کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
4756488 | 1419012 | 2017 | 15 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
One-pot preparation of Ni-Cu nanoparticles supported on γ-Al2O3 as selective and stable catalyst for the Guerbet reaction of 1-octanol
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی شیمی
کاتالیزور
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: One-pot preparation of Ni-Cu nanoparticles supported on γ-Al2O3 as selective and stable catalyst for the Guerbet reaction of 1-octanol One-pot preparation of Ni-Cu nanoparticles supported on γ-Al2O3 as selective and stable catalyst for the Guerbet reaction of 1-octanol](/preview/png/4756488.png)
چکیده انگلیسی
This paper reports on the “in-situ” preparation-deposition and reduction of Ni-Cu nanoparticles (NPs) on γ-Al2O3 as support, using a green and elegant one-pot synthesis approach. Pristine and supported Ni-Cu NPs were evaluated as (de)hydrogenation catalysts for the Guerbet reaction of 1-octanol and compared with a classic impregnated and “ex-situ” reduced NiCu on γ-Al2O3 catalyst. XRD reavealed that the degree of Ni-Cu nano-alloying was insignificant in the one-pot preparation method, resulting in Ni-Cu nanocomposites, while the degree of nano-alloying was resp. low and very high in the pristine nanoparticles (NPs) and the classic impregnated catalyst. The degree of reduction was very similar for both the in-situ and ex-situ reduction treatments of the supported catalysts as demonstrated by H2 chemisorption. The “in-situ” prepared supported Ni-Cu NPs showed an enhanced kinetics when compared to the unsupported pristine Ni-Cu NPs, showing a beneficial effect of the metal-support interaction, however the classic impregnated catalyst showed overall the best kinetics, selectivity and stability for the Guerbet reaction of 1-octanol.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Catalysis Communications - Volume 98, 10 July 2017, Pages 94-97
Journal: Catalysis Communications - Volume 98, 10 July 2017, Pages 94-97
نویسندگان
Willinton Y. Hernández, Kevin De Vlieger, Sander Clerick, Pascal Van Der Voort, An Verberckmoes,