| Ru/Al2O3催化剂对CO2加氢转化的研究 |
| 摘要点击 768 全文点击 679 投稿时间：1995-07-15 |
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| 中文关键词 CO2 催化剂 催化加氢 甲烷 |
| 英文关键词 arbon dioxide catalyst catalytically hydrogenated methane |
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| 中文摘要 |
| 给出了在Ru/Al2O3催化剂上采用不同的反应条件对CO2转化率及CH4生成率的影响。反应温度低于350℃时,CO2的转化率大于95%,CH4的生成率约为45%-79%.空速的改变对CO2的转化率及水的生成率无显着影响,即空速在5000-10000h-1内波动不大。但对CH4的生成率影响明显,在7000-9000h-1间有一波谷;CO的生成量在5000-9000h-1变化不大,在10000h-1有较大增加。富H2时,对CO2转化生成CH4有利,最佳生成率可达98%。 |
| 英文摘要 |
| In this paper the catalytically hydrogenated conversion of CO2 was studied using Ru/Al2O3 catalyst, the influence of different reaction conditions, such as reaction temperature (260-520℃, 5000-10000 h-1) and CO2/H2 ratio in inlet gas, on CO2 conversion efficiency and CH4 formation were reported. At reaction temperature higher than 350℃ the CO2 conversion efficiency was over 95%, and CH4 formation rate was about 45%-79%. There was no significant influence on CO2 conversion efficiency and H2O formation when the space velocity from 5000 h-1 to 10000 h-1. However, for the CH4 formation efficiency there was a trough at the space velocity of 7000-9000 h-1.The CO formation changed a little at space velocity of 5000-9000 h-1, but it increased a lot at 10000 h-1. The higher CH4 formation efficiency was Obtained when there existed excess of H2. The highest CH4 formation efficiency obtained was 98%. |
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