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Optimum reaction conditions for the COD removal of phenol aqueous solutions over Fe/γ-Al2O3 catalysts
Author(s): ZHAO Jian-jun, WU Yuan-feng, JIA Lei-feng, ZHANG Fei, FAN Chang-ming, LI Biao
Pages: 1915-
1918
Year: 2012
Issue:
11
Journal: Applied Chemical Industry
Keyword: Fe/γ-Al2O3催化剂; 苯酚废水; 催化降解;
Abstract: 利用等体积浸渍法制备了一系列Fe/γ-Al2O3催化剂.在温度为30℃时考察了催化剂中Fe含量对苯酚模拟废水COD去除率的影响,发现Fe0.01/γ-Al2O3具有较高的催化活性.研究了苯酚废水的初始pH,反应温度,是否添加H2O2以及是否通入空气时Fe0.01/γ-Al2O3催化剂的性能.结果表明,在反应初始pH为3,温度为30 ℃,加入100 μL H2O2并通入空气的条件下,反应1h后,苯酚废水COD的去除率最高,约为65%.给出了苯酚在催化剂表面的降解反应模型.
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