| 查看: 396 | 回复: 10 | |||
| 当前主题已经存档。 | |||
| 当前只显示满足指定条件的回帖，点击这里查看本话题的所有回帖 | |||
dervish金虫 (正式写手)
|
[交流]
【催化进展】Snapshots of Working Catalysts
|
||
|
Snapshots of Working Catalysts Vanadium phosphates (VPOs) are used industrially to catalyze the partial oxidation of n-butane to maleic anhydride, which is then used as a starting material for products such as resins and lubricants. However, the reaction proceeds at elevated temperatures (in excess of 400°C), and VPO phases stable under those conditions will transform to other phases at ambient conditions, so an understanding of this catalyst demands that it be studied near its working conditions. Conte et al. (p. 1270) have used powder x-ray diffraction, as well as laser Raman spectroscopy and electron paramagnetic resonance spectroscopy, to determine the transformation of VPO phases as a function of temperature and with various reactants and products present over the catalyst. They conclude that the presence of the reactants rapidly converts -VOPO4 to -VOPO4, but that the initial formation of the phase may create the V5 sites associated with increased catalytic activity. 相关文章下载： http://www.box.net/public/3h5dlh7o7t [ Last edited by berlin on 2006-11-13 at 17:27 ] |
回复此楼» 猜你喜欢
淮北师范大学 化学与化工科学学院 电催化课题组还有1名硕士研究生招生名额
已经有0人回复
-
英文期刊求助
已经有3人回复
-
专业论文润色/翻译怎么收费?
已经有257人回复
-
化学相关硕士研究生招收调剂-湖北师范大学 （快来捡漏，最新调剂信息，过国家线即可）
已经有1人回复
-
河南理工大学化学化工学院招收学硕调剂生
已经有0人回复
-
黑龙江科技大学化工 环境工程调剂
已经有22人回复
-
莆田学院环境与生物工程学院资源与环境专硕（环境工程方向） 开放调剂招生
已经有13人回复
-
浙江海洋大学石油化工与环境学院招收工科调剂生（学硕、专硕均可，线上面试）
已经有0人回复
-
浙江海洋大学石油化工学院接收工科调剂（学硕、专硕均可，近期线上面试）
已经有10人回复
-
浙江海洋大学石油与天然气工程专业接收工科调剂（13日早上截止，线上面试）
已经有0人回复
-
考研调剂～湖南工程学院材料与化工学院
已经有0人回复
zmzhou
至尊木虫 (职业作家)
- 应助: 0 (幼儿园)
- 金币: 32279.5
- 红花: 1
- 帖子: 4670
- 在线: 593小时
- 虫号: 98677
- 注册: 2005-11-10
- 专业: 化学反应工程
9楼2006-09-03 18:26:42
20