دورية أكاديمية
Promoting Role of Bismuth on Hydrotalcite-Supported Platinum Catalysts in Aqueous Phase Oxidation of Glycerol to Dihydroxyacetone
العنوان: | Promoting Role of Bismuth on Hydrotalcite-Supported Platinum Catalysts in Aqueous Phase Oxidation of Glycerol to Dihydroxyacetone |
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المؤلفون: | Wenjie Xue, Zenglong Wang, Yu Liang, Hong Xu, Lei Liu, Jinxiang Dong |
المصدر: | Catalysts, Vol 8, Iss 1, p 20 (2018) |
بيانات النشر: | MDPI AG, 2018. |
سنة النشر: | 2018 |
المجموعة: | LCC:Chemical technology LCC:Chemistry |
مصطلحات موضوعية: | Mg–Al hydrotalcite, platinum–bismuth nanoparticles, co-impregnation, glycerol oxidation, dihydroxyacetone, Chemical technology, TP1-1185, Chemistry, QD1-999 |
الوصف: | Bismuth plays important roles in promoting the oxidation of alcohols towards high-value-added chemicals over a noble metal loading catalyst. Herein, Mg–Al hydrotalcite-supported platinum–bismuth nanoparticles (Pt–Bi/HT) were prepared by the co-impregnation method and used in the selective oxidation of glycerol towards dihydroxyacetone (DHA). The incorporation of Bi species into Pt/HT significantly enhances the conversion of glycerol and the selectivity of DHA. The high selectivity of DHA with 80.6% could be achieved at 25.1% conversion of glycerol. The Bi species of the Pt–Bi/HT catalyst mainly exist in the form of BiOCl and Bi metal, which is different from the previous Pt–Bi based catalyst, confirmed by a combination of powder X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), and high-resolution transmission electron microscopy (HR-TEM). A plausible mechanism is proposed to elucidate the promoting role of Bi species on the Pt/HT catalyst in the selective oxidation of glycerol towards DHA. |
نوع الوثيقة: | article |
وصف الملف: | electronic resource |
اللغة: | English |
تدمد: | 2073-4344 |
Relation: | http://www.mdpi.com/2073-4344/8/1/20; https://doaj.org/toc/2073-4344 |
DOI: | 10.3390/catal8010020 |
URL الوصول: | https://doaj.org/article/50e0fc834d9f4528a80d4225d76e15c6 |
رقم الأكسشن: | edsdoj.50e0fc834d9f4528a80d4225d76e15c6 |
قاعدة البيانات: | Directory of Open Access Journals |
تدمد: | 20734344 |
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DOI: | 10.3390/catal8010020 |