Mo-Ni/γ-Al2O3甲烷化催化剂MoNi4合金的生成及其作用

被引:8
作者
牛雪平
江雅新
石玉
苗茵
王晓晶
赵军
新民
机构
[1] 内蒙古大学化学系!内蒙古呼和浩特
[2] 内蒙古大学化学系!内蒙古呼和
关键词
Mo-Ni合金; 甲烷化; 抗硫性;
D O I
暂无
中图分类号
O643.36 [催化剂];
学科分类号
摘要
通过变化浸渍液的pH 值、焙烧温度及还原温度制备了几种Mo-Ni/γ-Al2O3 甲烷化催化剂,用X 射线粉末衍射(XRD)、透射电子显微镜(TEM)法对催化剂的结构和性能进行了考察,用脉冲气相色谱法测定了催化剂的CO 甲烷化活性及抗硫性.结果表明,Mo-Ni催化剂经还原处理后有MoNi4 合金生成,MoNi4 合金是主要的抗硫活性相,提高了甲烷化反应的抗硫性
引用
收藏
页码:709 / 714
页数:6
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