화학공학소재연구정보센터
학회 한국공업화학회
학술대회 2015년 가을 (11/04 ~ 11/06, 제주국제컨벤션센터(ICCJEJU))
권호 19권 2호
발표분야 환경에너지_포스터
제목 Effective hydrogen productions from ethanol steam reforming on NiV-supported porous SiO2 catalysts  
초록 Bimetallic NiV supported on SiO2 catalysts were tested in the steam reforming of ethanol. The catalysts were prepared by the wet impregnation method and all the catalysts had a Ni oxide or NiV oxide loading of 30 wt.-% verse SiO2 weight. The catalysts are characterized by EDX, N2-BET, XRD, TPD  with CO and H2O, and TPR with H2. From the analyses of XRD and XPS, it was also possible to estimate the oxidation states and the crystallite sizes of the NiO or metallic Ni in NiV/SiO2 catalysts, which suggested the depressed agglomeration between Ni particles by V promoters. The ESR catalytic tests for hydrogen production were performed in a fixed bed reactor containing 0.4 g catalyst at 650 oC and 6,000 h-1 GHSV after H2-pre treatment, with an inlet H2O:EtOH ratio of 3:1. These tests showed that the hydrogen evolution on the Ni8V2/SiO2 catalyst during ESR was significantly improved by the suppressing deposition of carbon, compared to those on the Ni/SiO2 catalyst.
저자 강미숙1, 이상태2, 이태진1, 박노국1, 임영환1, 곽병섭1
소속 1영남대, 2(주) 우신산업
키워드 ESR; H2; V-promoter; NiV/SiO2; Particle agglomeration
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