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Autothermal reforming of methane to hydrogen in a palladium membrane reactor: characterization of bimetallic Pt-NiO/delta-Al2O3 catalyst

机译:钯膜反应器中甲烷自动热重整为氢:双金属Pt-NiO /δ-Al2O3催化剂的表征

摘要

A bimetallic Pt(0.2)-Ni(25)/delta-Al2O3 (wt/wt%) was prepared by incipient wetness technique. The catalyst was characterized by X-ray diffraction (XRD) and Temperature-programmed reduction (TPR) analysis. The catalyst characterization results showed that doping of Pt catalyses the complete reduction of Ni2+ to Ni0 and a bimetallic surface interaction was formed. The NiAl2O3 spinel phases were observed and reduced at lower temperatures.
机译:通过初期润湿技术制备了双金属Pt(0.2)-Ni(25)/δ-Al2O3(wt / wt%)。通过X射线衍射(XRD)和程序升温还原(TPR)分析来表征催化剂。催化剂表征结果表明,掺杂Pt可以催化Ni2 +完全还原为Ni0,并形成双金属表面相互作用。观察到NiAl2O3尖晶石相并在较低温度下还原。

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