私密直播全婐app免费大渔直播,国产av成人无码免费视频,男女同房做爰全过程高潮,国产精品自产拍在线观看

相關鏈接
聯系方式
  • 通信地址:山東省青島經濟技術開發區長江西路66 號
  • 郵編:266580
  • 電話:0532-86983415
  • 傳真:
  • Email:luxq@upc.edu.cn
當前位置:> 首頁 > 論文著作 > 正文
CO tolerance of Pt3Sn(111) catalyst in ethanol decomposition.
作者:X. Q. Lu,* Z. G. Deng, S. X. Wei, Q. Zhu, W. L. Wang, W. Y. Guo, C.-M. L. Wu
關鍵字:ethanol decomposition
論文來源:期刊
具體來源:Catal. Sci. Technol.
發表時間:2015年

CO tolerance is one of the crucial factors to protect catalysts against inactivation along ethanol decomposition processes. Herein, the intrinsic essence of CO tolerance and the effect of alloying element Sn in Pt3Sn(111) are investigated by combining periodic density functional theory (DFT) and microkinetic modelling. It is found that the most competitive route to CO proceeds via CH3CH2OH [rightward arrow] CH3CH2O [rightward arrow] CH3CHO [rightward arrow] CH3CO [rightward arrow] CH2CO [rightward arrow] CH2 + CO. Beneficial from the easily-oxidated CH3CO, hard-forming but readily-desorbed CH2CO, and the less competitive C-C bond scission occurs before the C?-H, C?-H, and O-H bond scission, the formation of CO is not facile on Pt3Sn(111). The alloying element Sn plays bifunctional and ligand effect roles to effectively strengthen the O-end species adsorptions, adjusts the alloy electronic structures, weakens the Pt-CO bonds, and thus facilitating CO elimination from Pt3Sn(111)

主站蜘蛛池模板: 重庆市| 信阳市| 沂水县| 抚州市| 涞水县| 拉萨市| 兴隆县| 金溪县| 营口市| 庐江县| 西华县| 井冈山市| 桃源县| 左权县| 新野县| 民乐县| 苍梧县| 阿拉尔市| 慈利县| 盐山县| 双流县| 鹤山市| 渭南市| 九寨沟县| 若尔盖县| 石狮市| 临洮县| 扎赉特旗| 安福县| 乐昌市| 富宁县| 共和县| 托克托县| 杭州市| 嘉义市| 孝义市| 土默特左旗| 疏附县| 琼结县| 鄂托克旗| 濉溪县|