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    Layered perovskite-like La2−xCaxNiO4±δ derived catalysts for hydrogen production via auto-thermal reforming of acetic acid

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    Type
    Article
    Authors
    Xie, Wei
    Yang, Jilong
    Wang, Qiao
    Huang, Lihong
    Wang, Ning
    KAUST Department
    Advanced Membranes and Porous Materials Research Center
    Physical Science and Engineering (PSE) Division
    Date
    2018
    Permanent link to this record
    http://hdl.handle.net/10754/630443
    
    Metadata
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    Abstract
    Acetic acid from bio-oil is a renewable resource for hydrogen production. Layered perovskite-like Ca-doped LaCaNiO (x = 0, 0.5, 1, 1.5 and 2) catalysts were prepared via a sol-gel method and tested in auto-thermal reforming (ATR) of acetic acid (AC) for hydrogen production. XRD, TPR, BET, XPS, TG, SEM and TEM characterization was carried out; the results show that the layered perovskite-like structure was the main phase in LaCaNiO with 0 ≤ x ≤ 1, and La-Ca-O composite oxide species increased with increasing calcium content, while the reducibility of Ni metal was gradually enhanced as well. During the ATR process, LaOCO and CaCO species were generated and nickel particles were stable, suggesting that partial substitution of La by Ca in LaCaNiO was beneficial to stabilizing Ni particles with less coking. As a result, over the LaCaNiO catalyst, the AC conversion reached 100% and the hydrogen yield remained stable near 2.80 mol-H per mol-AC during the ATR test.
    Citation
    Xie W, Yang J, Wang Q, Huang L, Wang N (2018) Layered perovskite-like La2−xCaxNiO4±δ derived catalysts for hydrogen production via auto-thermal reforming of acetic acid. Catalysis Science & Technology 8: 3015–3024. Available: http://dx.doi.org/10.1039/c8cy00116b.
    Sponsors
    This work was partly financially supported by the National Natural Science Foundation of China (21276031 and 21506111) and the International Cooperation program sponsored by the S&T Department of Sichuan Province of China (2015HH0013).
    Publisher
    Royal Society of Chemistry (RSC)
    Journal
    Catalysis Science & Technology
    DOI
    10.1039/c8cy00116b
    Additional Links
    http://pubs.rsc.org/en/Content/ArticleLanding/2018/CY/C8CY00116B#!divAbstract
    ae974a485f413a2113503eed53cd6c53
    10.1039/c8cy00116b
    Scopus Count
    Collections
    Articles; Advanced Membranes and Porous Materials Research Center; Physical Science and Engineering (PSE) Division

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