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首页> 外文期刊>Catalysis science & technology >Effect of nickel nanoparticle size in Ni/α-Al2O3 on CO methanation reaction for the production of synthetic natural gas
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Effect of nickel nanoparticle size in Ni/α-Al2O3 on CO methanation reaction for the production of synthetic natural gas

机译:Ni/α-Al2O3中镍纳米颗粒大小对合成天然气产生的CO甲烷化反应的影响

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摘要

A series of α-Al2O3-supported Ni catalysts with different Ni particle sizes (5-10, 10-20, and 20-35 nrn) were prepared and applied in the CO methanation reaction for the production of synthetic natural gas (SNG). The catalytic tests showed that the Ni nanoparticles influenced the catalytic performance in the CO methanation, and the catalyst with a Ni nanoparticle size of 10-20 hm showed the highest CO conversion, CH4 yield, and turnover frequency, and the lowest carbon deposition, demonstrating the possibility of improving the Ni/α-Al2O3 catalysts in the CO methanation for SNG production by controlling their Ni particle size.
机译:制备了一系列具有不同Ni颗粒尺寸(5-10、10-20和20-35 NRN)的α-AL2O3支持的Ni催化剂,并在CO甲烷化反应中施用,用于生产合成天然气(SNG)。 催化测试表明,Ni纳米颗粒会影响CO甲基化中的催化性能,并且Ni纳米颗粒大小为10-20 hm的催化剂显示出最高的CO转换,CH4的产量和离职频率,并且表现为最低的碳沉积,证明了最低的碳沉积。 通过控制其Ni粒径,可以改善CO甲基化中Ni/α-Al2O3催化剂以产生SNG的可能性。

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