Research progress on catalytic methane reforming process
Natural gas is abundant,and methane is the main ingredient,which is usually used through reforming to produce high-quality clean energy.However,the catalyst deactivation caused by carbon deposition and sintering in the reforming process is a key factor hindering the large-scale industrial development of this process.Based on iron-based catalysts,the research progress on the performance of methane cracking reforming catalysts was reviewed from the perspectives of catalyst active components,supports,additives and preparation methods.Based on Ni-Fe bimetallic catalysts,the research progress on the performance of methane steam reforming and carbon dioxide reforming catalysts was reviewed.The causes of catalyst deactivation and the methods to improve the performance of reforming catalysts are described.In order to promote the industrial application of the reforming process,the carbon deposition mechanism of iron-based catalysts should be deeply explored in the future,and appropriate carriers and additives should be selected to optimize the performance of iron-based catalysts.
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