화학공학소재연구정보센터
학회 한국공업화학회
학술대회 2019년 가을 (10/30 ~ 11/01, 제주국제컨벤션센터(ICC JEJU))
권호 23권 2호
발표분야 포스터_촉매
제목 Structure-dependent catalytic properties of mesoporous cobalt oxides in furfural hydrogenation
초록 As the development of noble metal free catalysts became important in the biomass conversion, catalytic hydrogenation of furfural (FAL) is investigated over ordered mesoporous cobalt oxide (m-Co3O4). When m-Co3O4 is reduced at 350 and 500 °C in H2, the original crystal structure of Co3O4 is changed to CoO and Co, respectively. Here we examine the effect of the structure, porosity, and oxidation state of m-Co3O4 to identify catalytically active species for hydrogenation of FAL. Among cobalt oxide catalysts having different crystal structures and symmetry, m-CoO having p6mm symmetry exhibits the highest activity. In product selectivity, the CoO phase induces FAL hydrogenolysis by selective production of 2-methylfuran (MF), while the Co3O4 and Co phases promote preferential hydrogenation of side chain (C=O) of FAL to furfuryl alcohol. Overall, these studies demonstrate that CoO as the most active phase is responsible for the high FAL conversion and the distinct pathway of FAL to MF.
저자 이지현, 안광진
소속 울산과학기술원
키워드 Mesoporous; Cobalt oxide; Catalyst; Furfural; Selectivity
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