乙醇水蒸汽重整制氢负载型镍基催化剂研究进展

摘要

负载型镍基催化剂是一种良好的乙醇水蒸汽重整制氢催化荆,但反应中存在氢气选择性较差和反应温度高的缺点.介绍乙醇水蒸汽重整制氢的反应机理,在此基础上,探讨通过载体改性和添加助剂提高负载型镍基催化剂的氢气选择性以及降低反应温度,并对研究进展进行综述.%Supported Ni-based catalyst is one of good catalysts for hydrogen production by ethanol steam reforming. However, there existed the disadvantages of low selectivity and high reaction temperature. The mechanisms of hydrogen production by ethanol steam reforming were introduced. The methods of enhancement of the selectivity to hydrogen over supported Ni-based catalyst and reduction of reaction temperature by modification of the supports and the addition of the promoters were discussed. The advance on hydrogen production by ethanol steam reforming was reviewed.