화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Applied Chemistry for Engineering, Vol.32, No.1, 42-48, February, 2021
DOI10.14478/ace.2020.1108  Export Citation
열분해 연료유 및 PET 기반 활성탄을 이용한 NO 가스 센서의 감도 향상 연구
NO Gas Sensor with Enhanced Sensitivity Using Activated Carbon Prepared from Pyrolysis Fuel Oil and Polyethylene Terephthalate
곽철환1, 2, 서상완1, 3, 김민일1, 임지선1, 4, †, 강석창5, †
  • 1한국화학연구원 C1가스⋅탄소융합연구센터
  • 2인하대학교 생명공학과
  • 3충남대학교 응용화학공학과
  • 4과학기술연합대학원대학교 화학소재 및 공정
  • 5한국화학연구원 C1가스⋅탄소융합연구센터, 강석창
Cheol Hwan Kwak1, 2, Sang Wan Seo1, 3, Min Il Kim1, Ji Sun Im1, 4, †, and Seok Chang Kang1, †
  • 1C1 Gas & Carbon Convergent Research, Korea Research Institute of Chemical Technology (KRICT), Daejeon 34114, Republic of Korea
  • 2Department of Biological Engineering, Inha University, Incheon 22212, Republic of Korea
  • 3Department of Applied Chemical Engineering, Chungnam National University, Daejeon 34134, Republic of Korea
  • 4Advanced Materials and Chemical Engineering, University of Science and Technology (UST), Daejeon 34113, Republic of Korea
E-mail:,
초록
본 연구에서는 열분해 연료유를 이용하여 석유계 피치 기반 활성탄을 제조하였고, 이를 활용하여 일산화질소 가스검출 센서를 개발하였다. 피치의 분자량 증가를 위해 피치 합성 시 중합 반응을 촉진시키는 폴리에틸렌 테레프탈레이트를 첨가하였다. 피치의 분자량 증가는 피치 기반 활성탄의 비표면적 및 미세기공 부피 증가에 기여하였고, 이는 활성탄 기반 센서의 일산화질소 가스 검출 특성 향상시켰다. 또한 테레프탈레이트 첨가 피치를 사용할 때 활성탄의 표면 산소 관능기 및 전도성 변화를 확인하고 테레프탈레이트 첨가가 활성탄의 물성 및 일산화질소 가스 검출 특성에 미치는 영향을 분석하였다.
In this study, a sensor for detection of nitric oxide (NO) gas was developed using petroleum pitch-based activated carbon which was synthesized from pyrolysis fuel oil (PFO). Polyethylene terephthalate (PET) was added to increase molecular weight by stimulating a polymerization of components in PFO during the pitch synthesis process. The increase in the molecular weight of pitch contributed to the improvement of textural properties of activated carbon, such as the specific surface area and micropore volume. It also enhanced the sensitivity of NO gas sensor based on the activated carbon. In addition, the effect of PET addition during the pitch synthesis on the surface oxygen content and conductivity of activated carbon was investigated. Finally, the correlation of the sensitivity with physical properties of activated carbon was analyzed.
Keywords:Pyrolysis fuel oil;Petroleum pitch;Activated carbon;Gas sensor;Nitric oxide
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