• 主题
高级搜索  >
历史搜索 清空历史
首页> 外文学位 >Propylene oxidation and material studies on a novel substituted aurivillius compound: The BiMeVOx series.
【24h】

Propylene oxidation and material studies on a novel substituted aurivillius compound: The BiMeVOx series.

机译：一种新型取代的aurivillius化合物的丙烯氧化和材料研究：BiMeVOx系列。

获取原文
获取原文并翻译 | 示例
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

The oxidation of propylene over BiMeVOx catalyst has been investigated. {dollar}rm Bisb2Mosb{lcub}x{rcub}Vsb{lcub}1-x{rcub}Osb{lcub}(11+x)/2{rcub}{dollar} showed similar behaviour to {dollar}rm Bisb2MoOsb6{dollar}; substantial yields of acrolein were observed. A slight maximum (95% as compared to 88%) in acrolein selectivity is observed in the mixed Mo/V compounds when compared with x = 0 and x = 1 materials. Minor amounts of propylene oxide were seen with all catalysts, however, all of the oxide catalysts produced less than the homogeneous gas-phase reaction. The use of hydrogen peroxide as oxidant was studied over an oxide catalyst, over Ag and with an empty reactor. With the oxide catalyst, higher propylene oxide selectivities were observed with hydrogen peroxide than with molecular oxygen while the reverse observation was made with Ag and the empty reactor. It was concluded that the mixed Mo/V materials, like their parent, are incapable of activating O{dollar}sb2{dollar} as a single O atom donor.
机译：已经研究了BiMeVOx催化剂上丙烯的氧化。 {dollar} rm Bisb2Mosb {lcub} x {rcub} Vsb {lcub} 1-x {rcub} Osb {lcub}（11 + x）/ 2 {rcub} {dollar}显示的行为与{dollar} rm Bisb2MoOsb6 {dollar };观察到大量的丙烯醛产量。当与x = 0和x = 1的材料相比时，在混合的Mo / V化合物中观察到丙烯醛选择性略有最大值（与88％相比，为88％）。在所有催化剂上均发现少量的环氧丙烷，但是，所有的氧化物催化剂的产量都低于均相气相反应。在氧化物催化剂，Ag上和空反应器中研究了过氧化氢作为氧化剂的用途。用氧化物催化剂，用过氧化氢观察到的环氧丙烷选择性高于用分子氧观察到的环氧丙烷，而用Ag和空反应器观察到相反的结果。结论是，混合的Mo / V材料像它们的母体一样，不能将O {dollar} sb2 {dollar}激活为单个O原子供体。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号