甲烷部分氧化制合成气膜反应实验研究

Partial oxidation of methane to syngas in a membrane reactor

采用钙钛矿型管式致密透氧膜反应器 ,在Ni/Al2 O3催化剂上进行了甲烷部分氧化制合成气的实验研究 ,考察了反应操作参数 (甲烷进料浓度和反应温度 )对反应结果的影响。结果表明在 82 5～ 885℃反应温度范围内 ,当甲烷进料浓度较低 ( <6% )时 ,甲烷的转化率和CO的选择性分别大于 96%和 97% ,n(H2 ) /n(CO)的比例接近 2。

The partial oxidation of methane to synthesis gas was performed on a tubular La 0 6 Sr 0 4 Co 0 2 Fe 0 8 O 3-δ membrane reactor packed with a Ni/γ Al 2O 3 catalyst The effects of operation parameters (methane concentration in the feed and temperature) on the syngas reaction were investigated The experimental results indicate that in the range of 825-885℃,the CH 4 conversion was larger than 96% with the CO selectivity>97% at low methane concentration(<6%) in the feed and the mol ratio n (H 2)/ n (CO)≈2 in the product gas