Dehydrogenation of propane over a hydrothermal-synthesized ga2o3-al2o3 catalyst in the presence of carbon dioxide
文献类型：期刊论文
| 作者 | Xiao, He1,2; Zhang, Junfeng1; Wang, Peng1,2; Wang, Xiaoxing1; Pang, Fei1,2; Zhang, Zhenzhou1,2; Tan, Yisheng1,3 |
| 刊名 | Catalysis science & technology
 |
| 出版日期 | 2016 |
| 卷号 | 6期号:13页码:5183-5195 |
| ISSN号 | 2044-4753 |
| DOI | 10.1039/c5cy02161h |
| 通讯作者 | Tan, yisheng(tan@sxicc.ac.cn) |
| 英文摘要 | The hydrothermal synthesis method was adopted to prepare a highly active ga2o3-al2o3 catalyst (ga-hs), which displayed superior catalytic performance for dehydrogenation of propane to propylene in the presence of co2 (dhp-co2). the highest propane conversion on ga-hs was 35.2%, which was much higher than that from the catalysts prepared using the grind-mixture method (8.7%) or coprecipitation method (26.2%). moreover, propylene selectivity over the ga-hs catalyst was higher than that over the other catalysts in a period of 9 h of reaction. these catalysts were characterized by n-2 physical adsorption, icp-aes, xrd, tga, tem, sem, drift, py-ftir, nh3-tpd, xps, al-27 mas nmr and ga-71 mas nmr techniques. the characterization data indicated that the hydrothermal treatment increased the surface area, expanded the pore size and promoted the formation of more tetrahedral ga ions and the generation of more medium-strong lewis acid sites. furthermore, this catalyst mainly displayed an amorphous sponge-like morphology as well as a new morphology whereby some pieces were covered with amorphous nanoparticles. the superior activity of ga-hs was attributed to the higher surface area of this catalyst and the larger amount of tetrahedral ga ions (ga3+ and probably ga delta+ delta < 2) related to the medium-strong lewis acid sites. |
| WOS关键词 | GALLIUM-LOADED CATALYSTS ; OXIDE-BASED CATALYSTS ; OXIDATIVE DEHYDROGENATION ; SURFACE-COMPOSITION ; MIXED OXIDES ; GA-71 NMR ; CO2 ; ETHANE ; XPS ; AROMATIZATION |
| WOS研究方向 | Chemistry |
| WOS类目 | Chemistry, Physical |
| 语种 | 英语 |
| WOS记录号 | WOS:000378734700058 |
| 出版者 | ROYAL SOC CHEMISTRY |
| URI标识 | http://www.irgrid.ac.cn/handle/1471x/2374623 |
| 专题 | 中国科学院大学 |
| 通讯作者 | Tan, Yisheng |
| 作者单位 | 1.Chinese Acad Sci, Inst Coal Chem, State Key Lab Coal Convers, Taiyuan 030001, Peoples R China 2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China 3.Chinese Acad Sci, Natl Engn Res Ctr Coal Based Synth, Taiyuan 030001, Peoples R China |
| 推荐引用方式 GB/T 7714 | Xiao, He,Zhang, Junfeng,Wang, Peng,et al. Dehydrogenation of propane over a hydrothermal-synthesized ga2o3-al2o3 catalyst in the presence of carbon dioxide[J]. Catalysis science & technology,2016,6(13):5183-5195. |
| APA | Xiao, He.,Zhang, Junfeng.,Wang, Peng.,Wang, Xiaoxing.,Pang, Fei.,...&Tan, Yisheng.(2016).Dehydrogenation of propane over a hydrothermal-synthesized ga2o3-al2o3 catalyst in the presence of carbon dioxide.Catalysis science & technology,6(13),5183-5195. |
| MLA | Xiao, He,et al."Dehydrogenation of propane over a hydrothermal-synthesized ga2o3-al2o3 catalyst in the presence of carbon dioxide".Catalysis science & technology 6.13(2016):5183-5195. |
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来源：中国科学院大学
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