首页> 外文会议>International symposium on catalyst deactivation >Deactivation by Sintering of Ni/TiO_2 and Ni/TiO_2-Al_2oO_3 sol-gel Hydrogenation Catalysts
【24h】

Deactivation by Sintering of Ni/TiO_2 and Ni/TiO_2-Al_2oO_3 sol-gel Hydrogenation Catalysts

机译:通过烧结Ni / TiO_2和Ni / TiO_2-Al_2OO_3溶胶 - 凝胶氢化催化剂去激活

获取原文

摘要

The influence of the reduction temperature over deactivation behaviour on nickel-titania sol-gel catalysts is studied in this work, Reduction treatment has been carried out at low (623, K) and high (773 K) temperatures. The following phenomena were simultaneously observed after high temperature reduction (SMST condition): BET surface area loss, sintering of both Ni particles and support (increase of aatase crsytal size), and deactivation by coking under acetylene hydrogenation. When 3
机译:在该工作中研究了减少温度对镍 - 二氧化钛溶胶 - 凝胶催化剂的失活行为的影响,已经在低(623,k)和高(773k)温度下进行了还原处理。在高温降低(SMST条件)之后同时观察以下现象:BET表面积损失,Ni颗粒的烧结和载体(Aatase Crsytal大小的增加),并通过在乙炔氢化下焦化去激活。当3.

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