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ISSN : 1738-4125(Print)
ISSN : 2287-7509(Online)
Journal of Odor and Indoor Environment Vol.6 No.3 pp.163-171

나노크기의 카본 콜로이드를 이용한 포름알데히드 저감효율평가에 관한 연구

김선홍, 김도현, 이기훈, 박종필, 조승연*
연세대학교 환경공학과

A Study on the Formaldehyde Removal Efficiency using Nano‐size Carbon Colloid

Seung Yeon Cho*, Seon Hong Kim, Do Hyeon Kim, Ki Hoon Lee, Jong Pill Park
Dept. of Environmental Engineering, Yonsei University


The purpose of this study was to assess the removal efficiency of formaldehyde using carbon nano colloid(CNC) which was produced by comparatively easy and cheap method. In this study, carbon nano colloidbased on water was produced by an electro‐chemical method. The particles which have mostly a sphericalshape whose diameter was, what is called,‘nano‐size’were produced. Non‐woven fabric filter, which iscurrently on the market as a medium filter, was used for the removal efficiency test. Known concentration(0.5 ppm) of formaldehyde standard gas was used as a pollutant. The overall results indicate that (1) nanosizecarbon colloids which have a stable dispersibility of which diameter is approximately 10 nm or less, (2)filters treated with carbon nano colloids showed higher removal efficiency, 44.47 ㎍ of HCHO removed/g ofcarbon and 19.28 ㎍ of HCHO removed/g of carbon, compared to the control experiment using a normalcarbon filter, 1.45 ㎍ of HCHO removed/g of carbon.