STUDIES ON REFORMING NATURAL GAS WITH CARBON DIOXIDE TO PREPARE SYNTHESIS GAS

被引：0

作者：

史克英 ^{[1
]}

于建强 ^{[1
]}

商永臣 ^{[1
]}

魏树权 ^{[1
]}

张妍 ^{[1
]}

徐国林 ^{[1
]}

徐恒泳 ^{[1
]}

机构：

[1] 哈尔滨师范大学化学系

来源：

Journal of Energy Chemistry | 1998年 / 02期

关键词：

Ni／α-Al2O3催化剂CH4重整; CO2; 合成气; La2O3助剂; 活性; 稳定性;

D O I：

暂无

中图分类号：

O643.36 [催化剂];

学科分类号：

081705 ;

摘要：

采用固定床流动反应器和ＸＲＤ、ＴＰＲ等技术对添加了Ｌａ２Ｏ３助剂的Ｎｉ／αＡｌ２Ｏ３催化剂进行了研究。结果表明，经Ｌａ２Ｏ３改性后，催化剂的活性和稳定性得到提高，Ｌａ２Ｏ３的最佳含量为２％（ｗｔ）。脉冲试验结果表明，添加２％（ｗｔ）的Ｌａ２Ｏ３助剂，能够有效抑制甲烷脱氢性能，增加二氧化碳消碳活性。ＴＰＲ结果表明，添加Ｌａ２Ｏ３助剂，能够改变活性组分和载体之间的相互作用，增加镍的分散度，降低氧化镍的还原温度，提高重整反应的活性。

引用

页码：48 / 55+94

页数：9

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