采用浸渍法制备了Fe-Al2O3和Ce-Fe-Al2O3复合材料,利用XRD和BET分析了该材料的结构和织构参数,并研究了其常压低温下催化降解高浓度难生物降解的焦化废水的性能.结果表明,适量Ce助剂的添加可明显提高该催化剂的降解性能.以20～40目的γ-Al2O3为载体,掺杂制备载10%Fe-3%Ce/γ-Al2O3的复合材料.在m(H2O2)/m(Ce-Fe-Al2O3)=0.66/1,反应温度75℃,反应体系pH值为3,搅拌速度(500±50)r/min的最佳工艺条件下,焦化废水的CODCr值的降解率高达96.3%.
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