利用聚合络合法在铁铬铝整体石上轻松沉积 Ni-La-Zr 催化剂:应用于通过生物气三转化生产合成气

IF 1.7 4区 化学 Q4 CHEMISTRY, PHYSICAL Reaction Kinetics, Mechanisms and Catalysis Pub Date : 2024-04-27 DOI:10.1007/s11144-024-02631-z
Santiago Veiga, Mariano Romero, Juan Bussi
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引用次数: 0

摘要

本研究的目的是通过将催化剂浸泡在改性聚合物前驱体溶液中,使其在金属表面原位生长,从而在铁铬铝单片上沉积镍-拉-锆催化剂。通过 X 射线衍射、原子力显微镜和扫描电子显微镜对制备的整体石进行了表征,并在模拟沼气(CH4/CO2 = 3)的三重转化反应中进行了合成气生产测试。在 50 小时的测试中,整体催化剂比粉末催化剂具有更好的稳定性。相比之下,粉末状催化剂的失活更为明显,这与较高的碳沉积有关。这项研究提供了一种在铁铬铝整体石上沉积镍基催化剂的简单方法,用于沼气三重转化反应,为沼气提纯提供了有价值的信息。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

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Facile deposition of a Ni–La–Zr catalyst on a FeCrAl monolith using the polymerized complex method: application to syngas production by tri-reforming of biogas

The aim of this study was to deposit a Ni–La–Zr catalyst on a FeCrAl monolith by in situ growth of the catalyst on a metallic surface through immersion in a modified polymeric precursor solution. The prepared monolith was characterized by X-ray diffraction, atomic force microscopy, and scanning electron microscopy and was tested in a tri-reforming reaction of simulated biogas (CH4/CO2 = 3) for synthesis gas production. The monolithic catalyst presented better stability than the powdered catalyst under the 50-h test. In contrast, the powdered catalyst showed more pronounced deactivation, which was associated with higher carbon deposition. This study provides valuable information on a simple deposition method for Ni-based catalysts on FeCrAl monoliths for biogas tri-reforming reactions, which could have implications for biogas upgrading.

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来源期刊
CiteScore
3.30
自引率
5.60%
发文量
201
审稿时长
2.8 months
期刊介绍: Reaction Kinetics, Mechanisms and Catalysis is a medium for original contributions in the following fields: -kinetics of homogeneous reactions in gas, liquid and solid phase; -Homogeneous catalysis; -Heterogeneous catalysis; -Adsorption in heterogeneous catalysis; -Transport processes related to reaction kinetics and catalysis; -Preparation and study of catalysts; -Reactors and apparatus. Reaction Kinetics, Mechanisms and Catalysis was formerly published under the title Reaction Kinetics and Catalysis Letters.
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