期刊
JOURNAL OF THE TAIWAN INSTITUTE OF CHEMICAL ENGINEERS
卷 65, 期 -, 页码 233-241出版社
ELSEVIER
DOI: 10.1016/j.jtice.2016.05.006
关键词
Biomass gasification; Low-temperature; Toluene; Carbon-supported catalyst; Steam reforming
资金
- Fundamental Research Funds for the Central Universities [2015XKMS046, 2015QNA27]
- National Natural Science Foundation of China [21506248]
- Scientific Research Foundation of Key Laboratory of Coal-based CO2 Capture and Geological Storage [2015A03]
- Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD)
In order to decrease the reaction temperature of catalytic cracking of tar derived from biomass gasification and prolong the lifetime of catalyst, nickel supported on activated carbon (Ni/AC) catalysts were prepared by impregnation method and used in steam reforming of toluene, a model tar compound, in a fixed bed reactor. The physiochemical properties of the catalysts were analyzed by N-2 adsorption, X-ray diffraction (XRD), and transmission electron microscopy (TEM), etc. The effects of nickel content, calcination temperature and reaction temperature on carbon conversion were investigated, and the catalytic performance of the Ni/AC catalyst was compared with those of Al2O3/olivine-supported nickel catalysts. The results showed that the Ni/AC catalyst with 10 wt% of nickel loading and 600 degrees C of calcination temperature had the best low-temperature catalytic activity at 600 degrees C for toluene reforming, and the carbon conversion achieved about 99%. The high performance of the 600-10%Ni/AC catalyst was probably accounted for the AC support, which had a large BET surface area and unique porous structure, and therefore, a fine nickel particle size distribution on it. It also could be known by XRD analysis that nickel loaded on the surface of AC was in the form of metallic state after calcination, thus decreasing the use of hydrogen for reduction before reaction, so the catalyst preparation process can be simplified and the cost will be saved. (C) 2016 Taiwan Institute of Chemical Engineers. Published by Elsevier B.V. All rights reserved.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据