학회 | 한국화학공학회 |
학술대회 | 2015년 봄 (04/22 ~ 04/24, 제주 ICC) |
권호 | 21권 1호, p.107 |
발표분야 | 공업화학 |
제목 | Structured Amine Functionalized Silica Adsorbents for Efficient CO2 Recycling |
초록 | In this work, linker added double-functionalized amine adsorbents were fabricated exhibiting the improved performance in regeneration process. Linkers having the functional groups such as carboxylic acid or sulfonic acid were introduced with amines into aminosilane-grafted solid adsorbents. Acid-base interaction between the linkers and the amines is expected to improve the thermal stability by linking amines and faster the desorption rate by lowering CO2 binding energy of the amines. The interaction between the chemical linkers and the amines is confirmed from IR spectra analysis of chemical linker-amine mixture and as-prepared adsorbents. As-prepared adsorbent showed the improvement in the thermal stability from the thermogravimetric analysis. The structural characteristics were also investigated on the adsorbents, and repetitive adsorption-desorption cyclic test in fixed-bed reactor were performed. |
저자 | 정현철, 이창훈, 조동현, 전선빈, 김성현 |
소속 | 고려대 |
키워드 | CO2 capture; amine; aminosilane; chemical linker |
원문파일 | 초록 보기 |