双金属负载型催化剂对煤泥水热解制备氢气的影响

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采用分步等体积浸渍法,以γ-Al2O3为载体制备不同活性组分的双金属负载型催化剂,系统考察不同双金属活性组分对催化剂催化活性的影响。采用XRD、SEM、XPS和TPR等技术对催化剂的活性进行表征,得出:1)Ⅷ族元素同IB族元素作为活性组分制备的双金属负载型催化剂的活性明显低于Ⅷ族元素作为活性组分的单金属负载型催化剂;2)两种Ⅷ族元素制备的双金属负载型催化剂活性较单金属催化剂的活性有较大提高;3)两种IB族金属元素制成的双金属负载型催化剂活性比单一元素的单金属催化剂的活性高;4)Ⅷ族元素和ⅥB族元素组成的C
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