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钾对高硫合成气制甲硫醇磷钼基催化剂的影响

周布康 ,  王琪 ,  陈亚中 ,  崔鹏 ,  沈泽斌 ,  张庆红 ,  王野

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引用本文: 周布康, 王琪, 陈亚中, 崔鹏, 沈泽斌, 张庆红, 王野. 钾对高硫合成气制甲硫醇磷钼基催化剂的影响[J]. 应用化学, 2016, 33(9): 1079-1084. doi: 10.11944/j.issn.1000-0518.2016.09.160021 shu
Citation:  ZHOU Bukang, WANG Qi, CHEN Yazhong, CUI Peng, SHEN Zebin, ZHANG Qinghong, WANG Ye. Effect of Potassium on the Performance of MoP-based Catalysts in Methyl Mercaptan Synthesis from High H2S-Containing Syngas[J]. Chinese Journal of Applied Chemistry, 2016, 33(9): 1079-1084. doi: 10.11944/j.issn.1000-0518.2016.09.160021 shu

钾对高硫合成气制甲硫醇磷钼基催化剂的影响

  • 1.

    a 合肥工业大学化学与化工学院, 可控化学与材料化工安徽省重点实验室 合肥 230009;

  • 2.

    b 合肥工业大学材料科学与工程博士后流动站 合肥 230009;

  • 3.

    c 安徽六国化工股份有限公司博士后工作站 安徽 铜陵 244021;

  • 4.

    d 厦门大学化学化工学院, 固体表面物理化学国家重点实验室 福建 厦门 361005

    • 通讯作者: 王琪,副研究员;Tel:0551-62901452;Fax:0551-62901450;E-mail:wangqi@hfut.edu.cn;研究方向:碳一催化
  • 基金项目:

    国家自然科学基金（21106027) 

    固体表面物理化学国家重点实验室开放基金（201412）资助项目 

摘要: 采用等体积共浸渍法，制备了一批不同钾含量的KxMoP/Al2O3（x表示K与Mo摩尔比，0≤x≤3）催化剂，考察其对高硫合成气制甲硫醇性能的影响，并采用X射线衍射分析（XRD）、程序升温还原法（TPR）和激光拉曼光谱（LRS）等技术手段对催化剂进行了表征。结果表明，氧化铝负载的磷钼氧化物前驱体在850℃经H2气还原制备出了MoP/Al2O3催化剂，少量添加钾催化剂有较高的甲烷选择性，大量添加钾助剂促进了催化剂表面活泼钼硫物种的生成，使得磷化钼基催化剂有较好的甲硫醇选择性，而过量添加钾又会阻碍了甲硫醇的生成。当n（K）/n（Mo）比在2~2.5之间时，磷化钼基催化剂对该反应有较好的催化活性。

English

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  • 收稿日期:  2016-01-13
  • 网络出版日期:  2016-05-03
通讯作者: 陈斌, bchen63@163.com
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