Journal of the Korea Organic Resources Recycling Association (유기물자원화)

Korea Organic Resources Recycling Association (유기성자원학회)
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Reviews on an Improvement and Measurement of the Hydrophobicity for Carbon Materials

탄소재료의 소수성 향상 방법 및 측정 방법에 대한 고찰

  • Kang, Yu-Jin (Department of Chemical and Biological Engineering, Hanbat National University) ;
  • Kim, Yu-Jin (Department of Chemical and Biological Engineering, Hanbat National University) ;
  • Jang, Min-Hyeok (Department of Chemical and Biological Engineering, Hanbat National University) ;
  • Jo, Hyung-Kun (Department of Chemical and Biological Engineering, Hanbat National University) ;
  • Yoon, Seong-Jin (Department of Chemical and Biological Engineering, Hanbat National University) ;
  • Han, Gyoung-Jae (Department of Chemical and Biological Engineering, Hanbat National University) ;
  • Cho, Hye-Ryeong (Department of Chemical and Biological Engineering, Hanbat National University) ;
  • Seo, Dong-Jin (Department of Chemical and Biological Engineering, Hanbat National University) ;
  • Park, Joo-Il (Department of Chemical and Biological Engineering, Hanbat National University)
  • 강유진 (한밭대학교 화학생명공학과) ;
  • 김유진 (한밭대학교 화학생명공학과) ;
  • 장민혁 (한밭대학교 화학생명공학과) ;
  • 조형근 (한밭대학교 화학생명공학과) ;
  • 윤성진 (한밭대학교 화학생명공학과) ;
  • 한경재 (한밭대학교 화학생명공학과) ;
  • 조혜령 (한밭대학교 화학생명공학과) ;
  • 서동진 (한밭대학교 화학생명공학과) ;
  • 박주일 (한밭대학교 화학생명공학과)
  • Received : 2022.10.19
  • Accepted : 2022.11.02
  • Published : 2022.12.30
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Abstract

Recently, research on carbon adsorbents has been active as an interest in improving the environment such as indoor and outdoor air quality. Considering that causative substances deteriorate the air quality are basically volatile organic compounds, it is important to improve the hydrophobicity of the carbon materials for better removal efficiency. This study presents a method for improving hydrophobicity of carbon and a measurement of the hydrophobicity. Generally, methods of improving the hydrophobicity of carbon materials are heat treatment, acid/alkali treatment, coating and immersion with hydrophobic materials. However, it collapses the pore structure and reduces the adsorption capacity. Therefore, this study briefly introduce not only the general method for improving carbon materials' hydrophobicity but also the method for converting the precursor of the material is briefly introduced. Futhermore, this study introduces a analytical technique used to determine hydrophobic modification or not, and aims to enhance the understanding of carbon materials.

최근 실 내·외 공기 질 등 환경 개선에 대한 관심으로 탄소흡착제의 연구가 활발하다. 기본적으로 공기질을 악화시키는 원인 물질이 대부분 휘발성유기화합물인 것을 감안한다면, 탄소재료의 소수성을 개선하여 더 우수한 제거 효율을 확보하는 것이 중요하다. 본 논고는 탄소의 소수성 향상 방법과 소수성 측정 방법을 고찰하고자 한다. 일반적으로, 탄소재료의 소수성을 향상시키는 방법으로 열처리, 산 및 알카리 처리, 소수성 물질들을 이용한 코팅 및 침지 등이 알려져있다. 이러한 방법들을 통해 탄소재료의 소수성 향상은 가능하나, 탄소재료(특히 활성탄)의 기공 구조를 붕괴시키거나 흡착능력을 감소시키는 등의 한계점이 있다. 따라서, 본 논고에서는 일반적으로 사용되는 탄소재료의 소수성 향상방법에 더하여 재료의 전구체 변환 방법에 대해서도 간단히 소개하고자 한다. 더불어, 소수성개질의 여부를 판단하기위해 사용하고 있는 분석 기법들을 본 논고에 소개하며, 탄소재료에 대한 이해를 높이고자 한다.

Keywords

Acknowledgement

이 연구는 2022년도 한국환경산업기술원(KEITI)의 녹색혁신기업 성장지원 프로그램 연구비 지원을 받아 수행하였습니다(과제번호 2020003160004).

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