화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Korean Journal of Chemical Engineering, Vol.32, No.9, 1744-1748, September, 2015
DOI10.1007/s11814-014-0383-x  Export Citation
Enhancement of CH4-water mass transfer using methyl-modified mesoporous silica nanoparticles
Sung-Yeob Lee, Kyo-Sung Mo, Jin-Ha Choi, Nam Hwi Hur1, Young-Kee Kim2, Byung-Keun Oh†, and Jinwon Lee†
  • Department of Chemical & Biomolecular Engineering, Sogang University, Seoul 121-742, Korea
  • 1Department of Chemistry, Sogang University, Seoul 121-742, Korea
  • 2Department of Chemical Engineering, Hankyong National University, Gyeonggi-do 456-749, Korea
E-mail:,
Surface-modified mesoporous silica nanoparticle (MSN) with methyl groups was used to enhance the CH4-water volumetric mass transfer coefficient (kLa) and the solubility of CH4 in water. Two types of samples were tested: unmodified MSN and methyl-modified MSN. The mass transfer for each type of sample was measured every 20 s by gas chromatography. The results showed that the methyl-modified MSN, which have both hydrophobic and hydrophilic properties on the surface, exhibited higher CH4-water volumetric mass transfer coefficient and solubility in water. The dissolved concentrations of CH4 were enhanced by 10.7% and 27.8%, and the volumetric mass transfer coefficient were enhanced by 28.6% and 84.7%, respectively, by using unmodified MSN and methyl-modified MSN.
Keywords:Methane (CH4) Gas;Mass Transfer;Gas Fermentation;Mesoporous Silica Nanoparticle (MSN);Surface Modification
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