화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Journal of Industrial and Engineering Chemistry, Vol.17, No.1, 1-5, January, 2011
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Comparison of removal ability of indoor formaldehyde over different materials functionalized with various amine groups
Doo Il Kim1, Jong Hwa Park2, Shin Do Kim1, Jae-Young Lee1, Jin-Heong Yim3, Jong-Ki Jeon4, Sung Hoon Park5, and Young-Kwon Park1, 2, †
  • 1School of Environmental Engineering, University of Seoul, Seoul 130-743, Republic of Korea
  • 2Graduate School of Energy and Environmental System Engineering, University of Seoul, Seoul 130-743, Republic of Korea
  • 3Division of Advanced Materials Engineering, Kongju National University, Cheonan 331-717, Republic of Korea
  • 4Department of Chemical Engineering, Kongju National University, Cheonan 331-717, Republic of Korea
  • 5Department of Environmental Engineering, Sunchon National University, Suncheon 540-742, Republic of Korea
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In this study, a mesoporous material (MCM-41), crystalline microporous zeolite (HY), and amorphous silica (XPO-2412) were functionalized with three kinds of amine groups, namely 3-aminopropyltriethoxysilane (APTES), N(b-aminoethyl) g-aminopropylmethyl dimethoxysilane (AEAPMDMS), and N1-(3-(trimethoxysilyl)-propyl) diethylenetriamine (TMSPDETA) and their performances for formaldehyde adsorption evaluated. BET, XRD, and elemental analysis were used to evaluate structural and surface characteristics of the adsorbents. Due to its large specific surface area, the adsorption efficiency of MCM-41 increased with the amount of amine groups (MCM-41/APTES < MCM-41/AEAPMDMS < MCM-41/TMSPDETA) functionalized to its surface; whereas AEAPMDMS was the best amine group for HY and XPO-2412 as TMSPDETA reduced the surface area to a great extent. The order of formaldehyde removal efficiency was shown to be MCM-41/TMSPDETA > XPO-2412/AEAPMDMS > HY/AEAPMDMS. The adsorption efficiency was the highest at 30 ℃, while decreasing rapidly above 30 ℃, suggesting an optimumtemperature for interaction between the amine groups and formaldehyde. Given the results of this study, amine functionalized MCM-41 is believed to have great potential as an adsorbent for removing indoor formaldehyde at room temperature.
Keywords:Formaldehyde;Amine functionalized;MCM-41;Adsorption
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