引用本文:
王鉴, 赵如松, 徐铸德. 丙烷在钒-磷混合氧化物催化剂上晶格氧氧化及其循环流化床工艺[J]. 应用化学,
2000, 17(3): 313-315.
Citation: WANG Jian, ZHAO Ru-Song, XU Zhu-De. Oxidation of Propane over Vanadium-Phosphorus Oxides Catalyst by Lattice Oxygen and Its Circulating Fluidized Bed Process[J]. Chinese Journal of Applied Chemistry, 2000, 17(3): 313-315.
Citation: WANG Jian, ZHAO Ru-Song, XU Zhu-De. Oxidation of Propane over Vanadium-Phosphorus Oxides Catalyst by Lattice Oxygen and Its Circulating Fluidized Bed Process[J]. Chinese Journal of Applied Chemistry, 2000, 17(3): 313-315.
丙烷在钒-磷混合氧化物催化剂上晶格氧氧化及其循环流化床工艺
摘要:
近年来开发成功的循环流化床(CFB)提升管反应器丁烷选择氧化制顺酐新工艺,是以钒-磷混合氧化物(VPO)催化剂的晶格氧为氧源,烷烃氧化与催化剂再生分开进行,这不仅可以使用高浓度原料、降低循环费用,而且使选择性大幅度提高,是节约资源和保护环境的有效催化新技术,代表了小分子烷烃选择氧化的发展方向[1].
-
关键词:
- 丙烷
- / 钒-磷混合氧化物催化剂
- / 晶格氧氧化
- / 丙烯酸
- / 循环流化床
English
Oxidation of Propane over Vanadium-Phosphorus Oxides Catalyst by Lattice Oxygen and Its Circulating Fluidized Bed Process
Abstract:
The selective oxidation of propane over vanadium-phosphorus oxide(VPO) catalyst has been investigated by using chromatography in a pulse reactor. The results showed that it is the lattice oxygen that oxidizes propane to form acrylic acid and acetic acid. This mechanism was also supported by TPD and XPS data. It is concluded that the oxidation of propane takes place on the surface of the catalyst according to Mars-van Krevelen mechani sm, so that it could be implemented in a circulating fluidized bed(CFB) riser reactor. The re oxidation of VPO catslyst is found to be the rate-controlling step in the oxidation reaction.
-
-
扫一扫看文章
计量
- PDF下载量: 1
- 文章访问数: 394
- HTML全文浏览量: 14
下载:
