120) and discharge electrode(110); a sensor(150) which is installed to measure the gas concentration of influent gas; and a voltage generator(140) which applies voltage to the both sides of the zeolite adsorbent(20) and the plasma generator according to the signal from the senor. The senor controls the voltage level applied to the both sides of the zeolite adsorbent according to the signal from the senor, and transfers on/off signal to the plasma generator.