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장태선(Tae-Sun Chang),박정현(Jung-Hyun Park),강태진(Tae-Jin Kang),노종선(Jong Seon Roh),허융진(Yung Jin Hur),박상규(Sangkyu Park) 한국에너지기후변화학회 2017 에너지기후변화학회지 Vol.12 No.2
In this study, the adsorbent derived from water treatment sludge was prepared and characterized via various analytical tools such as N2-sorption, XRD, XRF, and NH₃/CO₂-TPD. The adsorbent and activated carbon were applied for the removal of hazardous gases of ammonia, form aldehyde, and benzene, etc. The activated carbon and adsorbent possessed the surface area of around 543.2 ㎡/g and 93.3 ㎡/g, respectively. The adsorbent had a large amount of acid and base properties in NH₃/CO₂-TPD analyses, while the activated carbon was negligible level. For NH₃/HCHO test, despite the low surface area of the adsorbent, the adsorbent displayed a similar removal efficiency compared with the activated carbon due to the chemical adsorption caused by the acid-base properties. However, the activated carbon showed a better efficiency in benzene/toluene test than that of the adsorbent due to a large surface area.