期刊首页 优先出版 当期阅读 过刊浏览 作者中心 关于期刊 English

2010年 第4卷 第4期

摘要

关键词

相关研究

回顶部

《化学科学与工程前沿（英文）》 >> 2010年 第4卷 第4期 doi: 10.1007/s11705-010-0524-7

Catalytic performance of Co-Mo-Ce-K/γ-Al

Key Laboratory of Coal Science and Technology of Shanxi Province and Ministry of Education, Taiyuan University of Technology, Taiyuan 030024, China

发布日期： 2010-12-05
HTML13 PDF 1 收藏 0

下一篇 上一篇

摘要

The catalytic performance of Co-Mo-Ce-K/γ-Al O catalyst for the shift reaction of CO in coke oven gas is investigated using X-ray diffraction (XRD) and temperature-programmed reduction (TPR). The results indicate that Ce and K have a synergistic effect on promoting the catalytic activity, and the Co-Mo-Ce-K/γ-Al O catalyst with 3.0 wt-% CeO and 6.0 wt-% K O exhibits the highest activity. CeO favors Co dispersion and mainly produces an electronic effect. TPR characterization results indicate that the addition of CeO -K O in the Co-Mo-Ce-K/γ-Al O catalyst decreases the reduction temperature of active components, and part of octahedrally coordinated Mo transforms into tetrahedrally coordinated Mo , which has a close relationship with the catalytic activity.

相关研究