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Citation: LI Xue-Ling, YUE Bao-Hua, WANG Xue-Guang, YU Fei, KONG Ling-Hua, LU Xiong-Gang, DING Wei-Zhong. Preparation of NiO/Mg_xSi_1-xO_y Catalysts and Their Application in Catalytic Cracking of Tar Components in Hot Coke Oven Gas[J]. Acta Physico-Chimica Sinica, ;2009, 25(04): 762-766. doi: 10.3866/PKU.WHXB200904231 shu

Preparation of NiO/Mg_xSi_1-xO_y Catalysts and Their Application in Catalytic Cracking of Tar Components in Hot Coke Oven Gas

1.
Shanghai Key Laboratory of Modern Metallurgy and Material Processing, Shanghai University, Shanghai 200072, P. R. China; Department of Chemistry, College of Sciences, Shanghai University, Shanghai 200444, P. R. China; Research Center of Nanoscience and Nanotechnology, Shanghai University, Shanghai 200072, P. R. China

Received Date: 25 November 2008
Available Online: 24 February 2009

NiO/MgxSi1 -xOy catalysts were prepared by incipient wetness impregnation with MgxSi1 -xOy supports synthesized by the sol-gel method. These catalysts were characterized by Brunauer-Emmett-Teller (BET), X-ray diffraction (XRD) and transmission electron microscope (TEM). The catalytic activity of NiO/MgxSi1-xOy catalysts was evaluated in a fixed-bed reactor via the catalytic cracking of toluene and naphthalene as model tar compounds in hot coke oven gas (COG). The results showed that the calcination temperature of the catalysts, reaction space velocity and Mg/Si atomic ratio greatly influenced the reaction activity of the catalysts. 10%(w) NiO/Mg0.80Si0.20Oy could fully convert toluene and naphthalene into light fuel gases such as CO and CH4, showing od catalytic activity, stability and resistance to coke deposition.
- SiO2,
- M ,
- Ni catalyst,
- Catalytic cracking,
- Tar
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沈阳化工大学材料科学与工程学院沈阳 110142

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Preparation of NiO/MgxSi1-xOy Catalysts and Their Application in Catalytic Cracking of Tar Components in Hot Coke Oven Gas

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通讯作者: 陈斌, bchen63@163.com

Preparation of NiO/Mg_xSi_1-xO_y Catalysts and Their Application in Catalytic Cracking of Tar Components in Hot Coke Oven Gas