The Study of Catalytic Reforming of Coke Oven Gas Producing Hydrogen-Rich Gas

Peng Liang; Jian Hui Li; Yan Xia Liu; Tao Liu

doi:10.4028/www.scientific.net/AMR.512-515.2271

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The Study of Catalytic Reforming of Coke Oven Gas Producing Hydrogen-Rich Gas
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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 512-515The Study of Catalytic Reforming of Coke Oven Gas...

The Study of Catalytic Reforming of Coke Oven Gas Producing Hydrogen-Rich Gas

Abstract:

Two series of nickel-based catalyst, NiO/Al₂O₃ and NiO/MgO/Al₂O₃ were prepared by the impregnation and step-by-step impregnation methods in the experiment. Toluene as the tar model compounds, the effect of catalyst composition and reaction condition on the catalytic conversion of tar components in coke oven gas were investigated. The results showed that to get more methane at higher reaction temperature, catalyst of 0.1% NiO loading is prefered. MgO could reduce the carbon deposition on the catalyst surface. The high temperature was conducive to the formation of H₂ and CO, but was not favorable for the CH₄ formation in the investigated temperature. The space velocity had little influence on the production of H₂ and CO, but the larger space velocity was good for the formation of CH₄. In addition, higher H2O /toluene ratio brought a higher H₂ production, but lower CO and CH₄ production.