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논문 기본 정보

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동향자료
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Lee, Heejin (School of Environmental Engineering, University of Seoul) Park, Rae-su (Department of Bioenvironmental & Chemical Engineering, Chosun College of Science & Technology) Lee, Hyung Won (School of Environmental Engineering, University of Seoul) Hong, Yeojin (School of Environmental Engineering, University of Seoul) Lee, Yejin (School of Environmental Engineering, University of Seoul) Park, Sung Hoon (Department of Environmental Engineering, Sunchon National University) Jung, Sang-Chul (Department of Environmental Engineering, Sunchon National University) Yoo, Kyung-Seun (Department of Environmental Engineering, Kwangwoon University) Jeon, Jong-Ki (Department of Chemical Engineering, Kongju National University) Park, Young-Kwon (School of Environmental Engineering, University of Seoul)
저널정보
한국탄소학회 Carbon letters Carbon letters 제19권
발행연도
2016.1
수록면
79 - 88 (10page)

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As a replacement for activated carbon, biochar was synthesized and used for the adsorptive removal of formaldehyde and nitrogen oxide. Biochar was produced from the fast pyrolysis of the red marine macro alga, Pyropia tenera. The P. tenera char was then activated with steam, ammonia and KOH to alter its characteristics. The adsorption of formaldehyde, which is one of the main indoor air pollutants, onto the seaweed char was performed using 1-ppm formaldehyde and the char was activated using a range of methods. The char activated with both the KOH and ammonia treatments showed the highest adsorptive removal efficiency, followed by KOH-treated char, ammonia-treated char, steam-treated char, and non-activated char. The removal of 1000-ppm NO over untreated char, KOH-treated char, and activated carbon was also tested. While the untreated char exhibited little activity, the KOH-treated char removed 80% of the NO at 50℃, which was an even higher NO removal efficiency than that achieved by activated carbon.

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