[1]于华芹,石伟,徐会君,等.Co-Mn/γ-Al2O3催化剂的制备及其催化性能[J].中国给水排水,2023,39(17):113-117.
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Co-Mn/γ-Al2O3催化剂的制备及其催化性能

中国给水排水[ISSN:1000-4062/CN:12-1073/TU] 卷: 第39卷 期数: 2023年第17期 页码: 113-117 栏目: 出版日期: 2023-09-01
Title:
Preparation of Co-Mn/γ-Al2O3 Composite Catalyst and Its Catalytic Performance
作者:
于华芹1， 石伟2， 徐会君3， 蒋延梅4， 李强1， 宋伟4， 杜庆洋1
（1.山东理工大学 材料科学与工程学院，山东 淄博 255000；2.光大水务<深圳>有限公司，广东 深圳 518000；3.山东理工大学 化学化工学院，山东 淄博 255000；4.光大水务<淄博>有限公司，山东 淄博 255000）
Author(s):
YU　Hua-qin1， SHI　Wei2， XU　Hui-jun3， JIANG　Yan-mei4， LI　Qiang1， SONG　Wei4， DU　Qing-yang1
（1. School of Materials Science and Engineering， Shandong University of Technology， Zibo 255000， China； 2. Everbright Water Co. Ltd.， Shenzhen 518000， China； 3. School of Chemistry and Chemical Engineering， Shandong University of Technology， Zibo 255000， China； 4. Everbright Water Co. Ltd.， Zibo 255000， China）
关键词:
臭氧催化氧化;  催化剂;  COD去除率;  苯胺废水
Keywords:
ozone catalytic oxidation;  catalyst;  COD removal rate;  aniline wastewater
摘要:
以γ-Al2O3为载体，以氧化锰、氧化钴为活性组分，制备了Co-Mn/γ-Al2O3复合催化剂。采用XRD、SEM对催化剂进行表征，并考察了臭氧投加量、溶液初始pH、催化剂投加量等因素对苯胺废水中COD去除率的影响。结果表明，催化剂主要活性成分为MnO2与Co3O4，且均匀负载在氧化铝颗粒表面。当臭氧投加量为0.6 g/L、溶液pH为8、催化剂投加量为5 g/L时，臭氧催化氧化苯胺废水过程中，对COD的去除率达84.79%；在重复实验中， COD去除率稳定在82.15%~84.79%，可见催化剂具有良好的稳定性。
Abstract:
Co-Mn/γ-Al2O3 composite catalyst was prepared with γ-Al2O3 as support and manganese oxide and cobalt oxide as active components. The catalyst was characterized by XRD and SEM, and the effects of ozone dosage, initial pH of solution and catalyst dosage on the removal rate of COD in aniline wastewater were investigated. The main active components of the catalyst were MnO2 and Co3O4, which were uniformly loaded on the surface of alumina particles. When the dosage of ozone was 0.6 g/L, the pH of solution was 8, and the dosage of catalyst was 5 g/L, the removal rate of COD in aniline wastewater catalyzed by ozone was 84.79%. In the repeated experiments, the COD removal rate was stabilized in the range of 82.15%-84.79%, indicating that the catalyst had good stability.

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更新日期/Last Update: 2023-09-01