引用本文:
严前古, 于军胜, 于作龙, 远松月. Ni/Al2O3催化剂上甲烷部分氧化制合成气[J]. 应用化学,
1997, 14(3): 19-23.
Citation: Yan Qiangu, Yu Junsheng, Yu Zuolong, Yuan Songyue. Catalytic Activity of Ni/α-Al2O3 for Partial Oxidation of Methane to Synthetic Gas[J]. Chinese Journal of Applied Chemistry, 1997, 14(3): 19-23.
Citation: Yan Qiangu, Yu Junsheng, Yu Zuolong, Yuan Songyue. Catalytic Activity of Ni/α-Al2O3 for Partial Oxidation of Methane to Synthetic Gas[J]. Chinese Journal of Applied Chemistry, 1997, 14(3): 19-23.
Ni/Al2O3催化剂上甲烷部分氧化制合成气
摘要:
研究了Ni/Al2O3催化剂对甲烷部分氧化制合成气的反应性能.结果表明,催化剂在其活性组份Ni为10%时反应性能最好.条件实验表明,在600~900℃范围内,甲烷转化率和CO、H2的选择性随温度升高而增加;转化率和选择性在甲烷空速≤1.5×105h-1时基本不变,空速>1.5×105h-1时,转化率和选择性有所下降.随着压力的增加(0.05~0.40MPa),转化率和选择性下降.SEM和化学分析结果证明在反应过程中,Ni组份存在烧结和流失现象.
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关键词:
- 甲烷
- / 部分氧化
- / 合成气
- / Ni/Al2O3催化剂
English
Catalytic Activity of Ni/α-Al2O3 for Partial Oxidation of Methane to Synthetic Gas
Abstract:
The catalytic activity of Ni/T-Al2O3 for partial oxidation of methane to synthesis gas has been studied. It is found that the catalyst of 10% Ni content was the best one for partial oxidation of methane under the conditions of 600~900℃ reaction temperature, 0.05 MPa pressure, a high space velocity of methane, and CH4/O2=2.0. Under the conditions used the methane conversion and the selectivity of CO and H2 were increased with increase of temperature (600~900℃) and decreased with increase of pressure(0.05 MPa~0.4 MPa) the space velocity influenced the catalyst activity. During the reaction, Ni component was found to be sintered and diminished, as confirmed by SEM observations and chemical analysis.
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Key words:
- methane
- / partial oxidation
- / synthesis gas
- / Ni/T-Al2O3 catalyst
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