以含钛高炉渣为催化载体,采用浸渍法制备了Ce4+掺杂的负载型催化剂Fe2O3-CeO2-TiO2/γ-A12O3,通过其在CWPO工艺中对模拟染料废水的处理效果来研究催化剂的催化活性,确定了催化剂的最佳制备工艺,并通过XRF、XRD、BET、SEM等手段解释了催化剂的催化机理.研究结果表明:当Ce4+掺杂量为1.2wt%、350 ℃焙烧2 h时,催化剂Fe2O3-CeO2-TiO2/γ-A12O3具有最大的催化活性,这归因于Ce4+掺杂后,催化剂中的活性组分TiO2颗粒得到细化.
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