期刊
INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
卷 49, 期 20, 页码 10144-10148出版社
AMER CHEMICAL SOC
DOI: 10.1021/ie101032x
关键词
-
资金
- U.S. Department of Energy
Nickel-based catalysts have been widely tested for reforming undesired tar and methane from hot biomass-derived syngas. However, nickel catalysts readily deactivate through the adsorption of sulfur compounds in the syngas. We report a new regeneration process that can effectively regenerate sulfur-poisoned Ni reforming catalysts. This process consists of four sequential treatments: (1) controlled oxidation at 750 degrees C in 1% O(2), (2) decomposition at 900 degrees C in inert gas, (3) reduction at 900 degrees C in 2% H(2), and (4) reaction at 900 degrees C under reforming condition. This 4-step regeneration process might have advantages over the conventional steam regeneration process.
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