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Synthesis of Hierarchical Titanium Silicalite-1 Using a Carbon-Silica-Titania Composite from Xerogel Mild Carbonization

التفاصيل البيبلوغرافية
العنوان: Synthesis of Hierarchical Titanium Silicalite-1 Using a Carbon-Silica-Titania Composite from Xerogel Mild Carbonization
المؤلفون: Xinya Pei, Xiaoxue Liu, Xiaoyu Liu, Jinling Shan, Hui Fu, Ying Xie, Xuemin Yan, Xianzhu Meng, Yancheng Zheng, Geng Li, Qi Wang, Hao Li
المصدر: Catalysts, Vol 9, Iss 8, p 672 (2019)
بيانات النشر: MDPI AG, 2019.
سنة النشر: 2019
المجموعة: LCC:Chemical technology
LCC:Chemistry
مصطلحات موضوعية: hierarchical TS-1, Tween 40, sulfuric acid pre-treatment, carbon-silica-titania composites, oxidative desulfurization, Chemical technology, TP1-1185, Chemistry, QD1-999
الوصف: Hierarchical titanium silicalite-1 (HTS-1) zeolites are an important class of catalytic materials due to their enhanced mass transfer and improved catalytic performance. In this study, HTS-1 zeolites have been successfully prepared by the hydrothermal crystallization of carbon-silica-titania (CST) composites. Compared with the direct carbonization method, the mild carbonization of SiO2-TiO2/Tween 40 xerogel in the presence of sulfuric acid can effectively improve both the content and mesoporous structure of carbon material in the CST composites, which enables carbon materials to better play the role of a mesoporous template during the crystallization process. The resultant zeolite has both ordered micropores and interconnected mesopores and macropores, which are similar to the skeleton of the carbon template trapped in the TS−1 crystals. Moreover, the HTS−1 zeolite displays outstanding catalytic performance in oxidative desulfurization of bulky sulfur compounds.
نوع الوثيقة: article
وصف الملف: electronic resource
اللغة: English
تدمد: 2073-4344
Relation: https://www.mdpi.com/2073-4344/9/8/672; https://doaj.org/toc/2073-4344
DOI: 10.3390/catal9080672
URL الوصول: https://doaj.org/article/3f04de4872fa4b7a9ab8b39bf72597ec
رقم الأكسشن: edsdoj.3f04de4872fa4b7a9ab8b39bf72597ec
قاعدة البيانات: Directory of Open Access Journals
الوصف
تدمد:20734344
DOI:10.3390/catal9080672